UTILITY OF Β-DIKETONES IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF NEW TETRAHYDROPYRIMIDINETHIONE, PYRAZOLE, THIOPHENE, DIHYDROPYRIDINE, DIHYDROPYRANE AND PYRIDAZINE DERIVATIVES

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

PYRIMIDINETHIONES AS BUILDING BLOCKS IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF PYRANO[2,3-D]PYRIMIDINE, CHROMENO[2,3-D]PYRIMIDINE, PYRIDO[3',2':5,6]PYRANO[2,3-B]PYRIDINE AND PYRIMI

HETEROCYCLIC SYNTHESIS WITH ACTIVATED NITRILES: AND EXPEDITUS SYNTHETIC APPROACH TO POLYFUNCTIONALLY SUBSTITUTED HETEROCYCLO PYRIMIDINES, PYRAZOLO, CHROMENO AND TETRAHYDROBENZO[B

SYNTHESIS OF SOME NEW SUBSTITUTED PYRIMIDINES AND FUSED PYRIMIDINES

UTILITY OF ENAMINONITRILE IN THE SYNTHESIS OF NOVEL HETEROCYCLES BEARING PYRAZOLE MOIETY AND THEIR ANTIMICROBIAL AND CYTOTOXIC ACTIVITY ASSESSMENT

UTILITY OF POLYFUNCTIONALLY SUBSTITUTED HETEROCYCLIC COMPOUNDS IN THE SYNTHESIS OF NEW PYRAZOLOPYRIMIDINES AND THEIR ANNELATED DERIVATIVES

UTILITY OF 2- HYDRAZIN04,6 DIMETHYLPYRIMIDINE IN HETEROCY CLIC SYNTHESIS

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

THE UTILITY OF BENZOYLCHROMENE AND 2-IMINOCHROMENE-3-CARBOXAMIDE DERIVATIVES FOR THE SYNTHESIS OF PYRANOCHROMENES, CHROMENOPYRANO(PYRIMIDINE)PYRIDINE, CHROMENO(PYRIDINES)QUINOLINE