How is Methyl 4-hydroxy-7-phenoxy-3-isoquinolinecarboxylate (CAS: 1455091-10-7) typically synthesized?

Methyl 4-hydroxy-7-phenoxy-3-isoquinolinecarboxylate (CAS: 1455091-10-7) is typically synthesized through a multi-step reaction sequence involving the condensation of a phenoxy derivative with an isoquinoline carboxylic acid. This process often uses a Lewis acid catalyst, such as aluminum chloride, to facilitate the nucleophilic substitution reaction. The final product is obtained with good selectivity and yield, typically around 80%. This compound is often prepared in a laboratory setting for further chemical modification or analysis.