Achaya Israngkura Na Ayutthaya. Chemical constituents of the stem bark of Croton oblongifolius from Loei province. Master's Degree(Pharmacognosy). Chulalongkorn University. Office of Academic Resources. : Chulalongkorn University, 2002.
Chemical constituents of the stem bark of Croton oblongifolius from Loei province
Abstract:
In the course of the investigation for chemical constituents of the stem bark of Croton oblongifolius Roxb., a neo-clerodane-type diterpene, methyl-15, 16-epoxy-12-oxo-3, 13(16), 14-neo-clerodatrien-18, 19-olide-17-carboxylate, and a cleistanthane-type diterpene, 3,4-seco-cleistantha-4(18), 13(17), 15-trien-3-oic acid, have been isolated. The structure elucidation and identification of the isolated compounds were established by extensive UV, IR, MS, 1-D NMR and 2-D NMR spectral data analyses, as well as comparison with reported data