30 results about "Cyclopentanol" patented technology

The application discloses a furaldehyde aqueous phase rearrangement hydrogenation catalyst, a preparation method thereof and a method for preparing cyclopentanol by catalyzing furaldehyde aqueous phase rearrangement hydrogenation, the catalyst is a silica supported metal, the metal is at least one of copper, nickel, cobalt and zinc, the metal accounts for 0.25-11% of the total weight of the catalyst, the catalyst, furaldehyde and water are added into a batch type closed high-pressure reaction kettle, and cyclopentanol is prepared by catalytic selective hydrogenation under stirring, a zinc-doped copper phyllosilicate catalyst is prepared, the catalyst does not destroy the original copper phyllosilicate phase after modification, and the catalyst acidity, especially the Lewis acid site, is obviously improved; and the modified copper phyllosilicate catalyst is uniform in particles, high in specific surface area and acidity, low in price, renewable, and has a wide industrial application prospect.

The invention provides an anti-interference control method for the concentration of a main reactant in a continuous stirring reaction kettle process, belongs to the technical field of chemical process control, and solves the problem that in the chemical process of producing cyclopentanol by catalyzing electrophilic water with cyclopentadienoic acid, the concentration of the main reactant is not influenced. The technical problem that the concentration of a main reactant is difficult to track a set value without steady-state errors under the conditions of fluctuation of feeding concentration, uncertainty and external disturbance of the continuous stirring reaction kettle is solved. According to the technical scheme, the method comprises the steps of constructing a model pre-estimation compensator and an anti-interference control structure, designing a four-dimensional decision model, carrying out parameter collaborative optimization by adopting a multi-target genetic optimization algorithm, and carrying out optimal solution selection based on a TOPSIS method. Under the condition of feed concentration fluctuation, the dynamic response speed and the anti-interference capability of the system can be remarkably improved, and faster adjustment time, smaller overshoot and stronger robustness can be realized in linear and nonlinear models.

The present application includes a production process, device and method of cyclopentanol. The process includes pyrolyzing a raw material containing dicyclopentadiene to obtain a material A containing cyclopentadiene, mixing it with hydrogen and contacting it with a bimetallic catalyst to undergo a hydrogenation reaction to obtain a material B containing cyclopentene, cyclopentadiene and cyclopentane, mixing it with an acid and a solid acid catalyst to undergo a catalytic esterification reaction to obtain a material C containing fatty acid cyclopentyl ester and fatty acid cyclopentenyl ester, and mixing the material C with hydrogen and then mixing it with a copper-based hydrogenation catalyst to undergo a hydrogenation reaction to obtain a product containing cyclopentanol. The device includes a pyrolysis unit, a selective hydrogenation unit, a catalytic distillation unit and a catalytic hydrogenation unit connected in series in a pipeline; the route has low raw material cost, mild reaction conditions, simple operation, low separation energy consumption, and is suitable for continuous and stable large-scale production. Adding an inhibitor prolongs the life of the catalyst and improves the yield. The yield of cyclopentanol is more than 95% based on cyclic olefins as raw materials.

The application belongs to the technical field of fine chemical industry, and discloses a method for synthesizing cyclopentanol, which comprises the following steps: (1) taking cyclopentene and water as raw materials, adding a solubilizer, and mixing to obtain a reaction liquid; (2) continuously hydrating the reaction liquid in a fixed bed reactor filled with a cation exchange resin to obtain a reaction product; and (3) distilling and separating the reaction product to obtain cyclopentanol. The synthesis method has the advantages of simple process flow, environmental protection, low energy consumption, excellent product indexes, and long operation cycle of the catalyst. Polyethylene glycol-400 or polypropylene glycol-400 is used as a single solubilizer, and a specific macroporous strong acid cation exchange resin catalyst is used to realize the efficient and high-selectivity hydration reaction of cyclopentene.

