Provided is a novel process for readily producing β - 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.
本发明提供了一种易于生产
β-胡萝卜素的新型工艺,该工艺包括将通式(1)、(2)或(3)所代表的砜化合物与碱反应、
其中 R 代表可能被取代的苯基,R'为
缩醛型保护基团,X 为卤素原子。