Eliminative Ring Opening of Oxiranium Ions in the Gas Phase This work was supported by the Ministero della Università e della Ricerca Scientifica e Tecnologica (MURST) and the Consiglio Nazionale delle Ricerche (CNR). Thanks are due to Claudio Lillocci, who kindly provided us with a purified sample of threo-2-dimethylamino-3-methoxybutane |