39 results about "Amiodarone Hydrochloride" patented technology

The invention belongs to the field of medicine, and especially relates to an amiodarone hydrochloride preparation method. The method takes 2-hydroxybenzaldehyde and 2-alkyl halohexoic acid ester as the raw materials to prepare 2-butylbenzofuran, 2-butylbenzofuran is taken as the raw material, and is subjected to the steps of friedel-crafts acylation, demethylation, iodination, etherification and salt forming to obtain the amiodarone hydrochloride. By employing the method, the raw materials have the advantages of low cost and easy acquisition, the process is simple, and 2-butylbenzofuran and amiodarone hydrochloride with high purity and high yield can be obtained, the cost is low, the waste water is little, and the method is suitable for industrial production.

The invention provides a synthetic method of an antiarrhythmic medicament amiodarone hydrochloride described in the specification, and belongs to the field of medicament synthesis. The synthetic method comprises the following steps: using salicylaldehyde as a starting material to react with 2-halogenated hydrocarbyl hexanoate, p-methoxybenzoyl chloride, iodine and 2-diethylaminoethyl chloride hydrochloride in sequence in the presence of a catalyst to gradually obtain 2-butylbenzofuran, 2-butyl-3-(4-hydroxyl benzoyl) benzofuran, 2-butyl-3-(3,5-diiodine-4-hydroxyl benzoyl) benzofuran and (2-butyl-3-benzofuryl)[4-[2-(diethylamino) ethyoxyl]3,5-diiodine pehyl] ketone hydrochloride, namely amiodarone hydrochloride. The synthetic method disclosed by the invention is simple in process, convenient to operate, good in safety performance and high in yield.

The invention discloses an analysis method for related substances in amiodarone hydrochloride bulk drugs, and relates to the technical field of chemical drug analysis methods. High performance liquid chromatograph is used carry out analysis according to chromatogram conditions A and B respectively and then in a combined way; the chromatogram conditions A and B include a chromatographic column of Welch Ultimate AQ-C18, a mobile phase A in which the proportion of an acetic acid-ammonium acetate buffer solution to a methanol and acetonitrile mixed solution is 49-51vt% to 51-49vt%, a mobile phase B in which the ratio of methanol to acetonitrile is 30vt% to 40vt%, and the detection wavelength for gradient wash out is 240+/-2nm; the ratio of methanol to acetonitrile in the methanol and acetonitrile mixed solution is 30vt% to 40vt%; the pH value of the acetic acid-ammonium acetate buffer solution in the chromatogram condition A is 5.95-6.05; and the pH value of the acetic acid-ammonium acetate buffer solution in the chromatogram condition B is 4.85-4.95. Thus, more impurities can be detected, and related substances in amiodarone hydrochloride can monitored rapidly, effectively and accurately.

The invention provides a preparation method of amiodarone hydrochloride, and relates to the technical field of drug synthesis. According to the invention, methyl p-hydroxybenzoate is used as a main raw material to carry out a substitution reaction, an etherification reaction, a hydrolysis reaction, a chlorination reaction, a Friedel-Crafts reaction, an amination reaction and acidification in sequence to obtain the amiodarone hydrochloride. According to the preparation method provided by the invention, a process of removing methoxy groups under the action of anhydrous aluminum trichloride is not needed, and then the use of anhydrous aluminum trichloride in one step is reduced, so that environmental pollution is greatly reduced; and meanwhile, when acylating chlorination is carried out on carboxyl of 3,5-diiodo-4-(2-hydroxyethoxy)-benzoic acid by using thionyl chloride, hydroxyl at the end position is chlorinated, and the synthetic route is shortened. The preparation method provided by the invention is simple in process, low in cost, small in pollution and high in yield.

The present invention relates to an amiodarone hydrochloride dispersing tablet and its preparation method. The described amiodarone hydrochloride dispersing tablet contains 5-30% of amiodarone hydrochloride, the rest is auxiliary material. The described auxiliary material can be excipient, disintegrating agent, surfactant, adhesive, corrective and lubricating agent. Its preparation method adopts conventional tableting process.

The invention provides a method for preparing an amiodarone hydrochloride injection. The method comprises the following steps: a weighing step: weighing polysorbate, amiodarone hydrochloride, benzyl alcohol and water for injection according to a prescription dosage; a liquid preparation step: controlling a part of the water for injection at a temperature within a range of 60-75 DEG C while introducing nitrogen, adding polysorbate to obtain a polysorbate solution, adding amiodarone hydrochloride into the polysorbate solution to obtain an amiodarone hydrochloride solution, then cooling the amiodarone hydrochloride solution to room temperature, adding benzyl alcohol, and supplementing the rest of the water for injection to obtain a liquid medicine; a filtering step: sterilizing and filteringthe liquid medicine; and a filling and sealing step: filling and sealing the filtered liquid medicine into a container while filling nitrogen, wherein the method does not adopt a sterilization step. According to the method, the amiodarone hydrochloride injection with low impurity content can be prepared with high production efficiency.

The invention relates to preparation of an adsorbing material and application of the adsorbing material to separation and enrichment of medicaments. The invention relates to an amiodarone hydrochloride molecular imprinting polymer, and preparation and application of an amiodarone hydrochloride molecular imprinting solid-phase extraction column. In the molecular imprinting polymer, amiodarone serves as a template; 4-vinyl pyridine is a functional monomer; ethylene glycol dimethacrylate is a crosslinking agent; and chloroform is a porogenic agent. The molecular imprinting polymer is synthesized by a bulk polymerization method; and molecular imprinting polymer particles are filled in the solid-phase extraction column uniformly so as to obtain the amiodarone hydrochloride molecular imprinting solid-phase extraction column. Amiodarone hydrochloride in biological samples is separated, enriched and purified efficiently. Compared with relative techniques such as the past common solvent extraction method, a C18 solid-phase extraction method and the like, the invention has the advantages that: selectivity is high; and the amiodarone hydrochloride molecular imprinting solid-phase extraction column can be reused, has low cost and is expected to become a necessary method for pretreatment of the amiodarone hydrochloride in the biological samples.

