title: An elegant synthesis of Zetaclausenamide.
abstract: Zetaclausenamide, which was isolated as a hepatoprotective agent from the leaves of medicinal plant Clausena lansium, was synthesized for the first time in six steps including Darzen's condensation, photoisomerization, and the final cyclization reactions.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China. manianch@yahoo.com
authors.forename: Nianchun
authors.initials: N
authors.lastname: Ma
authors.forename: Kemei
authors.initials: K
authors.lastname: Wu
authors.forename: Liang
authors.initials: L
authors.lastname: Huang
mesh_terms: D003500:Cyclization; D007769:Lactams / Q000737:chemistry*; D008027:Light; D017705:Lignans / Q000737:chemistry*; D008958:Models, Molecular; D015394:Molecular Structure; D027821:Rutaceae / Q000737:chemistry*
chemical_list: D007769:Lactams; D017705:Lignans; C053048:clausenamide