Process for the preparation of hydroxy substituted gamma butyrol

Details Process for the preparation of hydroxy substituted gamma butyrol Process for the preparation of hydroxy substituted gamma butyrol

Filed on

1997-10-31

Date issued

1998-09-15

Examiner

Trinh, Ba K.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

549326, 560186, 568858, 568864, C07D30732, C07C 69675, C07C 2706, C07C 2708

Type

Patent

Status

active

Patent number

058081070

Description

ABSTRACT:
Preparation of 4-hydroxy substituted butyrolactones is described. A process for the preparation of 3-hydroxybutyrolactone, 1,2,4-trihydroxybutane and 3,4-dihydroxy acid methyl ester from malic acid is particularly described. The preparation of 4-hydroxymethyl-4-hydroxybutyric acid -1-methyl ester and 4-hydroxymethyl butyrolactone is particularly described. The compounds are intermediates to various pharmaceutical and agricultural products.

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