Pyridine → HCID 178527118, compound

Participants

Reaction Steps

To a suspension, cooled to 0° C., of the product obtained in Step A of Example 13 (250 mg, 0.67 mmol) in 15 ml of THF there are added 109 μl (1.34 mmol) of pyridine and then, dropwise, 72 μl (1.01 mmol) of thionyl chloride dissolved in 3 ml of CH2Cl2. Stirring is carried out at 0° C. for 30 minutes and the mixture is allowed to come back to ambient temperature whilst stirring for a further hour. Evaporation to dryness is carried out and the residue is made more solid by triturating it in water. The precipitate is filtered off to yield the title product.

Provenance & Evidence