An unusual cyclization reaction in the chemistry of perchloroorganic compounds of silicon and germanium. Synthesis and crystal structure of perchloro(2,2′-biphenylene)diphenyl-silane and -germane
An unusual cyclization reaction in the chemistry of perchloroorganic compounds of silicon and germanium. Synthesis and crystal structure of perchloro(2,2′-biphenylene)diphenyl-silane and -germane