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42 results about "1-Hexanol" patented technology

1-Hexanol is an organic alcohol with a six-carbon chain and a condensed structural formula of CH₃(CH₂)₅OH. This colorless liquid is slightly soluble in water, but miscible with diethyl ether and ethanol. Two additional straight chain isomers of 1-hexanol, 2-hexanol and 3-hexanol, exist, both of which differing by the location of the hydroxyl group. Many isomeric alcohols have the formula C₆H₁₃OH. It is used in the perfume industry.

Method for preparing multi-responsive block copolymer containing azopyridine

The invention belongs to the field of functional polymer materials and in particular relates to a method for preparing a multi-responsive block copolymer containing azopyridine. The preparation method is characterized by synthesizing azopyridine with photo-responsivity through a diazo coupling reaction and then reacting azopyridine with 6-chloro-1-hexanol and methacryloyl chloride in sequence to prepare a methacrylate monomer containing an azopyridine group; then synthesizing a methacrylic acid-N,N-(dimethylamino)ethyl monomer into a macroinitiator through atom transfer radial polymerization (ATRP) under the protection of an inert gas nitrogen or argon, wherein the block has temperature sensitivity and temperature responsivity; and finally synthesizing the macroinitiator with an azopyridine monomer to prepare the multi-responsive block copolymer containing azopyridine through ATRP. The method has the following advantages that the block copolymer simultaneously has photo-responsivity, pH sensitivity and temperature sensitivity and can be self-assembled into various aggregation morphologies such as stable nano micelle and vesicles in water, so the block copolymer is widely applied in the fields such as drug controlled release carriers, smart photo switches, photo sensors and nano devices; the synthesis method is simple and practical; the raw materials can be industrially produced; and the method has good popularization and application values.
Owner:TONGJI UNIV

Process for preparing 4-methyl caprylic acid

The invention relates to a preparation method for 4-methyl caprylic acid. The method comprises the following steps: allyl alcohol is taken as the raw material and the key intermediate 2-methyl-1-hexanol and the derivative are synthesized; diethyl malonate loses a proton under the effect of alkali and undergoes the nucleophilic substitution reaction with a series of 2-methyl-1-hexanol derivatives, thus obtaining the product 2-(2-methyl hexyl) diethyl malonate and then 4-methyl caprylic acid through saponification, decarboxylation, saponification and acidification. Compared with the prior art, the method has the advantages of available materials, small amount of catalyzer, high yield and low production cost, thus having higher industrialization value.
Owner:UNIV OF SCI & TECH BEIJING

Three-spotted plusia sex attractant composite and application thereof

InactiveCN109258639AStrong trapping activityFlexible usageBiocidePest attractantsTrappingInsect pest
The invention discloses a three-spotted plusia sex attractant composite and application thereof, and belongs to the technical field of insect sex pheromone preparation. The sex attractant composite comprises three-spotted plusia sex pheromone and synergists. Wherein the components of the sex pheromone are cis-7-dodecene acetate, cis-11-hexadecane acetate and cis-11-hexadecane aldehyde; the synergists are mainly one or more of plant volatile 2-ethyl-1-hexanol, ar-turmerone and pentanal; mass ratio of the sex pheromone to the synergists is 1:0.3-1.2. The composite has the advantages of simple preparation and convenient use, the composite can be accurately used for the insect pest monitoring, massive trapping and mating interference of the three-spotted plusia, and the composite has significant meaning on comprehensively treating the three-spotted plusia.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI

Preparation method for 6-amino-1-hexanol

The invention discloses a preparation method for 6-amino-1-hexanol. The preparation method specifically comprises the following steps: mixing nickel powder and absolute ethyl alcohol, and grinding until a solvent is completely evaporated, dispersing in deionized water, adding sodium ethylene diamine tetracetate, uniformly stirring and dispersing, and preparing dispersion liquid; enabling cerous nitrate to be dissolved in the deionized water, uniformly stirring and mixing to prepare cerous nitrate solution, and dropwise adding the cerous nitrate solution and sodium hydroxide solution to the dispersion liquid simultaneously, stirring and reacting, filtering after ending a reaction, and drying a precipitate, to obtain a catalyst precursor; enabling the catalyst precursor to be placed in a muffle furnace and treating for 1-2 h in 800-950 DEG C, after ending treatment, cooling to a room temperature along with the furnace, grinding, and preparing a cerium-containing nickel catalyst; and using 1,6-hexanediol as a raw material, feeding an ammonia gas and a hydrogen gas, reacting for 1-2 h under catalysis of the prepared cerium-containing nickel catalyst, and preparing the 6-amino-1-hexanol. The method is simple in operation, and a product yield reaches 93.5% or more.
Owner:SUZHOU GAIDE FINE MATERIALS CO LTD

A kind of ortho-phthalaldehyde derivative phosphoramidite monomer, its synthesis method and the method for dna rapid coupling protein

The invention relates to an o-phthaldehyde derivative phosphoramidite monomer, a synthesizing method and a method for quick coupling of DNA (deoxyribonucleic acid) and protein, and relates to quick coupling of DNA and protein. A molecular formula of the o-phthaldehyde derivative phosphoramidite monomer is C28H46N3O6P. The synthesizing method comprises the following steps of firstly, enabling o-phthaldehyde carboxylic acid derivative (OPA-COOH) and 6-amino-1-hexanol to react, so as to prepare the o-phthaldehyde hydroxyl derivative (OPA-OH); then, under the conditions of nitrogen protection, a dichloromethane solvent and N,N-diisopropylethylamine, reacting with 2-cyanoethyl-N,N-diisopropylchlorophosphoramidite for 2h at room temperature; separating by silica gel column chromatography, so as to obtain the o-phthaldehyde derivative phosphoramidite monomer. The reaction characteristic of adjacent aldehyde groups of the o-phthaldehyde derivative and the amino groups on the protein lysine residue groups quickly and efficiently generating phthalimidine is utilized, so that the purpose of quick coupling of OPA-DNA and natural protein is realized. Compared with other coupling methods, the method has the advantages that the selectivity is realized, the operation is quick, and the efficiency is high.
Owner:XIAMEN UNIV
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