Structure elucidation and NMR assignment
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Wei Li; Shisheng Wang; Jiatao Feng; Yuansheng Xiao; Xingya Xue; Hui Zhang; Yaqin
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Article
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2009
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John Wiley and Sons
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English
⚖ 275 KB
## Abstract Thirteen curcuminoids (1–13) were isolated from the rhizomes of __Curcuma longa__. Among them, 1,5‐dihydroxy‐1,7‐bis(4‐hydroxyphenyl)‐4,6‐heptadiene‐3‐one (1), 1,5‐dihydroxy‐1‐(4‐hydroxy‐3‐methoxyphenyl)‐7‐(4‐hydroxyphenyl)‐4,6‐heptadiene‐3‐one (2), 1,5‐dihydroxy‐1‐(4‐hydroxyphenyl)‐7‐(