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Caesaldecan, a cassane diterpenoid from the leaves of Caesalpinia decapetala
Phan Van Kiem1, Chau Van Minh, Hoang Thanh Huong
1Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, Hanoi, Vietnam.
Abstract:
A new cassane diterpenoid, caesaldecan, was isolated from Caesalpinia decapetala with eight known compounds, spathulenol, 4,5-epoxy-8(14)-caryophyllene, squalene, lupeol, trans-resveratrol, quercetin, astragalin, and stigmasterol. The (1)H- and (13)C-NMR spectra of the new compound were completely assigned by using a combination of 2D NMR techniques, namely, (1)H-(1)H COSY, HMQC, HMBC, and ROESY.
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