BINUCLEAR COMPLEXES OF NICKEL BRIDGED BY HYDROCARBON LIGANDS - ISOCYANIDE INSERTION CHEMISTRY AND AMIDE FORMATION BY INTRAMOLECULAR COUPLING OF ACYL AND IMIDOYL FUNCTIONALITIES

被引:22
作者
CAMPORA, J
CARMONA, E
GUTIERREZ, E
PALMA, P
POVEDA, ML
RUIZ, C
机构
[1] UNIV SEVILLA,CSIC,INST CIENCIA MAT,DEPT QUIM INORGAN,APDO 553,E-41071 SEVILLE,SPAIN
[2] CSIC,INST CIENCIA MAT,E-28006 MADRID,SPAIN
[3] UNIV COMPLUTENSE MADRID,FAC CIENCIAS QUIM,E-28040 MADRID,SPAIN
关键词
D O I
10.1021/om00037a006
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Ni(cod)(PMe3)2 and the o-, m-, and p-bromobenzyl bromides react, under appropriate conditions, to afford the binuclear complexes Ni2(mu(2)-eta(3),eta(1)-CH2C6H4)Br2(PMe3)3 (1a-c) or Ni2(mu(2)-eta(1),eta(1)-CH2C6H4)Br2(PMe3)4 (2b,c). The reaction of the ortho eta(3)-benzylic derivative 1a with isocyanides, CNR, has been investigated, and three different isomeric species have been identified for R = Bu(t). The CNC6H3-2,6-Me2 insertion product, 4, reacts with CO to form a Ni(II)-vinyl complex 7 derived from the N-aryl-1-isoquinolone 8, which can be freed by hydrolytic cleavage of the Ni-vinyl bond.
引用
收藏
页码:11 / 13
页数:3
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