Process for the preparation of triazolinone herbicides

Details Process for the preparation of triazolinone herbicides Process for the preparation of triazolinone herbicides

1997-01-15

1999-01-05

Davis, Zinna Northington

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5482632, C07D24912, C07D47104

Patent

active

058564950

ABSTRACT:
A process for the preparation of substituted 1,2,4-triazoline-3(2H)-ones of general formula (I) ##STR1## by reacting an amide of general formula (IV) ##STR2## with phosgen or thiophosgen or a phosgen substitute or thiophosgen substitute to a compound of general formula V ##STR3## and subsequent reaction of (V) with a compound of general formula (VI) or of an acid addition salt of (VI)

REFERENCES:
patent: 3080358 (1963-03-01), Ottenheyn et al.
patent: 4139364 (1979-02-01), Wolf
patent: 4818276 (1989-04-01), Maravetz et al.
Temple, "Triazoles 1, 2, 4" 1981, pp. 365-385, 404-421, 443-461 and 516-521 .

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