title: Samoquasine A, a benzoquinazoline alkaloid from the seeds of Annona squamosa.
abstract: A benzooxyquinazoline alkaloid, samoquasine A (1), has been isolated from the seeds of Annona squamosa, and its structure was elucidated by spectroscopic and chemical methods.
authors.affiliation: Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Morita
authors.forename: Y
authors.initials: Y
authors.lastname: Sato
authors.forename: K L
authors.initials: KL
authors.lastname: Chan
authors.forename: C Y
authors.initials: CY
authors.lastname: Choo
authors.forename: H
authors.initials: H
authors.lastname: Itokawa
authors.forename: K
authors.initials: K
authors.lastname: Takeya
authors.forename: J
authors.initials: J
authors.lastname: Kobayashi
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D019684:Magnoliopsida / Q000737:chemistry* / Q000196:embryology; D015394:Molecular Structure; D011799:Quinazolines / Q000737:chemistry* / Q000302:isolation & purification*; D012639:Seeds / Q000737:chemistry; D013057:Spectrum Analysis
chemical_list: D000470:Alkaloids; D011799:Quinazolines; C421084:perlolidine