Tetrahedron Letters

Bis (trimethylsilyl) sulphate catalyzed γ-lactonization of cyclopropanecarboxylates having a carbonyl substituent at cyclopropane α-carbon

Y Morizawa, T Hiyama, H Nozaki

Index: Morizawa, Yoshitomi; Hiyama, Tamejiro; Nozaki, Hitosi Tetrahedron Letters, 1981 , vol. 22, # 24 p. 2297 - 2300

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Citation Number: 24

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The oxa analogue of vinylcyclopropane rearrangement in the title system is carried out under mild conditions with the aid of the silicon Lewis acid catalyst. ... 184 (M + ); IR (neat): 1780, 1740, 1162 cm −1 ; 1 H-NMR (CDCl 3 ): δ 1.34 (t, 3H), 2.0–2.9 (m, 2H), 3.48 (dd, J = 9.6, ...