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Synlett 1990; 1990(6): 353-354
DOI: 10.1055/s-1990-21092
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1,1,1-Trifluoro-3-phenylsulfonyl-2,2-propanediol: A Building Block for Trifluoromethylated and Sulfonylated Heterocycles. Synthesis of 1-Alkyl-3-trifluoromethyl-4-phenylsulfonyl-pyrazoles

Masahiko Takahashi* , Hiroyuki Kotajima
  • *Department of Industrial Chemistry, Faculty of Engineering, Hitachi, Ibaraki 316, Japan
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Publication Date:
08 March 2002 (online)

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1-Alkyl-3-trifluoromethyl-4-phenylsulfonylpyrazoles were prepared from 1,1,1-trifluoro-3-phenylsulfonyl-2,2-propanediol, a new building block for heterocycles having trifluoromethyl and sulfonyl groups.