The invention relates to the technical field of fine chemical engineering, in particular to a method for preparing cyclopentanol based on one-step synthesis of cyclopentene, which comprises the following steps: step 1) preparation of a modified strongly acidic cation exchange resin catalyst; (2) synthesizing by a one-step method; step 3) separation; and 4) purifying. In the step (2), under the inert atmosphere, the modified strong-acid cation exchange resin catalyst, cyclopentene, n-amyl alcohol and water are mixed and react; wherein the molar ratio of the cyclopentene to the water is (3-5): 1, the addition amount of the n-amyl alcohol is 1.0-2.0 times of the mass of the cyclopentene, and the n-amyl alcohol and the water form a cosolvent system. The method has the advantages that the process route is clean, efficient and pollution-free, the conversion per pass is high, the product is easy to separate, the low-temperature physical property of the product is good, the solvent and reactants in the whole reaction process can be repeatedly used, efficient and environment-friendly hydration preparation of cyclopentanol from cyclopentene can be realized, and the method has a good industrial application prospect.

The invention provides a nucleic acid protective agent and a preparation method and application thereof, the nucleic acid protective agent comprises a nucleic acid stabilizing main reagent, an RNA enzyme inhibitor and an antioxidant, the nucleic acid stabilizing main reagent comprises maltodextrin, xylitol and hydroxypropyl-beta-cyclodextrin; the RNA enzyme inhibitor comprises cyclopentanol and tetrahydrofurfuryl alcohol; the antioxidant comprises sodium thiosulfate, sodium pyrophosphate and ascorbic acid. According to the nucleic acid protective agent provided by the invention, free nucleic acid substances including DNA and RNA can be preserved for 2 weeks under the condition of 37 DEG C, preserved for 6 months under the condition of 2-8 DEG C and preserved for 15 months under the condition of-20 DEG C, and the degradation rate is less than 10%.

The invention discloses a method for preparing cyclopentanol by using furfural through a one-pot method, which comprises the following steps: by using isopropanol as a reaction solvent and Pt / H beta as a catalyst, reacting in a high-pressure reaction kettle at 180-190 DEG C in a hydrogen atmosphere of 4-4.5 MPa for 3-4 hours to prepare cyclopentanol by using furfural as a raw material through the one-pot method. The preparation process is simple, the raw materials are easy to obtain, the reaction time is short, the reaction process is environment-friendly and pollution-free, the catalytic system is relatively simple, the raw material conversion rate can reach 100%, and the highest cyclopentanol yield can reach 95.66%.

The present application relates to a pyrazole-substituted cyclopentanol ester derivative and use thereof, and in particular to a compound represented by formula (I), an isomer thereof, or a pharmaceutically acceptable salt thereof.

The invention belongs to the technical field of catalysts. The invention provides a catalyst for preparing cyclopentanone through cyclopentanol dehydrogenation and a preparation method thereof.The preparation method comprises the steps that S1, 120-126 g of potassium pyrophosphate, 10-13 g of stannous chloride, 8-10 g of copper sulfate and 2-3 g of carbon nano tube powder are added into 1 L of deionized water, the pH value is adjusted to 7-8, and an electroplating solution is obtained; s2, assembling a PS colloidal crystal template on the pretreated copper sheet to obtain a copper sheet with the PS colloidal crystal template; s3, taking a copper sheet with the PS colloidal crystal template as a cathode and a titanium mesh as an anode, performing electro-deposition in the electroplating solution, roasting at 500-550 DEG C for 3-4 hours, stripping and grinding to obtain a Sn-Cu-CNT composite material; s4, etching the Sn-Cu-CNT composite material with 10vol% acetic acid for 30-35 minutes in an ice bath at 0-5 DEG C to obtain an etched material, putting the etched material into an ammonia water-EDTA (Ethylene Diamine Tetraacetic Acid) mixed solution with the pH (Potential of Hydrogen) of 9.5, and oscillating for 10 minutes at 60 DEG C to obtain a carrier; and S5, impregnating the carrier with a nickel nitrate solution, drying, and roasting to obtain the catalyst. The method can effectively improve the conversion rate of cyclopentanol and the selectivity of cyclopentanone.

The invention provides a process for producing cyclopentanone from cyclopentene, and belongs to the technical field of cyclopentanone production.In the esterification reaction, acetic acid is used for removing metal ions to improve the activity stability of a sulfonic cation exchange resin catalyst; when the ester hydrogenation process is used, the cyclopentyl acetate is directly converted into cyclopentanol and absolute ethyl alcohol with high added value; the appropriate CuO-ZnO / Al2O3 high-activity dehydrogenation catalyst is selected, so that the reaction efficiency is obviously improved, the energy consumption is obviously reduced, the conversion per pass of the dehydrogenation reaction is 70% or above, and the selectivity of cyclopentanone is close to 100%. In short, the production method provided by the invention is high in catalyst activity, high in reaction conversion rate, short in reaction time, relatively easy in product refining and cyclopentanol recovery, obviously reduced in energy consumption and more suitable for industrial production.

