Hydrochlorination of 2,3-acetylenic acids with thionyl chloride in dimethylformamide
The reaction of 2,3-acetylenic acids (1a-d) with thionyl chloride in DMF under mild conditions gave E,Z-3-chloro-2-alkenoic acids (2a-d) or esters (3a-d) depending on treating the reaction mixture with either water or alcohols.
Urdaneta, Neudo A.,Herrera, Julio C.,Salazar, Jose,Lopez, Simon E.
p. 3003 - 3009
(2007/10/03)
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