Process of the preparation of hydroxyfurenones

Details Process of the preparation of hydroxyfurenones Process of the preparation of hydroxyfurenones

1978-02-21

1978-11-28

Raymond, Richard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603475, C07D30760

Patent

active

041275926

ABSTRACT:
A novel technique for the preparation of 4-hydroxy-5-alkyl-3-oxo-2H-furans is disclosed wherein the reaction product of an alpha-alkyl diglycolic acid diester and an oxalic acid diester is cyclized, hydrolyzed and decarboxylated. Alternatively, the corresponding 2,5-dialkyl product can be prepared by an intermediate alkylation step.

REFERENCES:
patent: 3853918 (1974-12-01), van den Ouweland
Henry et al., J. Org. Chem., vol. 31, (1966), pp. 2391-2394.

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