The invention discloses a supported ternary transition metal catalyst as well as a preparation method and application thereof. The chemical formula of the supported ternary transition metal catalyst is Ni < x > W < 1-x > Py: D, and D is a carrier, 0 lt; x < lt >; 1. The supported ternary transition metal catalyst provided by the invention has high activity, excellent cyclopentanol selectivity and excellent stability, and shows 99.9% of activity in a cyclopentyl formate hydrogenation reaction, and the selectivity of cyclopentanol in a product can reach 96% or above. Through a long-time stability test, the catalyst shows good stability, and the service life is as long as 1200 hours. Moreover, the technical scheme provided by the invention is mild in reaction condition and high in environmental friendliness in the production process, so that the method can be widely applied to the cyclopentanol preparation process in industrial production, and has remarkable economic benefits and application prospects.

The invention belongs to the technical field of synthesis of drug intermediates, and particularly relates to a synthesis process of 6-chloro-2-hexanone. The method comprises the following steps: cooling a solvent I, 1-methylcyclopentanol and an acid-binding agent, and introducing chlorine under heat-preservation stirring to obtain a mixed solution; adding a catalyst into the mixed solution, stirring, heating, keeping the temperature for reaction, and cooling to room temperature to obtain a reaction solution; filtering the reaction liquid to remove the catalyst to obtain filtrate; and carrying out reduced pressure distillation on the filtrate to remove the solvent I, cooling to room temperature, adding water and a solvent II, stirring, layering, extracting, washing, drying, filtering, and carrying out reduced pressure distillation to obtain the 6-chloro-2-hexanone. The method is high in yield, stable in process, high in operability and suitable for industrial production, and the prepared 6-chloro-2-hexanone is high in purity.

The present application relates to a pyrazole-substituted cyclopentanol ester derivative and use thereof, and in particular to a compound represented by formula (I), an isomer thereof, or a pharmaceutically acceptable salt thereof.

The invention provides a method for preparing 3-(aminomethyl)-4-chloro-7-(2-hydroxyethoxy) benzo [c] [1, 2] oxa-boron heterocyclic pent-1 (3H)-alcohol and a preparation method of the 3-(aminomethyl)-4-chloro-7-(2-hydroxyethoxy) benzo [c] [1, 2] The method comprises the following steps: preparing ((3-chloro-7, 8-dihydro-2H-1, 6, 9-trioxa-9a-borabenzo [cd] azulen-2-yl) methyl) tert-butyl carbamate, and preparing ((3-chloro-7, 8-dihydro-2H-1, 6, 9-trioxa-9a-borabenzo [cd] azulen-2-yl) methyl And converting the compound into 3-(aminomethyl)-4-chloro-7-(2-hydroxyethoxy) benzo [c] [1, 2] oxaborine-1 (3H)-alcohol or a salt thereof.

The invention relates to the technical field of organic synthesis, in particular to a method for preparing cyclopentanone through cyclopentanol dehydrogenation, which comprises the following steps: S1, raw material catalysis: taking cyclopentanol as a raw material, taking a modified copper-silicon catalyst as a fixed bed catalytic active component, and carrying out gas-phase dehydrogenation reaction in an integrated adiabatic bed reactor; s2, laying a bed layer; s3, regulating and controlling parameters; and S4, separating the product. Therefore, through combination of the modified copper-silicon catalyst, segmented temperature control and nitrogen dilution, the conversion per pass of cyclopentanol is greater than or equal to 83.52%, the selectivity of cyclopentanone is greater than or equal to 98%, and the by-product is less than or equal to 0.5%; a closed-loop control system achieves accurate control over temperature, pressure and flow, raw material circulation and activated carbon tail gas treatment are matched, no corrosion by-product is generated, equipment modularization is easy to maintain, and the system is suitable for industrial efficient and environment-friendly production.

