89503-79-7Relevant articles and documents
O-Methyldeoxopunjabine, a Secobisbenzylisoquinoline Alkaloid Bearing an Aryl Methyl Group, and Three Other Secobisbenzylisoquinoline Alkaloids, O-Methylpunjabine, Secocepharanthine, and Dihydrosecocepharanthine, from Stephania Sasakii
Kunitomo, Jun-ichi,Murakami, Yoshiko,Oshikata, Megumi,Akasu, Michinori,Kodama, Kazuya,et al.
, p. 135 - 143 (2007/10/02)
Two new secobisbenzylisoquinoline alkaloids, secocepharanthine (base J) (3) and O-methyl-punjabine (base K) (4), were isolated from Stephania sasakii Hayata (Menispermaceae).Their stuctures were established and the stuctures of two other alkaloids base B