Process for the preparation of 1-amino-1,3,5-triazine-2,4(1H, 3H

Details Process for the preparation of 1-amino-1,3,5-triazine-2,4(1H, 3H Process for the preparation of 1-amino-1,3,5-triazine-2,4(1H, 3H

1981-02-10

1982-10-26

Ford, John M.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 90, 71 92, 542425, 544113, 544 2, 544 3, 544 5, 544 7, 544 8, 544 54, 544 586, 544 60, 544 63, 544 65, 544 66, 544 67, 544 96, 544 98, 544223, C07D25138, A01N 4364

Patent

active

043560245

ABSTRACT:
A process for the preparation of a 1-amino-1,3,5-triazine-2,4(1H, 3H)-dione compounds comprising the steps of reacting an N-substituted imido-dicarboxylic acid diaryl ester with an isothiosemicarbazone at a temperature of between 50.degree. and 150.degree. C. to form a 1-alkylidene-amino-1,3,5-triazine-2,4(1H, 3H)-dione reaction product; and thereafter, hydrolyzing the reaction product in an acid medium. The reaction product need not be separated from the reaction mixture before the hydrolysis step. Certain novel 1-amino-1,3,5-triazine-2,4(1H, 3H)-dione compounds are provided. The compounds are useful as herbicides.

REFERENCES:
patent: 3907796 (1975-09-01), Lewell
patent: 4056527 (1977-11-01), Schlee et al.

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