Preparation of 1,3,5-trisubsutituted pyrazoles, methyltriphenyl-5-phenyl-pyridazin-3-ylphosphonium bromide, and 4-substituted 2-methylquinolines from triphenyl(prop-2-ynyl)phosphonium bromide
Abstract
Triphenyl(prop-2-ynyl)phosphonium bromide is a useful reagent for the preparation of the heterocycles listed in the title.