A chemical investigation of Croton crassifolius afforded a novel norclerodane diterpenoid (1) with an unprecedented six-membered oxygen ring between C-1 and C-12, together with three known compounds. The structure of the new compound was elucidated based on spectroscopic (IR, 1D, and 2D NMR) and HR-ESI-MS techniques. This report describes the first example of a natural norclerodane with a 4H-chromene ring system.
CITATION STYLE
Zhang, Z. X., Li, H. H., Fan, G. X., Li, Z. Y., Dong, L. L., Li, H. Y., & Fei, D. Q. (2015). A novel norclerodane diterpenoid from the roots of Croton crassifolius. Natural Product Communications, 10(11), 1917–1918. https://doi.org/10.1177/1934578x1501001128
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