Difluorenyl- and tert- butylfluorenyl(fluorenylidene)germenes: synthesis, stabilisation and first aspects of their reactivity
作者:G. Anselme、J. Escudié、C. Couret、J. Satgé
DOI:10.1016/0022-328x(91)83090-q
日期:1991.2
Two new stablecompounds with a germaniumcarbon doublebond, the difluorenyl(fluorenylidene) germene 5 and the tert-butylfluorenyl(fluorenylidene)germene 11 have been synthesized by dehydrohalogenation of the corresponding halogenogermanes with tert-butyllithium. These germenes are stabilized both by steric effects of bulky groups such as fluoroenyl or tert-butyl and by delocalization of electrons