THE EFFECTS OF DIFFERENT COPPER (AND SOME OTHER) CATALYSTS ON THE CONVERSION OF TRIPHENYL- AND TETRAPHENYL-DIAZOCYCLOPENTADIENES AND OF SOME PHENYLIODONIUM αα'-DICARBONYLYLIDES INTO ARSONIUM AND OTHER YLIDES

Article abstract of DOI:10.1016/0040-4020(82)80118-X

Diazo-compounds or iodonium ylides may be converted into arsonium and other ylides when heated in solution with triphenylarsine or other suitable carbene (or carbenoid) acceptor, and with a suitable Cu derivative present.The effects of using different copper complexes and salts are described and discussed.Other metal derivatives were for the most part ineffetive as catalysts.