title: Quaternary Alkaloids of Tinospora capillipes.
abstract: Extracts of the roots of TINOSPORA CAPILLIPES Gagnep. (Menispertnaceae) afforded the quaternary protoberberine alkaloids palmatine, jatrorrhizine, columbamine, stepharanine and dehydrodiscretamine and the quaternary aporphine alkaloids menisperine and magnoflorine.
authors.affiliation: Department of Chemistry, University Science Center, The Chinese University of Hong Kong, Hong Kong.
authors.forename: H M
authors.initials: HM
authors.lastname: Chang
authors.forename: A M
authors.initials: AM
authors.lastname: El-Fishawy
authors.forename: D J
authors.initials: DJ
authors.lastname: Slatkin
authors.forename: P L
authors.initials: PL
authors.lastname: Schiff