title: [Demethyltenuicausine, a new bisindole alkaloid from Melodinus hemsleyanus].
abstract: Demethyltenuicausine (I), a new bisindole alkaloid, was isolated from Melodinus hemsleyanus and its structure was determined by spectral analysis and semisynthesis. This compound showed antitumor activities in pharmacologicat tests.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050.
authors.forename: K
authors.initials: K
authors.lastname: Yan
authors.forename: S
authors.initials: S
authors.lastname: Hong
authors.forename: X
authors.initials: X
authors.lastname: Feng
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D029062:Apocynaceae / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D026121:Indole Alkaloids / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D015394:Molecular Structure
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D004365:Drugs, Chinese Herbal; D026121:Indole Alkaloids; C470039:demethyltenuicausine