发明授权
US4652669A 2-(1-hydroxycarbalkoxymethyl)-acrylonitriles and
2-(1-hydroxycarbalkoxymethyl)-acrylates and their preparation
失效
2-(1-羟基烷氧基甲基) - 丙烯腈和2-(1-羟基烷氧基甲基) - 丙烯酸酯及其制备方法
- 专利标题: 2-(1-hydroxycarbalkoxymethyl)-acrylonitriles and 2-(1-hydroxycarbalkoxymethyl)-acrylates and their preparation
- 专利标题(中): 2-(1-羟基烷氧基甲基) - 丙烯腈和2-(1-羟基烷氧基甲基) - 丙烯酸酯及其制备方法
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申请号: US804121申请日: 1985-12-03
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公开(公告)号: US4652669A公开(公告)日: 1987-03-24
- 发明人: Rolf Fikentscher , Erwin Hahn , Alexander Kud , Alfred Oftring
- 申请人: Rolf Fikentscher , Erwin Hahn , Alexander Kud , Alfred Oftring
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX3444097 19841204
- 主分类号: C08F20/00
- IPC分类号: C08F20/00 ; C07C67/00 ; C07C67/343 ; C07C69/732 ; C07C253/00 ; C07C255/23 ; C08F20/10 ; C08F20/42 ; C08F20/52 ; C08F220/00 ; C07C121/30
摘要:
2-(1-Hydroxycarbalkoxymethyl)-acrylonitriles and 2-(1-hydroxycarbalkoxymethyl)-acrylates are prepared by a process in which an acrylonitrile or an acrylate is reacted with a glyoxylate in an aqueous medium at a pH greater than or equal to 6, in the presence of a tertiary amine as a catalyst.