2,5-disubstituted pyrazine derivatives, pyrimidine derivatives,

Details 2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, 2,5-disubstituted pyrazine derivatives, pyrimidine derivatives,

1990-10-31

1992-07-07

Stoll, Robert L.

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

Organic compounds

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

25229961, C07D23902, C09K 1934

Patent

active

051284723

ABSTRACT:
A 2,5-disubstituted pyrizine derivative and a 2,5-disubstituted pyrimidine derivative of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a straight-chain or branched alkyl group containing 1 to 20 carbon atoms;

REFERENCES:
patent: 4765924 (1988-08-01), Inoue et al.
patent: 4808333 (1989-02-01), Huynh-ba et al.
patent: 4812258 (1989-03-01), Krause et al.
patent: 4818430 (1989-04-01), Saito et al.
patent: 4820839 (1989-04-01), Krause et al.
patent: 4834904 (1989-05-01), Krause et al.
Chemical Abstracts, vol. 111, No. 16, Oct. 16, 1989, p. 678, abstract No. 144259z, Columbus, Ohio, U.S.; JP-A-01 79 160 (Dainippon Ink and Chemicals, Inc.) Mar. 24, 1989.

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