Synthesis of New Substituted Purines and [1,2,4] Triazolo- [3,4-i]purine Derivatives

SYNTHESIS OF NEW THIENO-[2,3-b]-PYRIDINE AND PYRAZOLO-5,4-b-PYRIDINE DERIVATIVES

SYNTHESIS OF IMIDAZO[4,5-C] AND TRIAZEPINO|6,5-C]CINNOLINES

SYNTHESIS OF SOME NEW 2,4,6-TRISUBSTITUTEDTHIAZOLO-[5,4-d] PYRIMIDINE-5,7(4H,6H)-DIONES.

SYNTHESIS OF SOME PYRIMIDINE DERIVATIVES OF EXPECTED BIOLOGICAL ACTIVITIES

SYNTHESIS OF SOME PYRIMIDO-[1,6-a]- INDOLE OF POTENTIAL PHARMACOLOGICAL INTEREST

SYNTHESIS OF NEW CONDENSED PYRIMIDINES: I

Sythesis of Some New Quinazolin-4-one Derivatives

SYNTHESIS OF SOME NEW SUBSTITUTED PYRIMIDINES AND FUSED PYRIMIDINES

SYNTHESIS OF CERTAIN SUBSTITUTED 7-CHLORO-4- QUINAZOLONES OF PHARMACEUTICAL INTEREST