反应详情

A mixture of cis-4,5-bis-(4-chlorophenyl)imidazolidine-2-thione (34) (30 g, 0.0928 mol) and methyl iodide (11.5 mL, 0.186 mol) in abs. EtOH (100 mL) is heated at 90° C. for 8 h. The reaction mixture is cooled to rt, concentrated in vacuo, and the residue triturated with abs EtOH. The insoluble material is filtered to give 32.5 g of the product 51.

1. concentrationconcentrated in vacuo
2. customthe residue triturated with abs EtOH
3. filtrationThe insoluble material is filtered