Regioselective synthesis of 1,3-disubstituted glycerides

Details Regioselective synthesis of 1,3-disubstituted glycerides Regioselective synthesis of 1,3-disubstituted glycerides

1991-03-15

1992-08-11

Dees, Jose G.

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

Organic compounds

Carbohydrates or derivatives

435134, 435137, 554 79, 554 82, 554173, C11C 302

Patent

active

051376601

ABSTRACT:
A process for the selective esterification of glycerol and 1-glyceryl derivatives to 1,3-disubstituted glycerides is disclosed. This process uses a water immiscible solvent, either a hydrocarbon or halogenated hydrocarbon, a 1,3-lipase and fatty acid anhydrides. This reaction mixture selectively esterifies the primary alcohol groups of glycerol or glycerol derivatives. The preferred derivatives of glycerol are alkyl ethers, alkyl phosphates, phospholipids, alkyl and diaklyl phosphates, and sugar glycosides.

REFERENCES:
patent: 3989728 (1976-11-01), Marten
patent: 4865978 (1989-09-01), Serota
Pieroni et al, European J Biochem, "Lipases Catalyze Hydrolysis of Fatty Acid Anhydrides", vol. 193, No. 1, pp. 249-253, 1990.
Lazar, et al., World Conference on Emerging Technologies in the Fats and Oil Industry, "Synthesis of ester by lipases", pp. 346-354 (1986).

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