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Communication | Regular issue | Vol 24, No. 6, 1986, pp.1531-1534
Published online, 1st January, 1970
DOI: 10.3987/R-1986-06-1531
Novel Reductive Opening of 5,6-Dihydro-2H-pyran RIng

Janusz Jurczak,* Tomasz Bauer, and Kjell Ankner

*Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, P.O.Box 58, PL-01-224 Warszawa 42, Poland

Abstract

Oxidation of 2-methoxy-5,6-dihydro-2H-pyran derivatives (4 and 5), followed by reduction of the resulting peroxides with sodium borohydride afforded enantiomerically pure open-chained compounds 9, 10, 11, and 12, which can serve as chiral building blocks.