Isopropanol → HCID 67362336, compound

Participants

Reaction Steps

150 mg (0.635 mmol) of 1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid methyl ester, 166.6 mg (0.635 mmol) of triphenylphosphine and 38.16 mg (0.635 mmol) of 2-propanol were dissolved in 1.5 ml of DCM, and then a solution of 0.635 mmol of di(4-chlorobenzyl) azodicarboxylate in 1.5 ml of DCM was added. After stirring at room temperature for 4 h, the mixture was filtered and the solvent removed in vacuo. The obtained crude title compound was used in the hydrolysis step without further purification.

Provenance & Evidence