GRAPHICAL ABSTRACT
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Abstract
The polarities of 2-chloro-N-(2-((diphenylphosphoryl)methyl)phenyl)acetamide and 2-chloro-N-(2-((diphenylthiophosphoryl)methyl)phenyl)acetamide were determined, and conformational analysis of these was carried out by the method of dipole moments and quantum chemical calculations. The formation of intramolecular hydrogen bond Р˭O…НN or Р˭S…НN in these acetamides is possible.