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2‐Methylpyridinium salts as 1,4‐dinucleophiles. IV. Westphal condensation with 2‐alkyl‐1‐aminoazinium substrates
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Citations
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References
1990
Year
EngineeringHeterocyclicOrganic ChemistryAbstract CondensationWestphal CondensationChemistryHeterocycle ChemistryHalogenationSynthetic ChemistryEnantioselective SynthesisBiomolecular EngineeringGood Yields
Abstract Condensation of 2‐alkyl‐1‐aminopyridinium, quinolinium or 1‐alkyl‐2‐aminoisoquinolinium salts with 1,2‐acenaphthenequinone or 9,10‐phenanthrenequinone in the presence of base, gave pyrido[1,2‐ b ]pyridazinium salts in good yields.
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