Cycloaddition of dialkylgermoles: Synthesis and structures of 2,2,3,3-tetracyano-1,4,5,6-tetraphenyl-7-germanorborn-5-enes

Article abstract of DOI:10.1007/BF02495774

Cycloaddition reactions of 1,1-dicyclopropyl-2,3,4,5-telraphenyl-1-germacyclopentadiene (3) with dehydrobenzene, tetracyanoethylene, cyclooctyne, or dimethyl acetylenedicarboxylate as well as of 1,1-dimeihyl-2,3,4,5-tetraphenyl-1-gerniacyclopentadiene (4)