C. Laurent et P. Mazerolles, DEHYDROGENATION OF HEXAHYDRODIMETALLAPENTALENES, Comptes rendus de l'Academie des sciences. Serie II. Mecanique, physique, chimie, astronomie, 320(4), 1995, pp. 205-209
Dehydrogenation of a series of hexahydro-2,5-dimetallapentalenes (M=Si
, Ge) with dichlorodicyanoquinone led, in all experiments, to trans co
njugated diethylenic systems; the presence of the cis dienic isomers (
siloles and germoles) was not detected.