STERIC EFFECTS OF THE 2-(DIPHENYLPHOSPHINO)PYRIDINE BRIDGING LIGAND IN THE SYNTHESIS OF BINUCLEAR PALLADIUM(II) COMPLEXES

被引：21
|
作者：
DEMUNNO, G
BRUNO, G
ARENA, CG
DROMMI, D
FARAONE, F
机构：
[1] UNIV MESSINA,DIPARTIMENTO CHIM INORGAN & STRUTTURA MOLEC,SALITA SPERONE 31,I-98100 MESSINA,ITALY
[2] UNIV CALABRIA,DIPARTIMENTO CHIM,ARCAVACATA,ITALY
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 450卷 / 1-2期
关键词：
D O I：
10.1016/0022-328X(93)80165-8
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Treatment of [Pd{CH2C(CH3)CH2}(Ph2PPy)Cl] (Ph2PPy = 2-(diphenylphosphino)pyridine) with cis-[Pd(tBuNC)2Cl2] in dichloromethane affords the mixed isocyanide-tertiary phosphine complex cis-[Pd(tBuNC)(Ph2PPy)Cl2], in which the Ph2PPy is a monodentate P-donor, and [{Pd[CH2C(CH3)CH2]Cl}2]. The steric effects of the Ph2PPy bridging ligand in determining the reaction course is discussed. The complex cis-[Pd(tBuNC)(Ph2PPy)Cl2] Was crystallographically characterized: P2(1)/n, a = 15.143(2), b = 9.527(1), c = 17.517(4) angstrom, beta = 113.96(1)-degrees, V = 2309.4(7) angstrom3, Z = 4. The final R value was 0.044, R(w) = 0.046 for the 3078 reflections with I > 3sigma(I).
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页码：263 / 267
页数：5
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