发明名称 |
Sulfonated phosphines, processes for their preparation, and use thereof as constituents of catalyst systems |
摘要 |
Sulfonated phosphines of the formula <IMAGE> in which R is cyclohexyl or alkyl having 1 to 4 carbon atoms, M is hydrogen, alkyl substituted ammonium, aryl substituted-ammonium, monovalent metal, or the chemical equivalent of a polyvalent metal, x is 1, 2, or 3 and n is 0 or 1. These compounds are obtained by sulfonation of the non-sulfonated parent substances with oleum or an anhydrous mixture of sulfuric acid and orthoboric acid.
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申请公布号 |
US5663426(A) |
申请公布日期 |
1997.09.02 |
申请号 |
US19950538190 |
申请日期 |
1995.10.02 |
申请人 |
HOECHST AKTIENGESCHAFT |
发明人 |
ALBANESE, GUIDO;MANETSBERGER, RAINER;HERRMANN, WOLFGANG A. |
分类号 |
C07F9/50;(IPC1-7):C07C309/30;C07C309/32;C07C309/29 |
主分类号 |
C07F9/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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