CAS: 488-81-3; (2R,3S,4S)-Pentane-1,2,3,4,5-Pentaol

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专利信息

专利号:US-5939304-A
优先权日:1997-06-05
标题:Method for synthesis of anhydrothrombin
发明人：SUZUKI TOYOAKI; HOSOKAWA KAZUYA; NAGATA MASANORI
权利人:FUJIMORI KOGYO CO
摘要:A method for a synthesis of anhydrothrombin is provided which features a short process, an easy procedure, and high yields. n The method comprises n (A) a step of causing an active serine residue site of thrombin to react with an inhibitor, n (B) a step of performing an alkali treatment at a pH of not less than 11, and n (C) a step of performing an operation of recovery, and carries out these steps sequentially in the order mentioned, and is characterized by causing at least the step of performing the operation of recovery to proceed in the presence of at least one compound selected from the group consisting of polyhydric alcohols and saccharides, and a salt or an amphoteric electrolyte.

专利号:US-7491520-B2
优先权日:2004-01-19
标题 :Biochemical synthesis of 6-amino caproic acid
发明人：RAEMAKERS-FRANKEN PETRONELLA C; NOSSIN PETRUS M M; BRANDTS PAUL M; WUBBOLTS MARCEL G; PEETERS WIJNAND P H; ERNSTE SANDRA; WILDEMAN DE STEFAAN M A; SCHUERMANN MARTIN
权利人:DSM IP ASSETS BV
摘要:The invention relates to biochemical synthesis of 6-amino caproic acid from 6-aminohex-2-enoic acid compound or from 6-amino-2-hydroxyhexanoic acid, by treatment with an enzyme having α,β-enoate reductase activity towards molecules containing an α,β-enoate group and a primary amino group. The invention also relates to processes for obtaining suitable genetically engineered cells for being used in such biotransformation process, and to precursor fermentation of 6-amino caproic acid from intermediates leading to 6-amino caproic acid. Finally, the invention relates to certain novel biochemically produced compounds, namely 6-aminohex-2-enoic acid, 6-aminohexanoic acid, as well as to caprolactam produced therefrom and to nylon-6 and other derivatives produced from such biochemically produced compounds or caprolactam.

专利号:US-8105809-B2
优先权日:2008-07-03
标题 :Enzymatic synthesis of acetoacetate esters and derivatives
发明人：HENDERSON SAMUEL T
权利人:HENDERSON SAMUEL T; ACCERA INC
摘要:In one embodiment, the present invention includes a method for the synthesis of an ester derivative of acetoacetate. The method includes providing a first ester of acetoacetate and providing an alcohol. The method further includes combining the first ester of acetoacetate and the alcohol in the presence of an enzyme capable of transesterification in a non-aqueous solvent to form the ester derivative of acetoacetate. The method results in the formation of the ester derivative of acetoacetate, which, in one embodiment, is monoacetoacetin.

专利号:US-2025236876-A1
优先权日:2024-01-22
标题:Engineered yeast for efficient and rapid synthesis of erythritol and construction method thereof
发明人：CHENG HAIRONG; XU SHUO
权利人:UNIV SHANGHAI JIAOTONG
摘要:Disclosed are an engineered yeast for efficient and rapid synthesis of erythritol and a construction method thereof. Yarrowia lipolytica is used as a synthetic chassis for genetic improvement. A method for synthesizing erythritol is as follows: using glucose as a carbon source, and a nitrogen source and an inorganic salt as raw materials, sterilizing a medium, cooling the sterilized medium before inoculating yeast Yarrowia lipolytica , performing continuous fermentation or fed-batch fermentation under the condition of oxygen supply, and purifying erythritol from a fermentation broth. Under the condition of continuous feeding, the yield of erythritol is more than 350 g/L, and the production efficiency is more than 4.5 g/L·h, nearly 100% higher than that of a comparative strain.

专利号:US-2015057366-A1
优先权日:2012-03-05
标题 :Synthesis of elemicin and topical analgesic compositions
发明人：LA GRANGE MARTIN JAMES
权利人:LA GRANGE MARTIN JAMES
摘要:The present invention is directed to the synthesis of elemicin and its isomeric form, and their use in topical analgesic formulations, including for dental and veterinary use. Various compositions include gels, films, dressings, cavity filling gels, having analgesic and/or antifungal properties.

专利号:US-11059835-B2
优先权日:2014-08-15
标 题 :Synthesis of cephalosporin compounds
发明人：WALLER DAVID; GAZDA GREGORY; MINDEN ZACHARY; BARTON LISA; LEIGH CLIFTON
权利人:MERCK SHARP & DOHME
摘要:Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising a palladium-catalyzed coupling reaction.