METALLACYCLOBUTANES FROM (ETA-3-CROTYL)RHODIUM COMPLEXES - REGIOSELECTIVITY DEPENDENCE ON ALLYL LIGAND CONFIGURATION - REINVESTIGATION OF NUCLEOPHILIC ADDITIONS TO 2 ISOMERS OF [CPRH(ISO-PR(3P)(ETA-3-CROTYL)]+BF4-

被引：36

作者：

TJADEN, EB ^{[1
]}

STRYKER, JM ^{[1
]}

机构：

[1] INDIANA UNIV,DEPT CHEM,BLOOMINGTON,IN 47405

来源：

ORGANOMETALLICS | 1992年 / 11卷 / 01期

关键词：

D O I：

10.1021/om00037a009

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Nucleophilic addition to the exo, syn isomer of [(C5H5)Rh(iPr3P)(eta(3)-crotyl)]+BF4- is shown to yield metallacyclobutane complexes in high yield, in contrast to a previous report. The beta-unsubstituted metallacycle from hydride addition is unstable with respect to rearrangement to the (E)-2-butene complex, but beta-monosubstituted metallacycles from carbon nucleophile addition are indefinitely stable. In contrast, the corresponding endo, anti isomer of [(C5H5)Rh(iPr3P)(eta(3)-crotyl)]+BF4- suffers kinetic nucleophilic addition exclusively at the allyl terminal carbon, giving (Z)-olefin complexes.

引用

页码：16 / 18

页数：3

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