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1. 发明授权

US06255534B1 Preparation of carbonyl compounds 失效
标题翻译：羰基化合物的制备
公开(公告)号：US06255534B1
公开(公告)日：2001-07-03
申请号：US09240851
申请日：1999-02-01
申请人： Dirk Demuth , Thomas Fetzer , Volker Pratsch , Thomas Wendrich , Helmuth Menig , Ludwig Wambach , Klaus Harth
发明人： Dirk Demuth , Thomas Fetzer , Volker Pratsch , Thomas Wendrich , Helmuth Menig , Ludwig Wambach , Klaus Harth
IPC分类号： C07C4529
CPC分类号： C07C45/39 , C07C45/38 , C07C47/04 , C07C47/127
摘要： Carbonyl compounds of the formula where R1 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms, R2 is a hydrogen atom, an unsubstituted or C1-C3-alkyl-monosubstituted to -trisubstituted C2-C4-alkenyl radical or a radical of the formula where R3 is a hydrogen atom or together with R4 is an oxygen atom, R4 is the radical OR6 or together with R3 is an oxygen atom, R5 is a hydrogen atom, an alkyl radical having from 1 to 8 carbon atoms, an unsubstituted or C1-C3-alkyl-monosubstituted to -trisubstituted C2-C4-alkenyl radical or a cyclohexyl or cyclopentyl radical and R6 is an alkyl radical having from 1 to 4 carbon atoms, a cyclohexyl or cyclopentyl radical or a radical of the formula —CH2—CHO or —CH2—CH2—O—CH2—CHO, are prepared by gas-phase oxidation of methanol or alcohols of the formula where R1 and R5 are as defined above, by means of an oxygen-containing gas in the presence of copper- and/or silver-containing catalysts, the catalyst system used comprising at least one phosphorus-containing copper- and/or silver-containing catalyst.
摘要翻译：式R 1的羰基化合物是氢原子或具有1至3个碳原子的烷基，R 2是氢原子，未取代的或C 1 -C 3烷基单取代的至三取代的C 2 -C 4 - 烯基或基团其中R 3是氢原子或与R 4一起是氧原子，R 4是基团OR 6或与R 3一起是氧原子，R 5是氢原子，具有1至8个碳原子的烷基，未取代的或C 1 -C 3烷基单取代至三取代的C 2 -C 4 - 烯基或环己基或环戊基，R 6是具有1至4个碳原子的烷基，环己基或环戊基或式-CH 2 -CHO或-CH2-CH2-O-CH2-CHO，通过在含铜的气体存在下，通过含氧气体，通过气相氧化甲醇或式（I）的化合物，其中R 1和R 5如上定义，和/或含银催化剂，所用的催化剂体系包含至少一个p 含胡磷铜和/或含银催化剂。

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