A convenient, mild method for the cyclization of 3-and 4-arylalkanoic acids via their trifluoromethanesulfonic anhydride derivatives

B Hulin, M Koreeda

Index: Hulin, Bernard; Koreeda, Masato Journal of Organic Chemistry, 1984 , vol. 49, # 1 p. 207 - 209

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Citation Number: 31

Abstract

173-174 (173-175)'a Yields of the distilled or recrystallized material. Reported melting points are given in parentheses. The reaction was stopped after 6 h at-78" C. a Reference 6. e Reference 7. Reference 8. Reference 9. Reference 10. The product ratio was determined by 360-MHz NMR. See also ref 3a. I Reference 11.'Reference 12.