Process for the preparation of 4-hydroxy-5-alkyl and...

Details Process for the preparation of 4-hydroxy-5-alkyl and... Process for the preparation of 4-hydroxy-5-alkyl and...

C - Chemistry, Metallurgy

07

D

260/364.1

C07D 307/60 (2006.01) A23L 1/226 (2006.01) C07D 307/68 (2006.01)

Patent

CA 1118432

ABSTRACT OF THE DISCLOSURE 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 decarboxyl- ated. Alternatively, the corresponding 2,5-dialkyl product can be prepared by an intermediate alkylation step.

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