Global Patent Index - EP 0993440 A1

EP 0993440 A1 20000419 - ETHERIFICATION REACTION OF AN AMINOPHENOL USING A PHASE TRANSFER SYSTEM

Title (en)

ETHERIFICATION REACTION OF AN AMINOPHENOL USING A PHASE TRANSFER SYSTEM

Title (de)

ETHERIFIZIERUNGSREAKTION VON EINEM AMINOPHENOL UNTER VERWENDUNG EINES PHASENTRANSFERSYSTEMS

Title (fr)

REACTION D'ETHERIFICATION D'UN AMINOPHENOL EN UTILISANT UN SYSTEME DE TRANSFERT DE PHASE

Publication

EP 0993440 A1 20000419 (FR)

Application

EP 98933705 A 19980624

Priority

  • FR 9801333 W 19980624
  • FR 9707871 A 19970624

Abstract (en)

[origin: FR2764888A1] The invention concerns a method for transforming an aminophenol, characterised in that it consists in a step whereby said aminophenol aniline function is in the form of am anilide function and said phenol is dissolved in a water-repellent and weakly polar solvent in the presence of an alkaline hydroxide, a phase transfer catalyst and a halide or an alkyl pseudo-halide. The invention is applicable to organic synthesis.

IPC 1-7

C07C 269/06; C07C 217/82; C07C 231/12; C07B 41/04

IPC 8 full level

C07C 231/12 (2006.01); C07C 213/06 (2006.01); C07C 233/24 (2006.01); C07C 269/06 (2006.01); C07C 271/28 (2006.01); C07C 217/82 (2006.01)

CPC (source: EP)

C07C 213/06 (2013.01)

Citation (search report)

See references of WO 9858906A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

FR 2764888 A1 19981224; FR 2764888 B1 20000505; AU 8343398 A 19990104; CN 1261346 A 20000726; EP 0993440 A1 20000419; JP 2002504922 A 20020212; WO 9858906 A1 19981230

DOCDB simple family (application)

FR 9707871 A 19970624; AU 8343398 A 19980624; CN 98806453 A 19980624; EP 98933705 A 19980624; FR 9801333 W 19980624; JP 50391799 A 19980624