NEW DIGERMANES - AN ATTEMPTED SYNTHESIS OF A DIGERMADIENE

被引：9

作者：

CHAUBONDEREDEMPT, MA ^{[1
]}

ESCUDIE, J ^{[1
]}

COURET, C ^{[1
]}

机构：

[1] UNIV TOULOUSE 3,CHIM ORGANOMINERAUX LAB,URA 477,118 ROUTE NARBONNE,F-31062 TOULOUSE,FRANCE

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1994年 / 467卷 / 01期

关键词：

DIGERMADIENE; DIGERMANE;

D O I：

10.1016/0022-328X(94)88005-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1,2-Dimesityltettachlorodigermane 7 has been prepared by chlorination of 1,2-dimesityldigermane 6 with CCl4. From 7, four new digermanes Mes(CHR2)Ge(X)Ge(X)(CHR2)Mes (CHR2 = fluorenyl; X = H (4), Cl (5), OH (8) or F (9)) have been synthesized. These sterically crowded derivatives are obtained as two diastereoisomers which have been isolated in the pure state by fractional crystallization. Reactions of various lithio compounds with the chloro or fluoro derivatives 5 or 9 lead to fluorene, following lithium-halogen exchange and then alpha-elimination and, in the case of (t)BuLi, a reduction of the germanium-halogen bond.

引用

页码：37 / 46

页数：10

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