Synthesen mit nitrilen XXXI / Syntheses with nitriles, XXXI

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Abstract
Tetracyanoethylene was added to dihydroresorcine and dimethyldihydroresorcine which yielded 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3,4,4-tricarbonitriles by cyclization. Dimethyl-dihydro-resorcine-monoimine together with tetracyanoethylene eliminated HCN and resulted in a 7,7-dimethyl-tetrahydro-quinoline derivative. The structures were proved by alkaline degradation and by IR- and NMR-spectroscopy

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