A pair of new atropisomeric cupressuflavone glucosides isolated from Juniperus communis var. depressa

A pair of new atropisomers, ( M)- and ( P)-cupressuflavone 4′- O-β- d-glucoside were isolated from Juniperus Communis var. depressa. Absolute structures and axial configurations were determined using 2D NMR and circular dichroism. A pair of new atropisomers, ( M)- and ( P)-cupressuflavone 4′- O-β- d...

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Bibliographic Details
Published in:Tetrahedron letters 2005-09, Vol.46 (38), p.6533-6535
Main Authors: Inatomi, Yuka, Iida, Naoki, Murata, Hiroko, Inada, Akira, Murata, Jin, Lang, Frank A., Iinuma, Munekazu, Tanaka, Toshiyuki, Nakanishi, Tsutomu
Format: Article
Language:English
Subjects:
Atropisomer
Cupressaceae
Cupressuflavone glucoside
Juniperus communis var. depressa
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Summary:A pair of new atropisomers, ( M)- and ( P)-cupressuflavone 4′- O-β- d-glucoside were isolated from Juniperus Communis var. depressa. Absolute structures and axial configurations were determined using 2D NMR and circular dichroism. A pair of new atropisomers, ( M)- and ( P)-cupressuflavone 4′- O-β- d-glucoside, were isolated from Juniperus communis var. depressa, and their absolute structures and axial configurations were determined using 2D NMR and circular dichroism. These are the first reported stable ( M)- and ( P)-isomers of cupressuflavone glucosides isolated from natural sources.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2005.07.091