Methods for the production of 4H-s-triazolo[4,3-a][1,4]benzodiaz

Details Methods for the production of 4H-s-triazolo[4,3-a][1,4]benzodiaz Methods for the production of 4H-s-triazolo[4,3-a][1,4]benzodiaz

1975-09-12

1978-04-04

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D48704

Patent

active

040827640

ABSTRACT:
The title compounds are prepared by reacting a 3-amino-3,4-dihydro-4-hydroxy-4-phenylquinazoline with a reactive derivative of a halogenoacetic acid, reacting the resultant halogenoacetyl derivative with a weak acid, reacting the resultant 2-(3-halomethyl-s-triazol-4-yl)benzophenone with hydroxylamine and subjecting the resultant 2-(3-hydroxyamino-methyl-s-triazol-4-yl)benzophenone to dehydration to effect ring closure.

REFERENCES:
patent: 3583978 (1971-06-01), Archer et al.
patent: 3709898 (1973-01-01), Hester
Derieg et al., J. Org. Chem., vol. 36, pp. 782-787 (1971).

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