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Conversion of Propargyl Alcohols to Chloroallenes and Arylalkynes Using the TiCl4/R3N Reagent System

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journal contribution
posted on 15.09.2006, 00:00 by Galla V. Karunakar, Mariappan Periasamy
Whereas the reaction of certain propargyl alcohols with TiCl4 in the presence of tertiary alkylamines gives the corresponding chloroallenes in 37−58% yields, reaction with the tertiary arylamines gives the corresponding arylalkynes in 68−77% yields.