Process for the preparation of furo(3,4-e)-as-triazines

Details Process for the preparation of furo(3,4-e)-as-triazines Process for the preparation of furo(3,4-e)-as-triazines

1975-05-08

1976-06-08

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424249, C07D25308

Patent

active

039622401

ABSTRACT:
5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-(m-nitrophenyl)furo[3,4-e]-as-triazine, are prepared by reacting a 2,2,5,5-tetramethyl-3,4(2H,5H)furandione with substituted or unsubstituted benzimidic acid hydrazide under an inert atmosphere in the presence of an inert organic solvent and are useful as sleep inducers and minor tranquilizers.

REFERENCES:
patent: 3697518 (1972-10-01), Schmidt et al.
patent: 3772276 (1973-11-01), Sauter

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