Radical Cyclization in Heterocycle Synthesis. 11.1 A Novel Synthesis of α, β-Disubstituted γ-Lactones via Sulfanyl Radical Addition-Cyclization Using Hydroximates as …

O Miyata, A Nishiguchi, I Ninomiya, K Aoe…

Index: Sato, Tatsunori; Wada, Yasuko; Nishimoto, Mami; Ishibashi, Hiroyuki; Ikeda, Masazumi Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1989 , p. 879 - 886

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Citation Number: 47

Abstract

... The Journal of Organic ... 1). 7 The 1 H NMR spectra of the Z- and E-isomers are known to differ mainly in the chemical shifts of the ... 2) and irreversible isomerization of cis-hydroximate 13a to trans-isomer 14a by treatment with sodium ethoxide (Scheme 5). Previously, Ikeda 8 and ...