Patent · US Expired

Acetic acid derivatives and processes for their production

US4080326A · kind A · utility

0Cited by
1References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 18, 1975
Grant dateMar 21, 1978
Priority date—
Expiry dateSep 18, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/6512
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of a compound of formula: ##STR1## wherein R is an amino, hydrocarbylamino or dihydrocarbylamino radical, the hydrocarbylamino and dihydrocarbylamino radicals being unsubstituted, or substituted in the hydrocarbyl moiety with atoms or radicals which do not interfere with the process and Z is an acyl radical which comprises the steps of: PA1 (a) decarboxylating a compound of formula: ##STR2## to produce the corresponding 4-hydroxy-6-methyl-pyrimidine; and (B) TREATING THE CORRESPONDING 4-HYDROXY-6-METHYL PYRIMIDINE THUS PRODUCED WITH AN ACYLATING AGENT CAPABLE OF PROVIDING THE ACYL RADICAL Z; where both steps (a) and (b) are carried out in the same solvent or diluent.

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