Patent · US Expired

Preparation of hydroxy compounds by bioconversion with dioxygenase

US6087137A · kind A · utility

3Cited by
0References
9Claims
0Family size

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Key dates

Filing dateNov 21, 1997
Grant dateJul 11, 2000
Priority date
Expiry dateNov 21, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/24
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A process for preparing a compound of Formula (3) in which R.sup.2 is --H; ##STR1## which comprises the steps: i) conversion of a compound of Formula (1) into a compound of Formula (2) using a dioxygenase enzyme; ##STR2## ii) conversion of the compound of Formula (2) into a compound of Formula (3) wherein is --COR; and PA1 iii) conversion of the compound of Formula (3) in which R.sup.2 is --COR into a compound of Formula (3) in which R.sup.2 is --H; PA2 wherein R.sup.2, a, b, c, d, Z, m and X are as defined in claim 1. Also claimed are individual steps of the process and new compounds of Formula (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.