Cyclic guanidines. 14. Imidazo[1,2-a]thienopyrimidin-2-one derivatives as blood platelet aggregation inhibitors

Fumiyoshi Ishikawa, AKIRA KOSASAYAMA, Hitoshi Yamaguchi, +6

Journal of Medicinal Chemistry

ThrombopoiesisThrombosisMedicinal ChemistryCyclic GuanidinesThiophene Ring +13

Studies on Pyrazine Derivatives. II. Synthesis, Reactions, and Spectra of Pyrazine N-Oxide Derivatives

Seizaburo Okada, AKIRA KOSASAYAMA, T. Konno, +1

Chemical and Pharmaceutical Bulletin

Medicinal ChemistryChemical EngineeringEngineeringPyrazine DerivativesNmr Spectroscopy +7

Cyclic guanidines. I. Synthesis of hypoglycemic 1-substituted 2-imino-1,3-diazacycloalkanes.

Fumiyoshi Ishikawa, AKIRA KOSASAYAMA, Shigetake Nakamura, +1

Chemical and Pharmaceutical Bulletin

Derivative (Chemistry)Cyclic GuanidinesBioorganic ChemistryDerivativesEngineering +9

Cyclic guanidines. IV. Synthesis of hypoglycemic N-benzhydryl bicyclic guanidines.

AKIRA KOSASAYAMA, T. Konno, Kunio Higashi, +1

Chemical and Pharmaceutical Bulletin

Medicinal ChemistryCyclic GuanidinesDerivativesBioorganic ChemistryEngineering +13

Cyclic guanidines. VI. Synthesis of hypoglycemic tricyclic guanidines.

AKIRA KOSASAYAMA, Kunio Higashi, Fumiyoshi Ishikawa

Chemical and Pharmaceutical Bulletin

Angular ProductsDerivative (Chemistry)Cyclic GuanidinesDerivativesHeterocyclic +8

Cyclic guanidines. V. Synthesis of hypoglycemic 2,2- and 3,3-diphenylimidazo[1,2-.ALPHA.][1,3]diazacycloalkane derivatives.

AKIRA KOSASAYAMA, T. Konno, Kunio Higashi, +1

Chemical and Pharmaceutical Bulletin

Bioorganic ChemistryEngineeringOrganic ChemistryChemistryHeterocycle Chemistry +14

Studies on Pyrazine Derivatives. I. Synthesis of Pyrazinoylmorpholine and Related Compounds

Fumihiko Uchimaru, Seizaburo Okada, AKIRA KOSASAYAMA, +1

Chemical and Pharmaceutical Bulletin

Bioorganic ChemistryHalogenation ReagentsOrganic ChemistryBiological ActivitiesChemistry +15

Cyclic guanidines. III. Synthesis of hypoglycemic 2-benzhydrylimino-1,3-diazacycloalkanes.

AKIRA KOSASAYAMA, Yoshifumi Watanabe, Kunio Higashi, +1

Chemical and Pharmaceutical Bulletin

Derivative (Chemistry)Cyclic GuanidinesBioorganic ChemistryHeterocyclicBiochemistry +10

Syntheses of 1-Pyrazylpyridinium Salts, and Pyrido [1', 2' : 1, 2] imidazo-[4, 5-b] pyrazines, a New Type of Heterocyclic Compounds

Fumihiko Uchimaru, Seizaburo Okada, AKIRA KOSASAYAMA, +1

Chemical and Pharmaceutical Bulletin

HeterocyclicNew Type1-Pyrazylpyridinium SaltsHeterocyclic CompoundsOrganic Chemistry +3

Studies on Pyrazine Derivatives. IV. Coupling Constants and Chemical Shifts in Disubstituted Pyrazines

Fumihiko Uchimaru, Seizaburo Okada, AKIRA KOSASAYAMA, +1

Chemical and Pharmaceutical Bulletin

Calculated Chemical ShiftsPyrazine Derivatives6-Disubstituted PyrazinesAdditivity RuleMedicine +8