3382-18-1, Name is 6,7-Dimethoxy-3,4-dihydroisoquinoline, belongs to isoquinoline compound, is a common compound. Formula: C11H13NO2In an article, once mentioned the new application about 3382-18-1.
Methyllithium reacted with oxyberberine, affording on alkaline work-up a compound with an exomethylene group at C-8 that was transformed in acidic media into an 8-methylberberinium salt.The iminium salt was reduced to a mixture of racemic alpha- and beta-8-methylcanadine. 5,6-Dihydro-8H-isoquino<2,1-b><2,7>naphthyridin-8-ones were similarly transformed into 8-exo-methylene and 8-methyl derivatives, which were subjected to further reduction.These reactions have been employed in a synthesis of the Alangium alkaloid, (+/-)-alamandrine.
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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H2343N – PubChem