9,10-Dihydrophenanthrenes and Phenanthrenes from Juncus setchuensis.

J Nat Prod. 2009 Jun 10; Wang XY, Ke CQ, Tang CP, Yuan D, Ye YFour new 9,10-dihydrophenanthrenes, juncuenins A-D (1-4), three new phenanthrenes, dehydrojuncuenins A-C (5-7), and three known compounds were isolated from the whole plants of Juncus setchuensis. The structures of the new compounds were established on the basis of detailed 1D and 2D NMR studies.