The invention belongs to the field of catalysts, and particularly relates to a preparation method of a Co-MOF derivative catalyst and application of the Co-MOF derivative catalyst in catalytic hydrogenation of high-concentration furfural. The method comprises the following steps: preparing a Co-MOF material from cobalt nitrate hexahydrate, terephthalic acid and N, N-dimethylformamide, calcining the Co-MOF material in a reducing atmosphere to prepare a Co-C catalyst, and applying the catalyst to hydrogenation of 8-10wt% high-concentration furfural to prepare cyclopentanone and cyclopentanol. The catalyst is simple in preparation method, has a stable shell-core structure, has relatively strong magnetism, is convenient to separate and recover, and has high catalytic activity and recycling capability. Ethanol is used as a cosolvent, the solubility of furfural in water can be increased, side reactions are reduced to a certain extent, the catalytic hydrogenation reaction of high-concentration furfural in a water phase is achieved, the total mass yield of products is high, and the industrial development potential is achieved.

The present application relates to a pyrazole-substituted cyclopentanol ester derivative and use thereof, and in particular to a compound represented by formula (I), an isomer thereof, or a pharmaceutically acceptable salt thereof.

The invention provides a method for separating cyclopentene and cyclopentane in a C5 component and a preparation method of cyclopentanone, which comprises the following steps: firstly, under the action of a solid acid catalyst, enabling the cyclopentene in the C5 component to react with acetic acid to obtain cyclopentyl acetate, and by virtue of the characteristic that the boiling point difference between ester substances and alkane is relatively large, separating cyclopentene from cyclopentane in the C5 component to obtain cyclopentyl acetate; and separating the cyclopentane from the cyclopentyl acetate to achieve the separation of the cyclopentane and the cyclopentene. Furthermore, cyclopentyl acetate obtained through separation reacts with hydrogen under the action of a hydrogenation catalyst to produce cyclopentanol, cyclopentanol is oxidized under the action of the catalyst and an oxidizing agent to produce cyclopentanone, and unreacted cyclopentanol can be recycled. Through testing, the yield of cyclopentanol is greater than or equal to 90%, the yield of cyclopentanone is greater than or equal to 90%, and the purity of cyclopentane is greater than or equal to 95%.

The invention provides a method for separating an isopropyl alcohol-ethyl acetate-isopropyl acetate-water azeotropic system through extractive distillation, and relates to the technical field of chemical separation, the used composite solvent is a mixture of 75-80% by mass of 1, 3-butanediol, 10-20% by mass of cyclopentanol and 10-20% by mass of ethylene carbonate, and the cyclopentanol and the ethylene carbonate are mixed to obtain the isopropyl alcohol-ethyl acetate-isopropyl acetate-water azeotropic system. The mass percentage content of cyclopentanol is 8%-15%, the mass percentage content of ethylene carbonate is 5%-10%, the catalyst is used for performing extractive distillation separation operation on a mixture of isopropanol, ethyl acetate, isopropyl acetate and water, the yields of isopropanol, ethyl acetate and isopropyl acetate can all reach 98% or above, and the catalyst is suitable for industrial production. The purity of the four products (including water) can reach more than 99.3% (mass percent), high-quality products can be provided for industrial production, strict requirements of various fields on the purity and yield of the organic solvents are met, the utilization rate of raw materials is greatly improved, and resource waste is reduced.

The invention relates to the technical field of cyclopentanone production, in particular to a device for preparing cyclopentanone by hydrating and dehydrogenating cyclopentene, which comprises a hydration reaction unit, a solvent recovery unit, a cyclopentanol refining unit, a catalytic dehydrogenation unit and a cyclopentanone refining unit which are connected in sequence, the cyclopentanol refining unit comprises a heavy component removal tower, a water recovery tower, a phase separation tank and a cyclopentanol refining tower; wherein the de-heavy tower is connected to the solvent recovery unit; the split-phase tank is respectively connected to the heavy component removal tower, the water recovery tower and the cyclopentanol refining tower; and the cyclopentanol refining tower is connected to the catalytic dehydrogenation unit. Carrying out addition reaction on cyclopentene to generate cyclopentanol; carrying out oxidation reaction on the cyclopentanol to generate cyclopentanone; wherein the addition reaction catalyst is strongly acidic cation exchange resin modified by quaternary ammonium salt groups. According to the invention, the defects of a device for preparing cyclopentanone by hydrating and dehydrogenating cyclopentene in the aspects of reaction efficiency, separation effect and energy consumption are effectively overcome, and the purity and industrial production value of a cyclopentanone product are greatly improved.

