Phytochemistry. 1997 Mar; 44(6): 1115-9.

Cytotoxic triterpenes from Cleome africana.

Nagaya H, Tobita Y, Nagae T, Itokawa H, Takeya K, Halim AF, Abdel-Halim OB.

Katakura Industry Co., Ltd., Sayama, Japan.

Eighteen dammarane-type triterpenes were obtained from the whole plant of Cleome africana by means of cytotoxic bioassay-directed fractionation. Twelve of them were novel compounds whose structures were elucidated by various spectroscopic methods.