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Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues
Published on: March 9, 2021
[New neolignan from seed of Myristica fragrans]
Xiu-Wei Yang1, Xin Huang, Mamat Ahmat
1State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100083, China. xwyang@bjmu.edu.cn
Objective:
To study the chemical constituents in the nutmeg (seed of Myristica fragrans).
Method:
The chemical constituents were isolated by various column chromatographic methods and structurally elucidated by IR, NMR and MS evidences.
Result:
Fifteen compounds were obtained and identified as myristicin (1), methyleugenol (2), safrole (3), 2, 3-dihydro-7-methoxy-2(3, 4-methylenedioxyphenyl)-3-methyl-5-(E) -propenyl-benzofuran (4), dehydrodiisoeugenol (5), 2, 3-dihydro-7-methoxy-2-(3-methoxy-4, 5-methylenedioxyphenyl) -3-methyl-5-(E)-propenyl-benzofuran (6), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3, 4-dimetho- xyphenyl) propane (7), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3, 4, 5-trimethoxyphenyl) propane (8), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3, 4-dimethoxyphenyl) propan-1-ol acetate (9), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3, 4-dimethoxyphenyl) propan-1-ol (10), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3, 4, 5-trimethoxyphenyl) propan-1-ol (11), 5-methoxy-dehydrodiisoeugenol (12), erythro-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(4-hydroxy-3-methoxyphenyl)-propan-1-ol (13), guaiacin (14) and threo-2-(4-allyl-2, 6-dimethoxyphenoxy)-1-(3-methoxy-5-hydroxy-phenyl) propan-1-ol (15).
Conclusion:
Compound 15 is a new compound and named myrisisolignan. Compound 7 is isolated from the genus Myristica for the first time.
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