Synthesis p. 275 - 277 (1991)
Update date:2022-09-26
Topics:
Peterson
Do
Rogers
A four-step synthesis of the Bristol-Myers' precursor, ethyl rel-(3R,4R)-6,7-methylenedioxy-1-oxo-4-(3,4,5-trimethoxyphenyl)-1,2,3 ,4-tetrahydronaphthalene-3-carboxylate, to (±)-podophyllotoxin is described in 40% overall yield from ethyl 3,4,5-trimethoxy
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