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Two new diterpenoids from the roots of Pygmacopremna herbacea |
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| Institution: | 1. Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China;2. Hainan Institute of Science and Technology, Haikou 571126, PR China;1. College of Humanities, Arts and Social Sciences, Flinders University, GPO Box 2100, Adelaide, SA 5001, Australia;2. College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, SA 5001, Australia |
| Abstract: | Two new diterpenoids, neobharangi-δ-lactone (1) and bharangi quinone (2) along with two known compounds neobharangin (3) and bharangin (4) were isolated from the ethyl acetate extract of root nodules of Pygmacopremna herbacea. The structures of the new compounds were established by 1D and 2D NMR spectroscopic data. |
| Keywords: | Verbenaceae Diterpenoids Neobharangi-δ-lactone Bharangi quinone Bharangin Neobharangin |
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