Lawesson's reagent → 3-(4-Methyl-benzo[b]thiophen-3-ylmethyl)-imidazo[1,2-a]pyridine-2-thione

Participants

Reaction Conditions

Reaction Steps

A suspension of 475 mg (1.6 mmol) of 3-(4-methyl-benzo[b]thiophen-3-ylmethyl)-imidazo[1,2-a]pyridin-2-one and 525 mg (1.3 mmol) of 2,4-bis-(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide in 20 mL of toluene is heated at 170° C. for 90 minutes under microwave condition. The precipitated solid is collected to give the desired compound.

Provenance & Evidence