Verfahren zur Herstellung von Beta-Carotin und für dieses Verfahren verwendbare Zwischenprodukte.

摘要

Provided is a novel process for readily producing beta - carotene which comprises reacting a sulfone compound represented by the general formula (1), (2) or (3) with an alkali, wherein R represents a phenyl group which may be substituted, R' a protecting group of acetal type and X a halogen atom.