The chemistry of small‐ring compounds. Part 38. The transient existence of 1‐(<i>p</i>‐anisyl)cyclopropyl cation

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<jats:title>Abstract</jats:title><jats:p>A cyclopropyl cation, stabilized by a <jats:italic>p</jats:italic>‐anisyl group<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#note3" /><jats:fn><jats:p>Anisyl = methoxyphenyl.</jats:p></jats:fn> , turns out to be an intermediate in the alcoholysis of 1‐(<jats:italic>p</jats:italic>‐anisyl)cyclopropyl halides. In other reactions with nucleophiles substitution products are also formed predominantly without ring rupture.</jats:p><jats:p>The influence of the solvent, nature of nucleophiles and added salts on reaction rates and product distributions support an S<jats:sub>N</jats:sub>1 type mechanism.</jats:p>

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