Novel photochemical and thermal electrocyclization to fused quinolines

Abstract
cisoidα-Methoxyiminoketones (1)(α-oxo-oxime ethers) react with N,N-diethylphenylethynamine (2) to give γ-methoxyimino-α,β-unsaturated carboxamides (3)(E+Z); compounds (3) can be converted photochemically, occasionally also thermally, into fused quinoline carboxamides (5).

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