Cyclopentanecarbonyl chloride → HCID 9924376, compound

Participants

Reaction Steps

7.0 g (21.6 mmol) of 6-acetamido-3-benzyl-2-hydrazino-3,4-dihydro-quinazolin-4-one (synthesized according to a process described in patent application WO 00/66584) dissolved in glacial acetic acid are placed in a round-bottomed flask equipped with a stirrer and a condenser. Then, 3.15 g (23.8 mmol) of cyclopentylformyl chloride are added in a portionwise manner with stirring. The solution obtained is heated to reflux for 20 min. The solvent is evaporated off under vacuum and the residue is taken up in water.

Provenance & Evidence