Process for the preparation of nickel ylides containing sulfonated group V ligands
申请人:GULF RESEARCH & DEVELOPMENT COMPANY
公开号:EP0046330A2
公开(公告)日:1982-02-24
A process is provided for preparing nickel ylides wich are themselves novel compounds defined by the following Formula I:
wherein R,, R2, R3, R4, R5, R6, R7 and R8 are either alike or different members selected from the group consisting of hydrogen, alkyl radicals having from about one to about 24 carbon atoms, preferably from about one to about 10 carbon atoms; aryl radicals having from about six to about 20 carbon atoms, preferably from about six to about 10 carbon atoms; alkenyl radicals having from about two to about 30 carbon atoms, preferably from about two to about 20 carbon atoms; cycloalkyl radicals having from about three to about 40 carbon atoms, preferably from about three to about 30 carbon atoms; aralkyl and alkaryl radicals having from about six to about 40 carbon atoms, preferably from about six to about 30 carbon atoms; a halogen radical selected from the group consisting of fluorine, chlorine, bromine and iodine, preferably chlorine; a hydroxyl group; an alkoxy or aryloxy group; a hydrocarbyl group, such as defined above, carrying halogen, hydroxyl or alkoxy or aryloxy; and a sulfonato group (-SO3-) or an alkyl, aryl, alkenyl, cycloalkyl, aralkyl or alkaryl group carrying a sulfonato group; provided that at least one sulfonato group is located in R4, Rs and R. and at least one of R4, Rs and R6 is aryl; M is sulfur or oxygen, preferably oxygen; E is phosphorus, arsenic, antimony or nitrogen, preferably phosphorus; and F is phosphorus, arsenic or antimony, preferably phosphorus. The process comprises sulfonating a ligand defined by the following formula:
and then reacting the resulting sulfonated ligand with (1) a zero valent nickel compound and (2) a ylide defined by the following formula:
wherein R1, R2, R3, R4, R5, R6, R7, R8, E, F and M are as defined above, provided that at least one of R4, R5 and R6 is an aryl group.
本发明提供了一种制备
镍酰化物的工艺,
镍酰化物本身是由下式 I 定义的新型化合物:
其中 R、R2、R3、R4、R5、R6、R7 和 R8 要么是相同的成员,要么是不同的成员,它们选自由氢、具有约 1 至约 24 个碳原子,最好是约 1 至约 10 个碳原子的烷基;具有约 6 至约 20 个碳原子,最好是约 6 至约 10 个碳原子的芳基;具有约 2 至约 30 个碳原子,最好是约 2 至约 20 个碳原子的烯基;具有约 3 至约 40 个碳原子,最好是约 3 至约 30 个碳原子的环烷基;具有约 6 至约 40 个碳原子(最好是约 6 至约 30 个碳原子)的芳基和烷芳基; 选自
氟、
氯、
溴和
碘(最好是
氯)组成的组的卤素基;羟基;烷氧基或芳氧基;烃基,如上文定义的烃基,带有卤素、羟基或烷氧基或芳氧基;以及
磺酸基(-SO3-)或带有
磺酸基的烷基、芳基、烯基、环烷基、芳基或烷芳基;条件是至少一个
磺酸基位于 R4、Rs 和 R.M是
硫或氧,最好是氧;E是
磷、
砷、
锑或氮,最好是
磷;F是
磷、
砷或
锑,最好是
磷。该工艺包括磺化下式定义的
配体:
然后将得到的磺化
配体与(1)零价
镍化合物和(2)下式定义的
酰亚胺反应:
其中 R1、R2、R3、R4、R5、R6、R7、R8、E、F 和 M 如上定义,条件是 R4、R5 和 R6 中至少有一个是芳基。