Process for the preparation of condensed as-triazine derivatives

Details Process for the preparation of condensed as-triazine derivatives Process for the preparation of condensed as-triazine derivatives

1987-04-28

1989-10-03

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25308

Patent

active

048718467

ABSTRACT:
A process for the preparation of condensed as-triazinium derivatives of the formula I ##STR1## and isomers thereof, wherein R.sub.1 inter alia is an alkyl group, R.sub.2 inter alia is hydrogen or an alkyl group and R.sub.3 is hydrogen and where Z is a group of the formula a or b ##STR2## which comprises reacting a compound of the formula II ##STR3## where Y is a group of the formula c or d ##STR4## with a compound of the formula IIa

REFERENCES:
patent: 4419355 (1983-12-01), Kosoczky et al.
patent: 4602018 (1986-07-01), Messmer et al.
patent: 4697013 (1987-09-01), Messmer et al.

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