Are there alternatives to 6-Methoxy-3,4-dihydroisoquinoline hydrochloride (CAS: 93549-15-6) in synthesis?

Alternatives to 6-Methoxy-3,4-dihydroisoquinoline hydrochloride (CAS: 93549-15-6) include its isomers, such as 6-Hydroxy-3,4-dihydroisoquinoline, and related compounds like 6-Acetoxy-3,4-dihydroisoquinoline. Other common reagents for synthesizing similar structures include 1-Methyl-3-indolium chloride and 1-(4-Methoxyphenyl)-3-indolium chloride. These alternatives may offer similar functional groups or structural features with slight variations in reactivity and solubility.