Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines

Details Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines

1978-03-16

1981-08-04

Daus, Donald G.

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

Organic compounds

Pteroyl per se or having -c-, wherein x is chalcogen, bonded...

424251, 548373, 548375, 548377, A61K 31505, C07D48704

Patent

active

042823617

ABSTRACT:
An improved synthesis is disclosed for 7-alkylamino-3-methylpyrazolo[4,3-d]pyrimidines, which are known to be potent cytokinin antagonists.

REFERENCES:
patent: 2980677 (1961-04-01), Druey et al.
patent: 3682957 (1972-08-01), Cresswell et al.
patent: 3939161 (1976-02-01), Ratajczky et al.
Lucas, Organic Chemistry, 2nd ed., 1953, Amer. Book Co., N. Y., pp. 175, 223-226, 370-371.
Robins, et al., "Jour. of Org. Chem.", vol. 21, No. 8, 1956, pp. 833-836.

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