Routes of spiroacetals derived from chroman-4-one

PJ Cremins, TW Wallace

Index: Cremins, Peter J.; Wallace, Timothy W. Journal of the Chemical Society, Chemical Communications, 1986 , # 21 p. 1602 - 1603

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Abstract

Routes to Spiroacetals derived from Chroman-4-one ... Peter J. Cremins and Timothy W. Wallace” Department of Chemistry and Applied Chemistry, University of Salford, Salford M5 4 WT, U. K. ... Methyl 2-(4'-hydroxybutyl)chromone-3-carboxylate (7) and the derived epoxide (13) undergo spirocyclisation on treatment with iodomethane-potassium carbonate and Lewis acid respectively. ... The 1,7-dioxaspiro[5.5]undecane (spiroacetal) moiety (1) has ...

~97%

~88%

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