Nagaya H, Tobita Y, Nagae T, Itokawa H, Takeya K, Halim A F, Abdel-Halim O B
Katakura Industry Co., Ltd., Sayama, Japan.
Phytochemistry. 1997 Mar;44(6):1115-9. doi: 10.1016/s0031-9422(96)00681-4.
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.