反应详情

The title compound is prepared from 10 g of (6-benzyloxy-4H-benzo[1,4]oxazin-3-one)-glyoxal hydrate and 4.6 g of 1,1-dimethyl-2-(4-hydroxyphenyl)ethylamine analogously to the method for Example 3(a). Yield: 9.0 g (64%, hydrochloride); melting point: 255° C.-258° C.