Patent · US Expired

Process for production of 2-haloacetylphenols

US4551554A · kind A · utility

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Assignee

Inventors

Key dates

Filing dateSep 23, 1981
Grant dateNov 5, 1985
Priority date
Expiry dateSep 23, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/008
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A new process for production of 2-haloacetylphenols having the general formula ##STR1## (wherein, Y is halogen atom; PA0 m is an integer of 0-2, PA0 X and n have the same meaning as mentioned below), which comprises reacting phenols having the general formula ##STR2## (wherein, X is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.5 alkoxy or halogen atom; PA0 n is an integer of 0-2) with haloacetonitriles and boron halide compounds in the presence of condensing coagents.

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