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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4135

Title: Three new tetranortriterpenoids from neem seed oil
Authors: HALLUR, G
SIVRAMAKRISHNAN, A
BHAT, SV
Keywords: indica juss,a. meliaceae
azadirachta-indica
Issue Date: 2002
Publisher: AMER CHEMICAL SOC
Citation: JOURNAL OF NATURAL PRODUCTS, 65(8), 1177-1179
Abstract: Three new tetranortriterpenoids, 1alpha,2alpha epoxy 17beta hydroxyazadiradione (1), 1alpha,2alpha epoxymmolicinol (2), and 7 deacetylnimolicinol (3), have been isolated from a methanol extract of neem oil (Azadirachta indica, seed oil) along with the known compounds epoxyazadiradione, 17beta hydroxyazadiradione, gedunin, nimbin, and nimolicinol (4) Spectral studies and chemical transformations were used to establish the structure of compounds 1-3 The characterization of the epoxides 1 and 2 in neem oil is of biogenetic significance, as they may be considered as intermediates between A ring enones and 1,3 diols among the A indica tetranortriterpenoids.
URI: http://dx.doi.org/10.1021/np0105174
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4135
http://hdl.handle.net/10054/4135
ISSN: 0163-3864
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