专利号:US-5872245-A 优先权日:1992-09-30 标题 :Continuous process for the synthesis of sucrose fatty acid esters 发明人:WILSON DONALD C 权利人:OPTIMA TECHNOLOGIES GROUP 摘要:This present invention pertains to a process for the synthesis of sucrose fatty acid esters by reacting sucrose and a purified specific fatty acid ester under substantially solvent free conditions in the presence of a transesterification stationary catalyst and mechanical emulsification. The process is continuous, yielding selected individual products of separated simple sucrose fatty acid esters of mono-, di-, tri- and polyesters while recycling the unwanted ester fractions, the unreacted sucrose and fatty acid ester.
专利号:WO-9507882-A1 优先权日:1993-09-14 标 题:Synthesis of amido acids from carboxylic acid esters and amino acid salts 发明人:HEINZMAN STEPHEN WAYNE; DUPONT JEFFREY SCOTT 权利人:PROCTER & GAMBLE 摘要:Chemical synthesis of amido acids, and their conversion to amido acid phenyl ester sulfonates for use as bleach activators, starting from carboxylic acid esters and amino acid salts.
专利号:US-4045422-A 优先权日:1974-04-15 标题 :Synthesis of α-nitrosoketal dimers 发明人:ROGIC MILORAD M; SWERDLOFF MICHAEL D; DEMMIN TIMOTHY R 权利人:ALLIED CHEM 摘要:Ketals of α-oximinoketones and methods for the preparation of these compounds including intermediates are described. The compounds disclosed include both α-oximinoketals and cyclic ketals of α-oximinoketones. Also disclosed is a class of α-nitrosoketal dimers produced during the synthesis of the corresponding α-oximinoketals and the method for their preparation.
专利号:US-4818816-A 优先权日:1981-04-28 标 题:Process for the organic synthesis of oligosaccharides and derivatives thereof 发明人:PETITOU MAURICE; JACQUINET JEAN-CLAUDE; SINAY PIERRE; CHOAY JEAN; LORMEAU JEAN-CLAUDE; NASSR MAHMOUD 权利人:CHOAY SA 摘要:The invention relates to a process for the organic synthesis of oligosaccharides constituting or comprising fragments of acid mucopolysaccharides comprising the reaction of two compounds constituted or terminated by units of glucosamine structure and of uronic acid structure respectively, said units being specifically substituted. This process particularly enables valuable anticoagulant drugs to be obtained.
专利号:WO-2025056767-A1 优先权日:2023-09-15 标题 :Process for the preparation of enantiomerically enriched aliphatic amines 发明人:BOU HAMDAN FARHAN; GODINEAU EDOUARD; SMEJKAL TOMAS; DUMEUNIER RAPHAEL; BOUSSEMGHOUNE MOHAMED ABDELOUAHAB; BLUM MATHIAS 权利人:SYNGENTA CROP PROTECTION AG 摘要:The present invention relates to a process for the preparation of enantiomerically enriched cyclobutylamines of formula (I) from α-tertiary cyclobutanones and reacting said enantiomerically enriched cyclobutylamines to enantiomerically enriched cyclobutylamides. Such compounds are useful intermediates in the synthesis of microbiocidal thiazole compounds.
专利号:US-5663342-A 优先权日:1994-03-08 标 题 :2-chloro and 2-bromo derivatives of 1,5-iminosugars 发明人:BARTA THOMAS E; MUELLER RICHARD A 权利人:SEARLE & CO 摘要:Novel 2-chloro and 2-bromo derivatives of 1,5-iminosugars are disclosed, especially such derivatives of 1,5-dideoxy-1,5-imino-D-glucitol. These compounds are useful inhibitors of glucosidase enzymes and also are useful as antiviral agents and as intermediates for the synthesis of other enzyme inhibitors and antiviral compounds.
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合成参考文献
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