Các hợp chất đitecpenoit phân lập từ quả cây na biển (Annona glabra) (Phần 1)

Phan Văn Kiệm, Nguyễn Thị Thu Hiền, Phạm Hải Yến, Dương Thị Dung, Đan Thị Thúy Hằng, Nguyễn Xuân Nhiệm, Trần Minh Đức, Ninh Khắc Bản, Hoàng Lê Tuấn Anh, Châu Văn Minh

Abstract


Four kaurane diterpenoids, 16β,17-dihydroxy-ent-kaurane (1), 16β,17-dihydroxy-ent-kauran-19-al (2), 16β,17-dihydroxy-ent-kauran-19-oic acid (3) and 16α,17-dihydroxy-ent-kaurane (4) were isolated from the methanol extract of the Annona glabra fruits by various chromatographic experiments. Their structures were characterized and revised by 1D-, 2D-NMR spectra, and ESI-MS, as well as in comparison with the reported values.


Keywords


Annona glabra, Annonaceae, kaurane diterpenoid

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