Method for producing thiadiazine compounds

Details Method for producing thiadiazine compounds Method for producing thiadiazine compounds

1991-11-15

1992-08-11

Ford, John M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28534

Patent

active

051380536

ABSTRACT:
There is disclosed a method for producing 2,6-bis(disubstituted amino)-1,3,5-thiadiazine-4-one compounds represented by formula (I). The method comprises reacting an N,N-disubstituted cyanamide represented by formula (II) with carbonyl sulfide represented by formula (III) under a high pressure. Formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group or R.sub.1 and R.sub.2 may bond together to form a ring, Formula (II) ##STR2## wherein R.sub.1 and R.sub.2 each have the same meanings as in formula (I), Formula (III)

REFERENCES:
patent: 3741196 (1973-06-01), Chupp
patent: 4159328 (1979-06-01), Ikeda et al.
patent: 5021412 (1991-06-01), Nakaya et al.

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