Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-02-23
1992-09-01
Bond, Robert T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546159, 546160, 546161, 546162, A61K 3147, C07D21542, C07D21544
Patent
active
051439204
ABSTRACT:
Substituted 4-aminoquinazoline derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkoxy C.sub.1-6 alkyl,
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McOmie, Protective Groups in Organic Chemistry, (Plenum Press, New York, 1973), pp. 145-147.
Brown Thomas H.
Ife Robert J.
Leach Colin A.
Bond Robert T.
Dinner Dara L.
Lentz Edward T.
SmithKline Beckman Intercredit B.V.
Suter Stuart R.
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