The invention belongs to the field of medicines, and particularly relates to an amiodarone hydrochloride nanosuspension as well as a preparation method and application thereof. The amiodarone hydrochloride nanosuspension provided by the invention mainly contains amiodarone hydrochloride and a stabilizer, and the amiodarone hydrochloride nanosuspension is prepared from the following components in parts by weight: 1 to 10 parts of amiodarone hydrochloride and 1 to 10 parts of a stabilizer. The nanosuspension with the particle size ranging from 150 nm to 800 nm is provided through two means, and the method comprises the steps that the nanosuspension is ground through a wet method, and the nanosuspension serves as an intermediate product and is further prepared into an oral preparation or an injection preparation for application. The preparation method comprises the following steps: A, dissolving the stabilizer in water, and dispersing the SKLB610 in the solution to prepare a common suspension; and B, adding a common suspension, and carrying out wet grinding to prepare the nano-suspension. Or an anti-solvent is adopted to precipitate the nano-suspension, and the nano-suspension is used as an intermediate product to be further prepared into an oral preparation or an injection preparation for application. The particle size of the nanosuspension can be effectively and intensively controlled to be 150-800 nm, the product uniformity is high, and the particle size is small.

The invention relates to an amiodarone hydrochloride injection and a preparation method thereof. Per ml of the amiodarone hydrochloride injection contains 1mg-2mg of amiodarone hydrochloride, and 5-15mg of polyamide-amine dendrimers. A pH adjustment value adjusts the pH value to 3.5-4, and an osmotic pressure adjustment agent adjusts the osmotic pressure to isotonic.

The invention discloses a medicine composition of amiodarone hydrochloride and application thereof in biological medicine.The medicine composition of amiodarone hydrochloride contains amiodarone hydrochloride and a natural product compound (I) which is separated from dry rhizomes of acorus gramineus and is novel in structure, and amiodarone hydrochloride and the compound (I) act separately, so that a treatment effect on cough is achieved; amiodarone hydrochloride and the compound (I) act together, the treatment effect on cough is better, and the medicine composition can be developed into medicine for treating the cough, has prominent substantive features and makes a remarkable progress compared with the prior art.

The invention discloses an anti-arrhythmic drug fat emulsion injection and a preparation method thereof. The anti-arrhythmic drug fat emulsion injection is an amiodarone hydrochloride fat emulsion injection which contains amiodarone hydrochloride and a medicinal excipient acceptable pharmaceutically, wherein the medicinal excipient is prepared from an oil phase, an emulsifier, an osmotic pressure regulator, a stabilizing agent, a pH regulator and water for injection. The anti-arrhythmic drug fat emulsion injection is stable in quality and non-irritant to blood vessels, and the security and compliance of clinical drug application are improved.

The invention provides a preparation method of an amiodarone hydrochloride key intermediate, in particular to a preparation method of 2-butylbenzofuran, which is prepared by cyclization reaction of 2-(2-formylphenoxy) hexanoic acid, acetic anhydride and potassium carbonate. The provided preparation method has the advantages of simple reaction operation, no need of rectification and other operations, less discharge of three wastes, greenness, environmental protection and sustainability, the purity of the prepared 2-butylbenzofuran is more than 98%, the yield is more than 88%, compared with the prior art, the purity and yield are obviously improved, and the preparation method is more suitable for industrialization.

The invention discloses a method for detecting iodide impurities in amiodarone hydrochloride, which adopts high performance liquid chromatography. Octadecylsilane chemically bonded silica is taken asa chromatographic column filler, an ultraviolet detector is adopted and a phosphate buffer solution containing 3.5-5.5 PH is taken as a mobile phase, and isogradient elution is carried out. By adopting the novel method for detecting iodide impurities in amiodarone hydrochloride by high performance liquid chromatography, a main drug and related substances can be separated, meanwhile, the interference of various auxiliary materials is reduced, the detection time is saved, the sensitivity of a detection result is improved, and the detection efficiency is improved. According to the method providedby the invention, iodide can be accurately detected, the quality of the amiodarone hydrochloride injection is guaranteed, and the safety of the product is improved.

The invention discloses a medicinal composition for treating breast cancer and application of the medicinal composition. The medicinal composition comprises active components such as amiodarone hydrochloride and docetaxel, preferably the active components amiodarone hydrochloride and docetaxel are in a weight ratio of 1:(0.1-1). According to the medicinal composition for treating breast cancer, the purpose of treating breast cancer can be achieved by inhibiting tumor angiogenesis, the active components can take the synergic tumor inhibition effect into play, and a small toxic and side effect can be caused.

The invention discloses a preparation method of an amiodarone hydrochloride key intermediate. The method comprises the following steps: reacting benzofuranone with p-methoxybenzoyl chloride and valeryl chloride, and heating and reacting the product under an acidic condition to obtain the amiodarone hydrochloride key intermediate. According to the method, the key intermediate of amiodarone hydrochloride is prepared through a two-step simple reaction, the reaction condition is mild, byproducts are few, and aftertreatment is easy; due to the fact that aluminum trichloride is not used, no solid waste is generated; and the method has the advantages of simple route operation, high yield and lower cost than the existing route, and is very suitable for industrial production.