Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 3382-18-1, Name is 6,7-Dimethoxy-3,4-dihydroisoquinoline. In a document type is Article, introducing its new discovery., 3382-18-1
AUXILIARY SILICON IN REGIOSELECTIVE COBALT CATALIZED PROTOBERBERINE SYNTHESES
eta5-Cyclopentadienyl dicarbonyl cobalt catalyzes the cocyclization of 1,2-bis(propargyl)-1,2,3,4-tetrahydroisoquinolines 4b and 5 with alkynes to provide a novel synthetic entry into the tetrahydroprotoberberine nucleus.By judicious choice of trimethylsilyl substituents, regiocontrol in the D-ring can be achieved.Reaction of 4b with benzonitrile in the presence of the catalyst furnishes the rare isoquino<2,1-b>-2,6-naphthyridine framework, also regioselectively.
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Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem