AT291249B

1-(beta-aryl-ethyl)-imidazole ethers and amines

Abstract

This record has no abstract on file.

AT291249B, drawing sheet 1
Sheet 1 of 15

Term

Term ended

Expired 18 August 1989, 37.1 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

7 claims: 6 independent, 1 dependent

  1. 1
    CLAIMS; 1. Process for the preparation of new imidazole derivatives of the general formula -N R * R * (X) R - C - C - O - (CH) - Ar * 1 ii 2 n Ar in which R, R x and R 2 independently of one another hydrogen atoms or lower alkyl radicals; 40 n zero, 1 or 2; Ar is phenyl, substituted phenyl, thienyl or halogenthienyl, wherein the Phenyl contains at least one substituent selected from the group consisting of halogen atoms, substituted lower alkyl radicals and lower alkoxy radicals; Nr.291249 Ar 'phenyl, substituted phenyl, wherein the substituted phenyl radical contains at least one substituent selected from the group consisting of halogen atoms, lower alkyl radicals, lower alkoxy radicals, cyano, nitro and amine; R * is hydrogen, methyl or ethyl; 5 R "is hydrogen or methyl; however a) in cases where Ar 'is a substituted phenyl radical containing at least one substituent selected from the group consisting of nitro and amino, n is zero, and b) in cases in which Ar * is a phenyl radical or substituted phenyl radical having at least one sub-substituent selected from the group consisting of halogen atoms, lower alkyl radicals, lower alkoxy radicals and cyano radicals, n is not zero, and their therapeutically active acid addition salts, characterized in that one compounds the general formula -N R "ll / e ' •NO I C-OM (VII) R Ar 2 15 in which M is an alkali metal, with compounds of the general formula Y - (CH) - Ar ' v 2 n (VI) in which Y is a halogen atom and Ar * has the abovementioned meaning, with the exception of aminophenyl, in the presence of a suitable solvent and subjecting the compounds (X) thus obtained to one or both of the following reactions, if desired:20 a) if in the product obtained Ar * is a nitrophenyl group;Reduction of this group to the corresponding aminophenyl group;b) Preparation of therapeutically active acid addition salts.
  2. 3
    Third Process according to Claims 1 and 2 for the preparation of 1- [β- (p-chlorobenzyloxy) -phenyl] -imidazole or its therapeutically active acid addition salts, characterized in that the sodium salt of 1- (0-hydroxyphenylethyl) imidazole is replaced by p Reacting chloromethyl chloride and 35 optionally produces the therapeutically effective acid addition salts of the product.
  3. 4
    4th Process according to Claims 1 and 2 for the preparation of 1- [2,4-dichloro-O- (p-chlorobenzyloxy) -phenyl] -imidazole or its therapeutically active acid addition salts, characterized in that the sodium salt of a - ( 2,4-dichlorophenyl) -imidazole-l-ethanol is reacted with p-chlorobenzyl chloride and optionally produces the therapeutically active acid addition salts of the product.
  4. 5
    5th Process according to Claims 1 and 2 for the preparation of 1- [2,4-dichloro-β- (2,4-dichlorobenzyloxy) -phenyl] -imidazole or its therapeutically active acid addition salts, characterized in that the sodium salt of α- ( 2,4-dichlorophenyl) - imidazole-1-ethanol with 2,4-dichlorobenzyl chloride and, if appropriate, the therapeutically active acid addition salts 45 of the product. No. 291249
  5. 6
    6th Process according to Claims 1 and 2 for the preparation of 1- [2,4-dichloro-β- (2,6-dichlorobenzyloxy) -phenyl] -imidazole or its therapeutically active acid addition salts, characterized in that the sodium salt of ot- ( 2,4-dichlorophenyl) -imidazole-l-ethanol with Converts 2,6-dichlorobenzyl chloride and optionally the therapeutically active acid addition salts 5 of the product.
  6. 7
    7th Process according to Claims 1 and 2 for the preparation of 1-fp-chloro-β- (2,6-dichlorobenzyloxy) -phenyl] -imidazole or its therapeutically active acid addition salts, characterized in that the sodium salt of α- (p-chlorophenyl ) imidazole-1-ethanol with 2, 6-dichlorobenzyl chloride and optionally produces the therapeutically active acid addition salts of Pro 10 product. Pamphlets considered by the Patent Office to distinguish the subject-matter of the application from the prior art:GB-PS 1 099 787 OE - PS 260 235 Print: Ing.E. Voytjech, Vienna