SYNTHESIS OF SOME NEW SUBSTITUTED PYRIMIDINES AND FUSED PYRIMIDINES

A CONVENIENT AND EFFICIENT SYNTHESIS OF CONDENSED 1,3-DIPHENYLPYRAZOLES : SYNTHESIS OF SOME NEW PYRANOPYRAZOLE , PYRAZOLOPYRANOPYRIMIDINE AND PYRA-ZOLOPYRANOTRIAZOLOPYRIMIDINE DER

UTILITY OF N-2-PYRIDYL–3-OXOBUTANAMIDE IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF NEW DIHYDROPYRIDINE, FUSED PYRIDINE, PYRIDOPYRIDONE, PYRIDAZINE AND PYRIDOPYRIMIDINETHIONE DERIVATIV

SYNTHESIS OF NOVEL PYRAZOLE, PYRIDAZINE AND PYRIMIDINE DERIVATIVES CONTAINING SULFONAMIDO MOIETY

Synthesis of New Bioactive Compounds of Pyrazino [2,3-e][1,3] Oxazepines and Pyrazino [2,3-e] [1,3] Diazepines Bearing 1,3,4-Oxadiazole Moieties

SYNTHESIS OF SOME NOVEL THIAZOLE, AMINOTHIOPHENE, PYRIDINE, CHROMENE AND CHROMENOPYRIDINE DERIVATIVES

-OXOANILIDE AS BUILDING BLOCKS IN HETEROCYCLIC SYNTHESIS: A NEW SYNTHESIS OF POLYFUNCTIONALLY SUBSTITUTED PYRIDINES, PYRANS AND PYRIMIDINES

Part 2: SYNTHESIS AND REACTIONS OF SOME NEW IMIDAZO[4,5-C]PYRAZOLE AND PYRAZOLO[3,4-D]PYRIMIDINE DERIVATIVES

SYNTHESIS OF POLYFUNCTIONALLY SUBSTITUTED HETEROCYCLIC COMPOUNDS DERIVED FROM 5-CINNAMOYLAMINO-2-CYANOMETHYL-1,3,4-THIADIAZOLE

Synthesis of new pyrazolo[3,4-b]pyridines and related fused tricyclic systems with possible biological activities