THIAPENTADIENYL IRIDIUM PHOSPHINE CHEMISTRY - SYNTHESIS OF SULFUR-CONTAINING IRIDACYCLES VIA C-H BOND ACTIVATION

被引:46
作者
BLEEKE, JR
ORTWERTH, MF
CHIANG, MY
机构
[1] Department of Chemistry, Washington University, St. Louis
关键词
D O I
10.1021/om00044a002
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Treatment of (Cl)Ir(PR3)3 (R = Me, Et) with potassium thiapentadienide produces ((1,2,5-eta)-5-thiapentadienyl)Ir(PR3)3 (1, R = Me; 2, R = Et). While 1 is stable indefinitely in solution, 2 undergoes intramolecular activation of thiapentadienyl C-H bonds, producing a mixture of mer-(Ir-CH=CH-CH=CH-CH-S)(PEt3)3(H) (3) and mer-(Ir-C(=CH2)-CH=CH-S)(PEt3)3(H) (4). Over time, all of the six-membered thiairidacycle 3 converts to the thermodynamically favored five-membered-ring compound 4.
引用
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页码:2740 / 2743
页数:4
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