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Chemical constituents of Chirita drakei Burtt collected in Ha Long Bay, Quang Ninh province, Viet Nam. Part 2. Compounds isolated from the n-butanol extract

Nguyen Thi Hoang Anh, Nguyen Van Tuan, Tran Duc Quan, Dao Duc Thien, Nguyen Thanh Tam, Trinh Thi Thuy, Tran Van Sung

Abstract


Four phenol glycosides together with cannabiside B were isolated from the n-butanol extract of the aerial part of Chirita drakei Burtt collected  in islands, on mountain  slopes of Ha Long bay, Quang Ninh province. Their structures have been elucidated by mass, NMR spectroscopy and comparison with published data. Compounds 4 and 5 were obtained for the first time from the genera Chirita.

Keywords. Chirita drakei, phenylethanoid glycoside, phenol glucoside, α,β-unsaturated g-lactone C-glucoside.


Keywords


Chirita drakei, phenylethanoid glycoside, phenol glucoside, α,β-unsaturated g-lactone C-glucoside

References


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