UTILITY OF DIKETONE IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF NEW SUBSTITUTED PYRIMIDINES AND FUSED PYRIMIDINE OF POTENTIAL BIOSIGNIFICANT INTEREST

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

UTILITY OF THIOGLYCOLLIC ACID IN THE SYNTHESIS OF SOME NEWLY THIAZOLIDINONE AND THIAZOLO[3,2-A]PYRIDINE DERIVA-TIVES AS ANTIMICROBIAL AGENTS

THE UTILITY OF 1-CYANOACETYL-4-(4-ETHOXYPHENYL) THIO-SEMICARBAZIDE FOR SYNTHESIS OF PYRAZOLE, TRIAZOLE, THIAZOLE, PYRIDINE AND CHROMENE DERIVATIVES

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

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

SYNTHESIS OF SOME BENZOFURANYL THIENO[2,3-D] PYRIMIDINE DERIVATIVES WITH BIOLOGICAL INTEREST

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

Utility of Carbothiohydrazides in Synthesis of some New Heterocyclic Compounds with Five- and Six-Membered Rings