Title
Cassane diterpenes from the seed kernels of Caesalpinia sappan
Author
Hai Xuan Nguyen, Nhan Trung Nguyen, Phu Hoang Dang, Phuoc Thi Ho, Mai Thanh Thi Nguyen, Mao Van Can, Dya Fita Dibwe, Jun-ya Ueda, Suresh Awale
Year
2016
Journal
Phytochemistry
Abstract
Eight structurally diverse cassane diterpenes named tomocins A–H were isolated from the seed kernels of Vietnamese Caesalpinia sappan Linn. Their structures were determined by extensive NMR and CD spectroscopic analysis. Among the isolated compounds, tomocin A, phanginin A, F, and H exhibited mild preferential cytotoxicity against PANC-1 human pancreatic cancer cells under nutrition-deprived condition without causing toxicity in normal nutrient-rich conditions.
Instrument
J-805
Keywords
Circular dichroism, Absolute configuration, Toxicology, Medicinal