Diastereoselective conjugate addition to 3-(p-tolylsulphinyl) chromone: a route to chiral 2-substituted chroman-4-ones

ST Saengchantara, TW Wallace

文献索引：Saengchantara, Suthiweth T.; Wallace, Timothy W. Journal of the Chemical Society, Chemical Communications, 1986 ,  # 21  p. 1592 - 1595

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被引用次数: 13

摘要

A route to 2-substituted chroman-4-ones based on the ... Published on 01 January 1986. Downloaded by google on 22/02/2016 19:44:03. ... View Article Online / Journal Homepage / Table of Contents for this issue ... To prepare the racemic chromone (l),? 2-bromo-2'-hy- droxyacetophenone4 was treated with the sodium salt of p- thiocresol (ethanol-dioxane, room temp., 1 h), giving 2'-hydroxy-2-(p-tolylthio)acetophenone (2)$ in 83% yield. Oxidation of (2) with rn- ...