Access to Metal Complexes of the Elusive Imidobis(phosphaalkene) Anion by N–Si Bond Cleavage of a
<i>N</i>
‐Silylimino‐Bridged Bis(phosphaalkene)
作者:Roxana M. Bîrzoi、Delia Bugnariu、Rafael Guerrero Gimeno、Antje Riecke、Constantin Daniliuc、Peter G. Jones、László Könczöl、Zoltán Benkõ、László Nyulászi、Rainer Bartsch、Wolf‐W. du Mont
DOI:10.1002/ejic.200900982
日期:2010.1
aminophosphaalkene (iPrMe 2 Si) 2 C=PN(H)-SiMe 3 (2) with lithium diisopropylamide (LDA) in THF solution, followed by the reaction of the lithium salt 3 with the P-chlorophosphaalkenes (RMe 2 Si) 2 C=PCl (1a, R = Me; 1b, R = iPr; 1c, R = Ph), furnishes the first N-silylimino-bridged bis(phosphaalkenes) [(iPrMe 2 Si) 2 C=P] 2 NSiMe 3 (4a) and [(iPrMe 2 Si) 2 C=P][(RMe 2 Si) 2 C=P]NSiMe 3 (4b, R = Me; 4c, R = Ph). The
氨基磷烯 (iPrMe 2 Si) 2 C=PN(H)-SiMe 3 (2) 与二异丙基氨基锂 (LDA) 在 THF 溶液中的金属化,然后锂盐 3 与对氯磷烯 (RMe 2 Si) 反应) 2 C=PCl (1a, R = Me; 1b, R = iPr; 1c, R = Ph), 提供第一个 N-甲硅烷基亚氨基桥连的双(磷烯烃) [(iPrMe 2 Si) 2 C=P] 2 NSiMe 3 (4a) 和 [(iPrMe 2 Si) 2 C=P][(RMe 2 Si) 2 C=P]NSiMe 3 (4b,R = Me;4c,R = Ph)。在非常温和的条件下使用 AuCl(THT) 和 [RhCl(COD)] 2 对 4a 的 N-Si 键断裂提供 P,P' 配位的亚胺双(磷烯烃)阴离子的双核 Au I 和 Rh I 配合物 5、6 [(iPrMe 2 Si) 2 C=P] 2 N ―