173666-23-4Relevant articles and documents
Substituted N-Phenyl-1-(4-Pyridinyl)-1H-Pyrazol-3-Amines
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Page/Page column 16, (2012/07/14)
The present invention relates to N-phenyl-1-(4-pyridinyl)-1H-pyrazol-3-amine derivatives and pharmaceutically acceptable salts thereof, processes for preparing them, pharmaceutical compositions containing them and their use in therapy, according to formula (I) Wherein R1, R2, R3, R4, R5, R6 have the meaning defined in the claims. The invention particularly relates to positive allosteric modulators of nicotinic acetylcholine receptors, such positive allosteric modulator having the capability to increase the efficacy of nicotinic receptor agonists.
Synthesis of 4-substituted 3,3-difluoropiperidines
Surmont, Riccardo,Verniest, Guido,Thuring, Jan Willem,Macdonald, Gregor,Deroose, Frederik,De Kimpe, Norbert
supporting information; experimental part, p. 929 - 932 (2010/07/02)
Synthetic strategies toward 4-substituted 3,3-difluoropiperidines were evaluated. 4-Alkoxymethyl- and 4-aryloxymethyl-3,3-difluoropiperidines were synthesized via 1,4-addition of ethyl bromodifluoroacetate to 3-substituted acrylonitriles in the presence o