
专利信息
专利号:US-7339066-B1
优先权日:2006-05-31
标题 :Intermediates for the synthesis of polypropionate antibiotics
发明人:PARKER KATHLYN; CAO HUANYAN
权利人:UNIV NEW YORK STATE RES FOUND
摘要:The invention relates to intermediate compounds of the formula n nwherein R 1 is H or a protecting group, R 2 and R 3 each independently represent H, methyl, or a leaving group, provided that at least one, but not both, of R 2 and R 3 is a leaving group. The intermediate compounds are useful for the synthesis of discodermolide, its derivatives, and related compounds.
专利号:US-2006000773-A1
优先权日:2003-03-07
标题:Process for the synthesis of a chromatographic phase
发明人:GLENNON JEREMY; HEALY LIAM
权利人:GLENNON JEREMY; HEALY LIAM
摘要:A process for the synthesis, delivery or deposition or localisation of a chromatographic phase, especially for chromatographic separation or solid phase extraction, comprises introducing a chemical moiety to a support using a supercritical fluid such as supercritical carbon dioxide.
专利号:US-7576169-B2
优先权日:2003-10-23
标 题:Facile synthesis of polyhedral silsesquioxane anions and use thereof
发明人:HASEGAWA ISAO; LAINE RICHARD M; ASUNCION MICHAEL Z; TAKAMURA NORIHIRO
权利人:UNIV MICHIGAN
摘要:Polyhedral silsesquioxane anions are economically prepared by reaction of a silica source derived from combusted organic material with a quaternary ammonium hydroxide compound. Reaction of the resulting anions with chlorosilanes may be effected in near stoichiometric fashion in organic solvent containing reactive quantities of organic acids such as formic acid. The functional groups on the resulting functionalized silsesquioxanes may be substituted for other functional groups by reaction with di- or polysiloxanes in the presence of a synthetic ion exchange resin.
专利号:US-5084589-A
优先权日:1991-07-15
标题:Process for synthesis of methoxy substituted methylsilanes
发明人:LEGROW GARY E
权利人:DOW CORNING
摘要:The present invention is a process for the production of selected methoxysilanes in high yield. The process involves reacting methanol with a silazane at a temperature greater than the boiling point of product methoxysilane and less than the temperature of methanol. Under these temperature conditions rapid removal of product methoxysilanes from the reaction mixture occurs minimizing undesirable reactions which can reduce yield of the process. The described process has been found useful for the production of dimethylmethoxysilane, dimethyldimethoxysilane, and methyldimethoxysilane.
专利号:US-5789611-A
优先权日:1996-11-28
标 题 :Method for the preparation of acryloxy-functional or methacryloxy-functional organosilicon compounds
发明人:ISOYAMA KAZUHIRO; YAMAMOTO YOKICHI
权利人:DOW CORNING TORAY SILICONE
摘要:An method for the synthesis of high-purity (meth)acryloxy-functional organosilicon compounds in which the generation of reaction by-products is inhibited and gelation of the reaction product does not occur comprising an addition reaction between n (A) an acrylate ester or methacrylate ester of an aliphatically unsaturated alcohol and n (B) a SiH-functional organosilicon compound in the presence of n (C) a hydrosilylation-reaction catalyst and n (D) a special type of compound such as the zinc salt of 2-mercaptobenzothiazole or zinc dimethyldithiocarbamate.
专利号:WO-2024126692-A1
优先权日:2022-12-15
标题 :Peracid promoters in the iridium-catalyzed hydrosilylation synthesis of haloalkylorganosilanes
发明人:SCHOLZ HENRIK; KROKE EDWIN; KRAUSHAAR KONSTANTIN; GLATZER HOLGER JÜRGEN; LEWIS KENRICK MARTIN; WAGNER ROLAND
权利人:MOMENTIVE PERFORMANCE MAT GMBH
摘要:The present invention is directed at a process for producing a compound of Formula (I): (R1)y(R2O)3-ySiCH2CHR3CR4R5X comprising reacting (a) an olefinic halide; (b) an alkoxysilane; (c) a catalytically effective amount of iridium-containing catalyst; and (d) a reaction-promoting effective amount of a peroxycarboxylic acid to produce the product of Formula (I).