Trihydrogermyl-substituted thiophenes

F Riedmiller, H Schmidbaur

Index: Riedmiller, Frank; Schmidbaur, Hubert Journal of the Chemical Society, Dalton Transactions, 2000 , # 22 p. 4117 - 4121

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Abstract

Treatment of 2-bromo-or 2, 5-dibromo-thiophene with equivalent quantities of n-butyllithium at low temperature, followed by bromogermane, afforded 2-germyl-2 and 2, 5-di (germyl)- thiophene 3 in 44 and 82% yields, respectively. The in situ Grignard reaction of 2- bromothiophene with tetra (ethoxy) germane and magnesium gave low yields of 2-[tri (ethoxy) germyl] thiophene 1. Attempts to convert this product into the trihydride using ...