Pheromone, 2. Mitt. Ein Verfahren zur Herstellung von Ketonen und Spiroketalen durch Entschwefelung von Thienylethern

摘要

Starting from substituted methoxythiophenes1ketones and spiroketals can be synthesized in one step by desulfurization with partial hydrogenation. The bark beetle pheromone chalcogran2 aand the wasp anti aggression pheromone2 bwere prepared by this method.