Quaternized N-substituted carboxymethyl chitosan derivatives as antimicrobial agents

ChemInform Abstract: Synthesis of Pyrazoles and Fused Pyrazoles. Novel Synthesis of Pyrano[2,3-c]pyrazole, Thieno[2,3-c]pyrazole and Pyrazolo[3,4-b]pyridine Derivatives.

ChemInform Abstract: Utility of Arylhydrazidoyl Aryl Ethers in Heterocycles: A Novel Synthesis of Aryloxypyridazines, -phthalazines and -thieno[3,4-d]pyridazine Derivatives.

ChemInform Abstract: Hydrazonoyl Halides in Heterocyclic Chemistry: Synthesis of New Polyfunctionally Substituted Pyrazoles, Pyridazines and Pyrazolo(3,4-d) pyridazines.

ChemInform Abstract: Utility of Hydrazonoyl Chlorides: Synthesis of New Pyrazoles, e.g.(III) , (V), Pyrazolo(3,4-d)pyridazines, e.g. (VI), Pyrazolo(4,5-b)pyridines, and Pyrazolo(4,5-d)pyrimidine Derivatives.

ChemInform Abstract: Utility of Hydrazidoyl Halides in Heterocyclic Chemistry: Synthesis of Pyrazol-5-yl-1,2,4-triazole, Pyrazol-5-yl-thiadiazole and Pyrazol-5-yl-triazolo[4,5-b]triazine Derivatives.