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Synthesis 1992; 1992(7): 635-637
DOI: 10.1055/s-1992-26182
short paper
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A Convenient Synthesis of Methyl 1-Alkoxy-3-perfluoroalkyl-2-naphthoates

Weiyu Ding* , Jiaqi Pu, Chunming Zhang
  • *Department of Chemistry, Shanghai University of Science and Technology, Jiading, Shanghai 201800, People's Republic of China
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Publication Date:
17 September 2002 (online)

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Methyl 1-alkoxy-3-perfluoroalkyl-2-naphthoates 5 were synthesized by heating appropriately substituted 2-triphenylphosphoranylidene-2-butenoates 3 in xylenes at 250°C in a sealed tube. Compounds 3 were obtained via an intramolecular Wittig reaction of 2-alkoxycarbonylbenzyltriphenylphosphonium bromide (1) with methyl 2-perfluoroalkynoates 2 in the presence of potassium carbonate.