Journal
SYNLETT
Volume 33, Issue 11, Pages 1071-1074Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0041-1737457
Keywords
procyanidin; Lewis acid; condensation; epicatechin gallate; natural products
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Funding
- JSPS KAKENHI [18K05454]
- Grants-in-Aid for Scientific Research [18K05454] Funding Source: KAKEN
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This study investigated the Lewis acid mediated self-condensation of epicatechin gallate derivative. It was found that Yb(OTf)3 provided a good yield of dimeric epicatechin gallate derivative, which was then used for the synthesis of procyanidin B2 3,3''-digallate.
Lewis acid mediated self-condensation of epicatechin gallate derivative was examined. We found that Yb(OTf)(3) afforded good yield of the dimeric epicatechin gallate derivative. The condensed product was applied to the synthesis of procyanidin B2 3,3 ''-digallate.
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