Triterpenes and a coumarin derivative from Kibatalia gitingensis (Elm.) Woodson

Triterpenes and a coumarin derivative from Kibatalia gitingensis (Elm.) Woodson

Chemical investigations of the dichloromethane extracts of Kibatalia gitingensis (Elm.) Woodson afforded ursolic acid (1), squalene (2), α-amyrin acetate (3) and lupeol acetate (4) from the leaves, while the twigs yielded 1-4 and 6-hydroxy-7-methoxycoumarin or isoscopoletin (5). The structures of 1...

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Bibliographic Details
Main Authors: Ragasa, Consolacion Y., Ng, Vincent Antonio S., de Los Reyes, Mariquit M., Mandia, Emelina H., Shen, Chien Chang
Format: text
Published: Animo Repository 2014
Subjects:
Kibatalia > Analysis
Terpenes
Coumarins
Chemistry
Online Access:https://animorepository.dlsu.edu.ph/faculty_research/1226
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Institution: De La Salle University
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Summary:Chemical investigations of the dichloromethane extracts of Kibatalia gitingensis (Elm.) Woodson afforded ursolic acid (1), squalene (2), α-amyrin acetate (3) and lupeol acetate (4) from the leaves, while the twigs yielded 1-4 and 6-hydroxy-7-methoxycoumarin or isoscopoletin (5). The structures of 1 and 5 were elucidated by extensive 1D and 2D NMR spectroscopy, while 2-4 were identified by comparison of their 13C NMR data with those reported in the literature.

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