发明授权
US5153345A Process for the preparation of alkyl methyl-3-carbalkoxyethylphosphinates
失效
制备甲基-3-羧酸羟基乙酸磷酸酯的方法
- 专利标题： Process for the preparation of alkyl methyl-3-carbalkoxyethylphosphinates
- 专利标题（中）： 制备甲基-3-羧酸羟基乙酸磷酸酯的方法
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申请号： US599662申请日： 1990-10-18
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公开(公告)号： US5153345A公开(公告)日： 1992-10-06
- 发明人: Harald Knorr , Hilmar Mildenberger , Hans J. Nestler
- 申请人： Harald Knorr , Hilmar Mildenberger , Hans J. Nestler
- 申请人地址： DEX Frankfurt am Main
- 专利权人： Hoechst Aktiengesellschaft
- 当前专利权人： Hoechst Aktiengesellschaft
- 当前专利权人地址： DEX Frankfurt am Main
- 优先权： DEX3934916 19891020
- 主分类号： C07F9/32
- IPC分类号： C07F9/32
摘要：
Process for the preparation of compounds of the formula ##STR1## where R is (C.sub.1 -C.sub.4)alkyl, which comprises reacting a compound of the formula II ##STR2## with an alcoholate of the formula IIIMet-OR (III)where Met is Na or K and R has the abovementioned meaning, at temperature from -30.degree. C. to +10.degree. C.
公开/授权文献
- US5657533A Electronic parts mounting device 公开/授权日：1997-08-19
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