Phyllaemblic acid, a novel highly oxygenated norbisabolane from the roots of Phyllanthus emblica

Tetrahedron Letters

Volumn 41, Issue 11, 2000, Pages 1781-1784

  Zhang, Ying Jun ^a   Tanaka, Takashi ^a   Iwamoto, Yoko ^a   Yang, Chong Ren ^b   Kouno, Isao ^a  

^a NAGASAKI UNIVERSITY   (Japan)

^b KUNMING INSTITUTE OF BOTANY   (China)

Author keywords

Norbisabolane; Phyllaemblic acid; Phyllanthus emblica; Stereochemistry

Indexed keywords

NORBISABOLANE DERIVATIVE; PHYLLAEMBLIC ACID; UNCLASSIFIED DRUG;

ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; NONHUMAN; PHYLLANTHUS; PLANT ROOT; SPECTROSCOPY; STEREOCHEMISTRY; STRUCTURE ANALYSIS;

EMBLICA; PHYLLANTHUS EMBLICA;

EID: 0034635858     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)00015-0     Document Type: Article

References (14)

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2. The roots of Phyllanthus emblica L. were collected in the Wenshan county of Yunnan province, China, and air-dried. A voucher specimen is deposited with the Herbarium of Kunming Institute of Botany, Chinese Academy of Sciences.
3. 2O: C, 58.74; H, 5.87. Found: C, 58.79; H, 5.79.
4. +.
5. 13C data were shown in Table 1.
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8. 3), 167.0 (C1′), 131.4 (C2′), 130.5 (C3′,7′), 129.6 (C4′,6′), 134.3 (C5′).
9. 3).
10. 3), 7.488 and 7.401 (MTPA phenyl protons, m).
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