R2Ge=SnR′2 and RR′Ge=SnRR′ (R = SiMetBu2, R′=2,4,6-iPr3C6H2):: The new stable germastannenes

被引：33

作者：

Sekiguchi, A ^{[1
]}

Izumi, R ^{[1
]}

Lee, VY ^{[1
]}

Ichinohe, M ^{[1
]}

机构：

[1] Univ Tsukuba, Dept Chem, Tsukuba, Ibaraki 3058571, Japan

来源：

ORGANOMETALLICS | 2003年 / 22卷 / 07期

关键词：

D O I：

10.1021/om021001y

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1,1-Bis(di-tert-butylmethylsilyl)-2,2-bis(2,4,6-triisopropylphenyl)-1-germa-2-stannaethene (2), containing a >Ge = Sn < double bond, was prepared as highly air- and moisture-sensitive deep violet crystals by the coupling reaction of bis(di-tert-butylmethylsilyl)dilithiogermane with dichlorobis(2,4,6-triisopropylphenyl)stannane in THF. The germastarmene 2 easily undergoes thermal isomerization to form the corresponding symmetrically substituted isomer (E)-1,2-bis(di-tert-butylmethylsilyl)-1,2-bis(2,4,6-triisopropylphenyl)-1-germa-2-stannaethene (3) by the dyotropic 1,2-shifts of the silyl and aryl substituents.

引用

页码：1483 / 1486

页数：4

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