TRIAZOLYLPIPERIDINE DERIVATIVES AND METHOD FOR MAKING THE SAME
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Dec 13, 2011
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Dec 14, 2010
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Abstract
In a first aspect, the present invention relates to a method for the preparation of alkynylpiperidine and alkynylpiperidine derivatives. In particular, a method is provided for preparing alkynylpiperidine derivatives starting from epoxide compounds. Further, the alkynylpiperidine derivatives according to the present inventions are substituted trans-3-4-alkynylpiperidine derivatives. In another aspect, triazolylpiperidine compounds and methods for said preparation are provided. In particular, the triazolylpiperidine compounds according to the present invention are obtained by reacting an alkynylpiperidine derivatives with an organic azid, preferably, in the presence of a Cu (I) or Ru catalyst. In a preferred embodiment, 1,4-disubstituted or 1,5-disubstituted 1,2,3-triazolylpiperidine compounds are provided.
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