This invention discloses the application of volatile substances produced by a strain of *Streptomyces northernsis* NK27 in the control of plant diseases, belonging to the field of plant disease control technology. The preservation number of *Streptomyces northernsis* NK27 is CGMCC No. 28268. The volatile substances include β-pinene, 4-methoxystyrene, cyclopentanol, and p-phenylenediamine. This invention found that 4-methoxystyrene, cyclopentanol, β-pinene, and p-phenylenediamine in the volatile substances of *Streptomyces northernsis* NK27 have significant inhibitory effects on *Botrytis cinerea*. Biocontrol experiments showed that the volatile substances produced by *Streptomyces northernsis* NK27 inoculated with wheat grain culture medium can effectively control gray mold. This invention provides a safe and effective formulation for the control of gray mold in fruit and vegetable cultivation and post-harvest storage.

The present invention discloses a multi-level pore MFI molecular sieve and its preparation method and application. The multi-level pores in the molecular sieve include micropores and mesopores, and the specific surface area of ​​the molecular sieve is 500-600m 2 / g, total pore volume of 0.30~0.60cm 3 / g, micropore volume is 0.15~0.30cm 3 / g, and its preparation method includes: first, synthesizing a mesoporous precursor silicon material using a first template, then mixing a second template with an aluminum source and an alkali source, and then, under the action of water vapor, performing dry gel conversion to obtain a multi-level pore MFI molecular sieve. The MFI molecular sieve of the present invention is used in the reaction of cyclopentane hydration to produce cyclopentanol, and has the characteristics of high activity, good stability, and good selectivity.

The present invention discloses a small molecule compound and its application in the preparation of anti-pancreatitis drugs. The molecular formula of the small molecule compound is C 18 H 21 FN4O2, with a molecular weight of 344. The structural formula is shown in Formula I, specifically (E)-4-(4-fluorophenyl)-N-(((1S,2S,4R)-2-hydroxy-4-(4H-1,2,4-triazol-3-yl)cyclopentyl)methyl)but-3-enamide. The small molecule compound is obtained by acylating (1S,2S,4R)-2-(aminomethyl)-4-(4H-1,2,4-triazol-3-yl)cyclopentanol and (E)-4-(4-fluorophenyl)but-3-enoic acid. Experimental results show that the small molecule compound has strong anti-acute pancreatitis activity and is expected to be applied to the preparation of various anti-acute pancreatitis drugs. The method for preparing the small molecule compound in the present invention has a simple synthesis process, is easy to operate, has low cost, and is suitable for popularization.

The invention relates to the technical field of reactive distillation, in particular to a method and device for preparing cyclopentanone through cyclopentanol dehydrogenation, and the method for preparing cyclopentanone through cyclopentanol dehydrogenation comprises the following steps: S1, cyclopentanol is added into a reaction kettle of a distillation reactor, water is added into the reaction kettle of the distillation reactor, and the reaction kettle of the distillation reactor is heated to 60-80 DEG C; heating to generate mixed steam of cyclopentanol and water; s2, carrying out dehydrogenation reaction on the mixed steam obtained in the step S1 through a catalyst, stripping and condensing in a rectification part of a rectification reactor, and carrying out gas-liquid separation to obtain an oil-water mixed liquid phase; s3, carrying out oil-water separation on the liquid phase obtained in the step S2 to respectively obtain a water phase and an oil phase; the extracted oil phase is cyclopentanone. The method and the device for preparing cyclopentanone by dehydrogenating cyclopentanol are improved, the reaction energy consumption is reduced, the conversion rate and the reaction stability are improved, side reactions are reduced, the service life of the catalyst is ensured, and the operation error-tolerant rate is improved.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a carbon-coated cobalt catalyst, a preparation method of the carbon-coated cobalt catalyst and application of the carbon-coated cobalt catalyst to preparation of cyclopentanol through furfural water-phase hydrogenation. According to the method, Co < 2 + > and an organic ligand containing an oxygen functional group are subjected to a coordination reaction, so that hydroxyl and carboxyl are connected with Co nanoparticles to prepare an MOF precursor, and then the MOF precursor is subjected to pyrolysis to form a Co-C structure. The obtained Co-C has the characteristics of low particle size and large specific surface area, has high hydrothermal stability, is not easy to agglomerate, is used for catalyzing a furfural water phase hydrogenation reaction, can enable a main product to be cyclopentanone and improve the conversion rate of furfural by controlling the pyrolysis temperature, and can directly synthesize a cyclopentanol product with high additional value from furfural in one step. Meanwhile, the Co-C catalyst has good cycling stability in the furfural water phase hydrogenation reaction, has renewability, and has a wide industrial application prospect.

