Thionyl Chloride → 7-(Benzyloxy)-4-chloro-6-methoxyquinazoline hydrochloride

Participants

Reaction Steps

A mixture of 7-benzyloxy-6-methoxy-3,4-dihydroquinazolin-4-one (2.82 g, 0.01 mol), (prepared as described for the starting material in Example 4), thionyl chloride (40 ml) and DMF (0.28 ml) was stirred and heated at reflux for 1 hour. The mixture was evaporated, the residue was taken up in toluene and evaporated to dryness to give 7-benzyloxy-4-chloro-6-methoxyquinazoline hydrochloride (3.45 g).

Provenance & Evidence