Manufacture of polyene compounds via a Wittig reaction in a two

Details Manufacture of polyene compounds via a Wittig reaction in a two Manufacture of polyene compounds via a Wittig reaction in a two

1976-08-04

1978-03-28

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260404, 2604045, 260408, 260410, 2603452, 560231, C11C 302

Patent

active

040814700

ABSTRACT:
Polyene compounds such as vitamin A acetate are prepared by reacting triarylphosphonium salts with aldehydes in a two-phase aqueous-organic solvent system.

REFERENCES:
patent: 2917523 (1959-12-01), Pommer
Dehmlow, E. "Phase-Transfer Catalyzed Two-Phase Reactions in Preparative Organic Chemistry" Angew. Chem., Internat. Edit. vol. 13, No. 3 (1974), pp. 170-178.

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