Synthesis of aromatic terminal allenes and aliphatic terminal alkynes from hydrazones using calcium carbide as an acetylene source
Lei Gao, Zheng Li
Abstract
A simple method for the selective synthesis of aromatic terminal allenes and aliphatic terminal alkynes from the reactions of calcium carbide with ketone and aldehyde <italic>p</italic>-tosylhydrazones using copper as a mediator is described.
Topics & Concepts
ChemistryCalcium carbideAcetyleneKetoneAldehydeTerminal (telecommunication)Organic chemistryHydrazoneCalciumCatalysisComputer scienceTelecommunicationsSynthesis and Characterization of PyrrolesCyclopropane Reaction MechanismsCatalytic Alkyne Reactions