Total Synthesis of Three New Dihydrostilbenes from Bulbophllum odoratissimum

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A total synthesis of three new dihydrostilbenes, 1, 2 and 3, which were isolated from Bulbophyllum odoratissimum Lindl. with significant cytotoxicity toward human cancer cell lines,was developed via Horner reaction etc. The natural products 1, 2 and 3 were obtained in 5.8%,6.6% and 5.9%, respectively.
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