Process for the preparation of aminotriazine derivatives

Details Process for the preparation of aminotriazine derivatives Process for the preparation of aminotriazine derivatives

1992-12-16

1994-06-28

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546277, C07D27107, C07D41306

Patent

active

053248422

ABSTRACT:
The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl, C.sub.1 -C.sub.3 alkylsulfonyl, phenyl, phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, or pyridyl, and subjecting to hydrolysis the resulting compound of formula ##STR3##

REFERENCES:
patent: 4931439 (1990-06-01), Kristinson
patent: 4996325 (1991-02-01), Kristinson
Fritz et al, ".sup.15 N and .sup.13 CNMR Study, etc" Magnetic Resonance in Chemistry, 28, 331-336 (1990).
Takano, "7-Aminocephalosporanic acid, etc" CA 91:211409g (1979).
131552t, vol. 83, (1975) C.A. Hetzheim et al.
64449u, vol. 67, (1967) C.A. Hetzheim et al.
129769k, vol. 75, (1971) C.A. Hetzheim et al.

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