NEW ARYL DIHYDROGERMYLLITHIUM COMPOUNDS

被引:17
作者
CASTEL, A [1 ]
RIVIERE, P [1 ]
SATGE, J [1 ]
DESOR, D [1 ]
机构
[1] UNIV TOULOUSE 3,CHIM ORGANOMINERAUX LAB,CNRS,URA 477,118 ROUTE NARBONNE,F-31062 TOULOUSE,FRANCE
关键词
D O I
10.1016/0022-328X(92)80129-L
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The new aryldihydrogermyllithium complexes RH2GeLi (R = Ph, Mes) are prepared, in good yields, by metallation of the parent trihydrogermane with t-butyllithium in THF. They are characterized by alkylation reactions with MeI. Some germylation reactions are reported: they lead to the formation of new functional aryldihydrogermanes and aryldigermanes by a nucleophilic substitution. These aryldihydrogermyllithium complexes react also with acyl chlorides RCOCl (R = Ph, Mes) to give new diacyl- and triacyl-germanes. These easily add to the carbonyl group of aromatic aldehydes, thereby giving the corresponding alpha-germyl alcohols.
引用
收藏
页码:49 / 61
页数:13
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