Electrocatalytic coupling of aryl halides with (1, 2-bis (di-2-propylphosphino) benzene) nickel (0)
MA Fox, DA Chandler, C Lee
Index: Fox, Marye Anne; Chandler, Daniel A.; Lee, Changjin Journal of Organic Chemistry, 1991 , vol. 56, # 10 p. 3246 - 3255
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Citation Number: 35
Abstract
Dibromo-and dichloro (l, 2-bis (di-2-propylphosphino) benzene) nickel (II) is compared with tetrakis (tri-phenylphoephino) nickel (II) as an electrocatalyst for the reductive coupling of aryl halides. In many of the reactions examined, dehalogenation of the substrate predominated over coupling; however, preparative yields of biphenyls as high as 96% can be obtained with aryl chlorides and 2 mol% of the title catalyst in polar, coordinating ...
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