Preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny)

Details Preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny) Preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halopheny)

1992-04-27

1993-09-14

Morris, Patricia L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24908

Patent

active

052450422

ABSTRACT:
A process is described for the preparation of cis-2-(1H-1,2,4-triazol-1-ylmethyl)-2-(halophenyl)-3-(halophenyl)oxirane I ##STR1## by epoxidizing Z-3-(1H-1,2,4-triazol-1-yl)-2-(halophenyl)-1-halophenyl)propene II, ##STR2## where halogen is in each case fluorine, chlorine or bromine, which comprises reacting the crude product of the epoxidation with one or more reducing agents, which are added to the reaction mixture in a considerable excess over the amount necessary to destroy any peroxide compounds present.

REFERENCES:
patent: 4464381 (1984-08-01), Janssen et al.
patent: 4906652 (1990-03-01), Karbach et al.
Mar., "Advanced Organic Chemistry", 2nd Ed. 1977 NY McGraw-Hill p. 1132.

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