Process for producing quinazolone derivatives

Details Process for producing quinazolone derivatives Process for producing quinazolone derivatives

1977-03-03

1979-01-02

Rizzo, Nicholas S.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

96 15R, 96 16, C07D47122

Patent

active

041328515

ABSTRACT:
6,7,14,15-Tetrahydropyrido[2,1-b]pyrido[1',2':1,2]pyrimido[4,5-g]quinazolin e-7,15-dione is oxidized with a quinone as an oxidizing agent to produce 7,15-dihydropyrido[2,1-b]pyrido[1',2':1,2]pyrimido[4,5-g]quinazoline-7,15- dione.

REFERENCES:
patent: 3024239 (1962-03-01), Caliezi
patent: 3475436 (1969-10-01), Cooper et al.
patent: 3738988 (1973-06-01), Jackson
patent: 3888665 (1975-06-01), Wiedermann
patent: 4025518 (1977-05-01), Wriede
Labana et al., "Chemical Reviews", vol. 67, 1967, p. 4.
Gibian, et al., "Chemical Abstracts", vol. 70, 1969.
"Chemical Abstracts", vol. 72, 1970.
Yokoyama et al., "Chemical Abstracts", vol. 83, 1975.

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