The present application relates to a pyrazole-substituted cyclopentanol ester derivative and use thereof, and in particular to a compound represented by formula (I), an isomer thereof, or a pharmaceutically acceptable salt thereof.

This disclosure provides an application of a nickel-based polyimide catalyst in catalytic transfer hydrogenation. The application includes: adding a biomass derivative substrate, an alcohol hydrogen donor, and a water mixture as solvents to a reaction vessel; and, under an inert atmosphere without external hydrogen, converting the biomass derivative substrate into corresponding cyclopentanone and / or cyclopentanol products through a catalytic transfer hydrogenation reaction. The nickel-based polyimide catalyst comprises a polyimide microsphere support and a nickel metal active component supported on the polyimide microsphere support. This disclosure constructs a composite catalytic system with polyimide microspheres as the support and nickel metal as the active component, utilizing the unique proton enrichment function of the polyimide support to achieve efficient and highly selective hydrogenation conversion of furan aldehyde substrates using an alcohol hydrogen donor as the hydrogen source under a non-hydrogen inert atmosphere.

The invention relates to a low temperature indicator mixture for indicating / monitoring a temperature transition within a temperature range of between −20° C. and −160° C., which comprises at least one dye, e.g. oil red, methyl rot, brilliant green, rhodamine B, and at least one alcohol selected from the group that comprises octane-1-ol, nonan-1-ol, propane-1,2-diol, propane-1,3-diol, butane-1,2-diol, butane-1,3-diol, butane-2-ol, pentane-1,5-diol, pentane-1-ol, cyclopentanol, benzyl alcohol, wherein the melt temperature of the mixture is within the aforementioned temperature range. Further aspects of the invention relate to devices and methods for indicating / monitoring a temperature transition within the aforementioned temperature range, in which devices and methods the aforementioned low temperature indicator mixture is used. In a specific embodiment, a device of this kind comprises at least the following components in at least one closed space: a) a partial region, which is at least partially filled with an indicator mixture as defined above; b) a second partial region, which is at least partially filled with an absorbent material, said material being optionally separated from the indicator mixture by a separating element; and c) optionally means to penetrate the separating element to bring the indicator mixture in a liquid state into contact with the absorbent material. In a method according to the invention for temperature monitoring using a device of this kind, a check is carried out to determine whether at least part of the indicator mixture was absorbed by the absorbent material, which indicates an at least temporary increase in the temperature of the device to at least the melt temperature of the indicator mixture.

The invention relates to the technical field of cyclopentanol preparation, in particular to a method and device for preparing cyclopentanol through catalytic hydration of cyclopentene, a catalyst is put into a reactor, the temperature is increased to 142-147 DEG C and is higher than the reaction temperature, the catalyst is subjected to thermal expansion, then vacuum pumping is conducted, dissolved gas adsorbed in resin and on the surface of the resin can be effectively removed, and the content of cyclopentanol in the resin can be effectively reduced. The pressure is increased to 2-2.2 MPa, the pressure is higher than the reaction pressure, and the holding time is 60-80 s, so that the structure of the catalyst is stable, and the subsequent catalytic reaction selectivity is high; according to the present invention, the reactants are mixed, pressurized and heated to the same environment as the reactor, and then are fed into the reactor, such that the stability, the safety and the vibration avoiding during the feeding process can be ensured, the reactants, the solvent and the catalyst have the same environment, the reaction can be stably performed, and the by-products are less.

The invention discloses a preparation method of cyclopentanol, which comprises the following steps: in a closed reactor, reacting a mixture containing a catalyst, a solvent, an oxidizing agent and cyclopentane to obtain cyclopentanol, the catalyst is a zirconium-silicon hierarchical pore molecular sieve catalyst. The zirconium-silicon hierarchical pore molecular sieve catalyst provided by the invention is simple to prepare and has wide pore size distribution. Meanwhile, hydrogen peroxide is used as an oxidant, and the method is low in three-waste. Therefore, cyclopentanol can be prepared by green and efficient oxidation of cyclopentane, and the catalyst has excellent selectivity.