Ontology highlight
ABSTRACT:
SUBMITTER: Lee CL
PROVIDER: S-EPMC2880632 | biostudies-literature | 2009 Feb
REPOSITORIES: biostudies-literature
Journal of natural products 20090201 2
Two new phenanthrenequinones, calanquinones B and C (2 and 3) and four new 9,10-dihydrophenanthrenes, calanhydroquinones A-C (4-6) and calanphenanthrene A (7), along with five known compounds (1 and 8-11), were isolated from an EtOAc-soluble extract of Calanthe arisanensis through bioassay-guided fractionation. Their structures were identified from spectroscopic data, and the compounds were tested for in vitro cytotoxic activity against human lung (A549), prostate (PC-3 and DU145), colon (HCT-8) ...[more]