✦ LIBER ✦

Synthesis of triphenylphosphonium trichlorogermanate and analogs. Preparation of germylenes from triphenylphosphonium trichlorogermanate

✍ Scribed by Qinyan Zhu; Kelley L. Ford; Eric J. Roskamp

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 297 KB
Volume: 3
Category: Article
ISSN: 1042-7163
DOI: 10.1002/hc.520030530

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✦ Synopsis

Abstract

Triphenylphosphonium trichlorogermanate was prepared in quantitative yield by reducing germanium tetrachloride‐triphenylphosphine (1:1) with tributyl‐tin hydride in diethyl ether. Heating the phosphonium salt at 245°C gave Ph~3~P‐GeCl~2~ in 90% recrystallized yield. Treatment of the phosphonium salt with LiN(TMS)~2~ gave Ge[N(TMS)~2~]~2~ in 70–77% yield. Reaction of tin dichloride or zinc dichloride with triphenylphosphine and hydrogen chloride yielded tin and zinc analogs of triphenylphosphonium trichlorogermanate.

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