Nifedipine is prepared by means of the Hantzsch pyridine synthesis. Suggest a synthesis of Nifedipine which utilizes an aldehyde as one of the starting materials. Also, outline the general reaction mechanism of the Hantzsch pyridine synthesis.

SOLVED:Propose curly arrow mechanism for the reaction shown below (part of a 'Kronke pyridine synthesis"). Hint: use of 1SN-labelled NHAOAc resulted in ISN-labelled product (20)NHAOAc AcOH 120 'CSPhSPh

PPT - The Synthesis of Pyridine; Over a Century of Research PowerPoint Presentation - ID:3663825

Making Stinky Pyridine from Vitamin B3

SOLVED: Provide the major product(s) that you would obtain in the following reactions:CHsCHzOH pyridineSOClzOHCHgO CHaNHzNHz

The relative rates of the reactions of 2−,3−, and 4 -chloropyri... | Filo

The main product of the following reaction is: C6H5CH2CH(OH)CH(CH3)2 conc.H2SO4