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Chemical & Pharmaceutical Bulletin | 1969

Studies on the Azasteroids and Related Compounds. V. Syntheses of Isomeric Ethyl 3-Methoxy-2-piperidineacetates and 4-Methoxy-1,2,3,4,4a, 5,7,8,9,10-Decahydro-6H-benzo[c]-quinolizin-6-ones

Zen-ichi Horii; Koichi Morikawa; Ichiya Ninomiya


GANN Japanese Journal of Cancer Research | 1965

Antitumor activity of 4( or 5)-aminoimidazole-5( or 4)-carboxamide derivatives.

Kotobuki Hano; Akira Akashi; Itaru Yamamoto; Shigehiko Narumi; Zen-ichi Horii; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1964

STUDIES ON ERGOT ALKALOIDS AND ITS RELATED COMPOUNDS. X. CONDENSATION OF CYCLIC KETONES AND 3-METHYLAMINOPROPIONATES.

Zen-ichi Horii; Chuzo Iwata; Ichiya Ninomiya; Nobuhiko Imamura; Masayoshi Ito; Yasumitsu Tamura


Chemical & Pharmaceutical Bulletin | 1968

Preparations and Stereochemistries of Ethyl 3α- and 3β-Methyl-9-oxobicyclo (3, 3, 1) nonane-1-carboxylates and Related Compounds

Zen-ichi Horii; Takeshi Imanishi; Sangwon Kim; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1966

Studies on Ergot Alkaloids and Related Compounds. XIII. syntheses and Stereochemistries of 4-Methyl-1,2,3,-4,4a, 5,6,10b-octahydrobenzo[f]quinoline-2-carboxylic Acids

Zen-ichi Horii; Takushi Kurihara; Shigeo Yamamoto; Ming-Ching Hsu; Chuzo Iwata; Ichiya Ninomiya; Yasumitsu Tamura


Chemical & Pharmaceutical Bulletin | 1968

Synthetic Studies on the Lycopodium Alkaloids. II. A Synthesis of a Key Intermediate, 2, 3, 5, 6, 7, 8-Hexahydro-7β-methyl-3-oxo-1H-5, 8a-propenoquinoline, for the Lycopodium Alkaloids

Zen-ichi Horii; Sangwon Kim; Takeshi Imanishi; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1967

Studies on Ergot Alkaloids and Related Compounds. XIV. Syntheses of N-Alkyl-4-methyl-2, 3, 4, 4a, 5, 6-hexahydrobenzo [f] quinoline-2-carboxamides and Stereochemistry of Diethyl 4-Methyl-1-oxo-1, 2, 3, 4, 4a, 5, 6, 10b-octahydrobenzo [f] quinoline-2, 2-dicarboxylate.

Zen-ichi Horii; Takushi Kurihara; Shigeo Yamamoto; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1968

Studies on the Azasteroids and Related Compounds. II. Reduction of 1,2,3,4,4a, 5,7,8,9,10-Decahydro-6H-benzo [c] quinolizin-6-one and Related Compounds

Zen-ichi Horii; Koichi Morikawa; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1969

Studies on Ergot Alkaloids and Related Compounds. XVI. On the So-called Bohlmann Absorption of 2, 4-Disubstituted Octahydrobenzo [f] quinoline Derivatives

Zen-ichi Horii; Takushi Kurihara; Ichiya Ninomiya


Chemical & Pharmaceutical Bulletin | 1968

Studies on Azasteroids and Related Compounds. III. On the Cyclodehydration of Cyclic Ketone and β-Aminoester

Zen-ichi Horii; Koichi Morikawa; Chuzo Iwata; Ichiya Ninomiya

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