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Complete 13 C and 1 H Spectral Assignments of Prenylated Flavonoids and a Hydroxy Fatty Acid from the Leaves of Caribbean Artocarpus communis
Author(s) -
McLean Stewart,
Reynolds William F.,
Tinto Winston F.,
Chan Wilfred R.,
Shepherd Veronica
Publication year - 1996
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/(sici)1097-458x(199609)34:9<719::aid-omr948>3.0.co;2-q
Subject(s) - chemistry , prenylation , fatty acid , two dimensional nuclear magnetic resonance spectroscopy , stereochemistry , organic chemistry , enzyme
Three prenylated flavonoids and a hydroxy fatty acid were isolated from the leaves of the seedless variety of Artocarpus communis , but only one from the leaves of the seeded variety. Two of these compounds are known to show great promise as pharmaceutical and agricultural chemicals. The 1 H and 13 C NMR spectra were completely assigned by using a combination of 2D NMR experiments which included 1 H– 1 H COSY, HETCOR and FLOCK sequences.