Pyridopyrimidinone compounds

Details Pyridopyrimidinone compounds Pyridopyrimidinone compounds

1981-12-10

1983-07-26

Daus, Donald G.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

424200, 544244, 544278, 544243, C07D48704, C07D51304, C07F 965, A01N 5716

Patent

active

043955517

ABSTRACT:
A compound of the formula ##STR1## wherein R and R.sup.1 together form a 1,3-butadien-1,4-diyl group optionally substituted with a methyl or chloro group and R.sup.2 is halogen is disclosed. The compound is useful as an intermediate in the synthesis of insecticidal organophosphorus compounds.

REFERENCES:
patent: 3243437 (1966-03-01), Sherlock
patent: 3904624 (1975-09-01), Perronnet et al.
patent: 3960863 (1976-06-01), Sato et al.
patent: 4234587 (1980-11-01), Maurer et al.
patent: 4308258 (1981-12-01), Okabe et al.
Shur, et al., J. Org. Chem., vol. 33, No. 8, pp. 3015-3020, (1968).
Bohme, et al., Arch. Pharm., 310, pp. 26-29, (1977).

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