ChemInform Abstract: A Large Scale Preparation of 1‐Ethynylcyclopentene and 1‐Hexen‐4‐yne.

Abstract

A Large Scale Preparation of 1-Ethynylcyclopentene and 1-Hexen-4-yne.-The title compounds (II) and (V) are synthesized in large scale with higher yields than in earlier reports. (II) and (V) are needed for long term storage safety tests. -(DAVINI, E.; GIONGO, M.; RIOCCI, M.; Org. Prep. Proced. Int. 27 (1995) 5, 586-590; Eniricerche SpA, I-00016 Monterotondo Scalo, Italy; EN)