MX9305044A - CHEMICAL PROCEDURE. - Google Patents

CHEMICAL PROCEDURE.

Info

Publication number
MX9305044A
MX9305044A MX9305044A MX9305044A MX9305044A MX 9305044 A MX9305044 A MX 9305044A MX 9305044 A MX9305044 A MX 9305044A MX 9305044 A MX9305044 A MX 9305044A MX 9305044 A MX9305044 A MX 9305044A
Authority
MX
Mexico
Prior art keywords
chemical procedure
aryloxyage
ormaldehyde
pyrimidone
hexamethylphosphoramide
Prior art date
Application number
MX9305044A
Other languages
Spanish (es)
Inventor
Brian Geoffrey Cox
Daniel Levin
Original Assignee
Zeneca Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB929217723A external-priority patent/GB9217723D0/en
Application filed by Zeneca Ltd filed Critical Zeneca Ltd
Publication of MX9305044A publication Critical patent/MX9305044A/en

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

La presente invención se refiere a un método para la preparación de 2-hidroxiarilaldehido, el cual comprende hacer reaccionar un halogenuro de ariloximagesio, derivado de un fenol que tiene al menos una posición en orto linbre en relación al grupo e hidroxi fenólico con formaldehído, o un compuesto de liberación de ormaldehido bajo condiciones substancialmente anhidras en la presencia de un disolvente orgánico polar diferente a la hexametilfosforamida o de la 1,3-dimetil-3,4,5,6-(1HO-pirimidona.The present invention relates to a method for the preparation of 2-hydroxyaryl aldehyde, which comprises reacting an aryloxyage halide, derived from a phenol having at least one position in ortho linkage relative to the group and phenolic hydroxy with formaldehyde, or an ormaldehyde-releasing compound under substantially anhydrous conditions in the presence of a polar organic solvent other than hexamethylphosphoramide or 1,3-dimethyl-3,4,5,6- (1HO-pyrimidone.

MX9305044A 1992-08-20 1993-08-19 CHEMICAL PROCEDURE. MX9305044A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929217723A GB9217723D0 (en) 1992-08-20 1992-08-20 Chemical process
GB939316315A GB9316315D0 (en) 1992-08-20 1993-08-06 Chemical process

Publications (1)

Publication Number Publication Date
MX9305044A true MX9305044A (en) 1994-02-28

Family

ID=26301465

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9305044A MX9305044A (en) 1992-08-20 1993-08-19 CHEMICAL PROCEDURE.

Country Status (1)

Country Link
MX (1) MX9305044A (en)

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Legal Events

Date Code Title Description
FG Grant or registration
HC Change of company name or juridical status

Owner name: ROHM AND HAAS ASIA, INC.

PD Change of proprietorship

Owner name: AVECIA LIMITED.*

MM Annulment or lapse due to non-payment of fees