Sulfone aldehydes useful for producing .beta.-carotene

Details Sulfone aldehydes useful for producing .beta.-carotene Sulfone aldehydes useful for producing .beta.-carotene

1992-08-31

1993-08-17

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

C07C31710

Patent

active

052371026

ABSTRACT:
Provided is a novel process for readily producing .beta.-carotene in which a sulfone compound represented by the general formula (1), (2) or (3) is reacted with an alkali, ##STR1## wherein R represents a phenyl group which may be substituted, R' a protecting group of acetal type and X a halogen atom.

REFERENCES:
patent: 4331814 (1982-05-01), Chabaras et al.
patent: 4474983 (1984-10-01), Chabaras et al.
patent: 4883887 (1989-11-01), Bernhard et al.

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