1: 4-pyridinecarboxylic acid chloride With triethylamine in dichloromethane T=0°C; 0.0333333 h; Inert atmosphereMolecular sieve; 2: N-cyclohexylidene-1-phenylmethanamine in dichloromethane T=0 - 20°C; Inert atmosphere;

1.1: thionyl chloride / 2 h / |Inert atmosphere 2.1: triethylamine / dichloromethane / 0.03 h / 0 °C / |Inert atmosphere; |Molecular sieve 2.2: 0 - 20 °C / |Inert atmosphere View Scheme

1.1: dichloromethane / 20 °C / |Inert atmosphere; |Molecular sieve 2.1: triethylamine / dichloromethane / 0.03 h / 0 °C / |Inert atmosphere; |Molecular sieve 2.2: 0 - 20 °C / |Inert atmosphere View Scheme

1.1: dichloromethane / 20 °C / |Inert atmosphere; |Molecular sieve 2.1: triethylamine / dichloromethane / 0.03 h / 0 °C / |Inert atmosphere; |Molecular sieve 2.2: 0 - 20 °C / |Inert atmosphere View Scheme