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Synthesis of (±) epipentenomycin I and III

✍ Scribed by Weerachai Phutdhawong; Stephen G. Pyne; Apiwat Baramee; Duang Buddhasukh; Brian W. Skelton; Allan H. White

Book ID
104251608
Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
101 KB
Volume
43
Category
Article
ISSN
0040-4039

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✦ Synopsis

A synthesis of (±) epipentenomycin I and III is reported from a regioselective epoxidation of racemic 3-hydroxy-and 3-acetoxy-2-methylene-4-cyclopentenone, respectively, with dimethyldioxirane followed by hydrolytic ring-opening of the resulting epoxide.

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pu-t o f project No. SR 2.120.0!, ctf the Schweizerischer Nak~oitalfonds. Financial .4-GEIGY S.A., Easel, is gratefully aclinowlctlgcd. Finally we wish t o thank S A A ~D O Z AG fur t h e gift of computer time. :Ippendix. Table 4 lists t h c analysis of the vilrational fine structure ol ba~icls &,