Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1995-09-25
1998-01-06
Gupta, Yogendra N.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544216, C07D25110
Patent
active
057056439
ABSTRACT:
Novel dihydrotriazine compounds corresponding to formula (2') ##STR1## wherein R'.sub.1, R'.sub.2 and R'.sub.3 are each independently of one another hydrogen, halogen, C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or --C.tbd.N, with the proviso that R'.sub.1, R.sub.'2 and R'.sub.3 are not simultaneously hydrogen. The above dihydrotriazines are useful as starting compounds for the preparation of UV absorbers.
REFERENCES:
J. Chem. Soc. perkin Trans I, vol. 11, 1980, pp. 2392-2397.
(Khim. Geteritsikl. Soedin. (2), S. 350-353) (1969), C.A. 71 30455 K.
Reagents For Organic Synthesis, Fieser & Fieser, John Wiley and Sons, 1967 p. 1048.
Bacher Jean Pierre
Reinehr Dieter
Ciba Specialty Chemicals Corporation
Gupta Yogendra N.
Kovaleski Michele A.
Malia Victoria M.
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