Michel, DominiqueWitschard, MartinSchlosser, Manfred2006-03-032006-03-032006-03-03199710.1002/jlac.199719970311https://infoscience.epfl.ch/handle/20.500.14299/226942RMeCFCONH2 (R = H, cyclohexyl, Ph, 4-ClC6H4, 2-pyridyl) are prepd. by treatment of the corresponding a-hydroxy carboxamides with Et2NSF3. IR spectra argue strongly against the existence of intramol. H bonds between the NH2 group and the F atom. [on SciFinder (R)]Amides Role: PRP (Properties)SPN (Synthetic preparation)PREP (Preparation) (fluoro; lack of intramol. hydrogen bonding in); Hydrogen bond (intramol.; absence in fluoro amides)fluoro carboxamide prepn intramol hydrogen bond; hydroxy amide fluorination diethylaminosulfur trifluorideNo evidence for intramolecular hydrogen bonds in a-fluoro carboxamidestext::journal::journal article::research article