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Studies on the Syntheses of Heterocyclic Compound. DLV. A Synthesis of Protoberberine Derivatives by Vilsmeier-Haack Reaction
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1974
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Same ReactionEngineeringHeterocyclicProtoberberine DerivativesTetrahydroprotoberberine DerivativesOrganic ChemistryHeterocyclic CompoundChemistryHeterocycle ChemistryVilsmeier-haack ReactionDerivative (Chemistry)Synthetic ChemistryBiomolecular Engineering
Vilsmeier-Haack reaction of isoquinolines and 3, 4-dihydroisoquinolines gave tetrahydroprotoberberine derivatives, but the same reaction of tetrahydroisoquinolines resulted in the recovery of starting materials.