HCID 21922915, compound → HCID 178478734, compound

Participants

Reaction Conditions

Reaction Steps

342 mg of the product obtained in Stage 1 above and 428 mg of trans-1,4-diaminocyclohexane are mixed together and the reaction medium is heated to approximately 140° C. for 4 hours and 30 minutes. After evaporating the solvent, chromatography on silica is carried out eluting with methylene chloride/methanol/ammonium hydroxide in a proportion of 85/15/1.5, followed by taking up in an ethanolic solution of hydrochloric acid, leaving to crystallize, separating, drying under reduced pressure and 281.6 mg of expected product is recovered.

Provenance & Evidence