Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

A. A. Leslie Gunatilaka; N. P. Dhammika Nanayakkara; M. Uvais; S. Sultanbawa; Sinnathamby Balasubramaniam

doi:10.1016/0031-9422(82)83043-4

Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

A. A. Leslie Gunatilaka
, N. P. Dhammika Nanayakkara
, M. Uvais
, S. Sultanbawa
, Sinnathamby Balasubramaniam

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

Three triterpenes obtained from the inner bark of Kokoona zeylanica have been identified as friedelin, D:A-friedo-olean-3, 21-dione and 21α-hydroxy- D:A-friedo-olean-3-one by spectroscopic properties and chemical interconversions. Their chemotaxonomic significance is emphasized.

Original language	English (US)
Pages (from-to)	2061-2063
Number of pages	3
Journal	Phytochemistry
Volume	21
Issue number	8
DOIs	https://doi.org/10.1016/0031-9422(82)83043-4
State	Published - 1982
Externally published	Yes

Keywords

21α-hydroxy-D:A-friedo-olean-3-one
Celastraceae
D:A-friedo-olean-3, 21-dione
Kokoona zeylanica
chemotaxonomy.
friedelin
structure elucidation
triterpenoids

ASJC Scopus subject areas

Biochemistry
Molecular Biology
Plant Science
Horticulture

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10.1016/0031-9422(82)83043-4

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@article{4ad5e5dfd46f4174ba9edbfcfee9568a,

title = "Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica",

abstract = "Three triterpenes obtained from the inner bark of Kokoona zeylanica have been identified as friedelin, D:A-friedo-olean-3, 21-dione and 21α-hydroxy- D:A-friedo-olean-3-one by spectroscopic properties and chemical interconversions. Their chemotaxonomic significance is emphasized.",

keywords = "21α-hydroxy-D:A-friedo-olean-3-one, Celastraceae, D:A-friedo-olean-3, 21-dione, Kokoona zeylanica, chemotaxonomy., friedelin, structure elucidation, triterpenoids",

author = "\{Leslie Gunatilaka\}, \{A. A.\} and \{Dhammika Nanayakkara\}, \{N. P.\} and M. Uvais and S. Sultanbawa and Sinnathamby Balasubramaniam",

note = "Funding Information: Acknowledgements-We thank Professor R. H. Thomson (University of Aberdeen)f or MS data; Mrs. S. C. Weerase-kera, Mr. D. V. Ariyapala and P. H. S. S. A de Silva for technicala ssistance.T his programmeh as been supportedi n part by grantsf rom the U.S. Departmento f Agriculturea nd the International Foundation for Science (Sweden). Lever Bros (Ceylon) Ltd. is thanked for a studentship (to N.P.D.N.).",

year = "1982",

doi = "10.1016/0031-9422(82)83043-4",

language = "English (US)",

volume = "21",

pages = "2061--2063",

journal = "Phytochemistry",

issn = "0031-9422",

publisher = "Elsevier Ltd",

number = "8",

}

TY - JOUR

T1 - Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

AU - Leslie Gunatilaka, A. A.

AU - Dhammika Nanayakkara, N. P.

AU - Uvais, M.

AU - Sultanbawa, S.

AU - Balasubramaniam, Sinnathamby

N1 - Funding Information: Acknowledgements-We thank Professor R. H. Thomson (University of Aberdeen)f or MS data; Mrs. S. C. Weerase-kera, Mr. D. V. Ariyapala and P. H. S. S. A de Silva for technicala ssistance.T his programmeh as been supportedi n part by grantsf rom the U.S. Departmento f Agriculturea nd the International Foundation for Science (Sweden). Lever Bros (Ceylon) Ltd. is thanked for a studentship (to N.P.D.N.).

PY - 1982

Y1 - 1982

N2 - Three triterpenes obtained from the inner bark of Kokoona zeylanica have been identified as friedelin, D:A-friedo-olean-3, 21-dione and 21α-hydroxy- D:A-friedo-olean-3-one by spectroscopic properties and chemical interconversions. Their chemotaxonomic significance is emphasized.

AB - Three triterpenes obtained from the inner bark of Kokoona zeylanica have been identified as friedelin, D:A-friedo-olean-3, 21-dione and 21α-hydroxy- D:A-friedo-olean-3-one by spectroscopic properties and chemical interconversions. Their chemotaxonomic significance is emphasized.

KW - 21α-hydroxy-D:A-friedo-olean-3-one

KW - Celastraceae

KW - D:A-friedo-olean-3, 21-dione

KW - Kokoona zeylanica

KW - chemotaxonomy.

KW - friedelin

KW - structure elucidation

KW - triterpenoids

UR - https://www.scopus.com/pages/publications/0006325879

UR - https://www.scopus.com/pages/publications/0006325879#tab=citedBy

U2 - 10.1016/0031-9422(82)83043-4

DO - 10.1016/0031-9422(82)83043-4

M3 - Article

AN - SCOPUS:0006325879

SN - 0031-9422

VL - 21

SP - 2061

EP - 2063

JO - Phytochemistry

JF - Phytochemistry

IS - 8

ER -

Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

Abstract

Keywords

ASJC Scopus subject areas

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