Five glycosides from the chinese drug ‘tong-guang-san’: The stems of marsdenia tenacissima

Shuji Miyakawa, Kimiko Yamaura, Kôji Hayashi, +2

Phytochemistry

Medicinal ChemistryMedicineHerbal MedicineGlycobiologyEast Asian Languages +5

The structural elucidation of fritillaria alkaloids from Fritillaria ebeiensis var. purpurea. I. The structures of ebeienine, ebeiedine and ebeiedinone.

Ping Lee, Yukie Kitamura, Koh Kaneko, +4

Chemical and Pharmaceutical Bulletin

Fritillaria AlkaloidsBioorganic ChemistryBiochemistryStructural ElucidationNatural Sciences +11

Atratosides A, B, C and D, steroid glycosides from the root of Cynanchum atratum

Zhuang-Xin Zhang, Jun Zhou, Kôji Hayashi, +1

Phytochemistry

Cynanchum AtratumBioorganic ChemistryBiochemistryMedicineNatural Sciences +6

Four pregnane glycosides, boucerosides AI, AII, BI and BII, from Boucerosia aucheriana

Kôji Hayashi, Iida Ikuko, Yumiko Nakao, +2

Phytochemistry

BiologyBioorganic ChemistryPregnane GlycosidesNatural SciencesBoucerosides Ai +3

A steroidal alkaloid from Fritillaria ebeiensis

Ping Li, Yukie Kitamura, Koh Kaneko, +4

Phytochemistry

PharmacologySecondary MetaboliteFritillaria EbeiensisPhytochemistry

Conversion of solanidine to jerveratrum alkaloids in Veratrum grandiflorum

Koh Kaneko, M. Watanabe, Shogo Taira, +1

Phytochemistry

Veratrum GrandiflorumBioorganic ChemistryBiochemistryNatural SciencesPhytopharmacology +2

Neutron resonance absorption spectroscopy on ionic conductor AgI

Koh Kaneko, Takashi Kamiyama, Yoshiaki Kiyanagi, +2

Journal of Physics and Chemistry of Solids

EngineeringSpectroscopyApplied PhysicsAbsorption SpectroscopyIonic Conductor Agi +1

Tortifoline, a novel (20S, 22R)-5.ALPHA.-cevanine alkaloid from Fritillaria tortifolia.

Yukie Kitamura, Koh Kaneko, Motoo Shiro, +4

Chemical and Pharmaceutical Bulletin

Chinese Herbal DrugMedicinal ChemistryNatural Product SynthesisAbsolute ConfigurationBiochemistry +12

New steroidal alkaloids from maxim. Pingbeinone and Heilonine

Yukie Kitamura, Makoto Nishizawa, Koh Kaneko, +3

Tetrahedron

Medicinal ChemistryPharmacological StudyBiochemistryMedicineNatural Sciences +6

Studies on the constituents of Asclepiadaceae plants. LXV The optical resolution of D- and L-cymaroses.

Sachiko Tsukamoto, Kôji Hayashi, Koh Kaneko, +1

Chemical and Pharmaceutical Bulletin

Plant AnalysisBotanyCarbamoyl DerivativesStereoselective SynthesisAsclepiadaceae Plants +17