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Synthesis of (+)-Epicalyxin F
X. Tian, S. D. Rychnovsky*
University of California, Irvine, USA
19 March 2008 (online)
(+)-Epicalyxin F and (+)-calyxin F are members of a family of polyphenolic natural products isolated from Alpinia blepharocalyx. This synthesis is notable for establishing the correct absolute configuration of (+)-epicalyxin F which is (3S,5S,7R) and is an epimer of (+)-calyxin F at the 5- and 7-position.