N'-Hydroxy-2-methylpropanimidamide → HCID 67125514, compound

Participants

Reaction Steps

0.9 mL (0.45 mmol) Zinc(II)chloride (0.5 M solution in THF) is added dropwise to a mixture of 40.7 mg (0.15 mmol) (S)—N-{1-[4-(1-cyano-piperidin-4-yl)-phenyl]-ethyl}-acetamide (XXVII.1) and 30.6 mg (0.30 mmol N′-hydroxy-2-methylpropanimidamide in 12 mL ethylacetate. The mixture is stirred for 12 h at rt. After that the solvent is removed in vacuo and 15 mL ethanol and 2 mL conc. HCl solution are added. The mixture is refluxed for 3 h. Subsequently the mixture is concentrated, water is added and the precipitate is collected and washed with water to yield the desired product.

Provenance & Evidence