Abstract
AbstractThe title compounds were prepared by four different routes: (1) reaction of cycloalkanopyridazines 3a–e with trichloroacetonitrile in basic medium; (2) reaction of 3a–d with DMF DMA, followed by nucleophilic treatment with a primary amine; (3) reaction of 2‐(dimethylamino)methylene‐cycloalkylidene‐malononitrile with arene diazonium salt, followed by amine treatment; (4) reaction of cycloalkylidenemalononitrile with phenyl or benzoyl isothiocyanate and heating the product with diazoaminobenzene. © 2003 Wiley Periodicals, Inc. Heteroatom Chem 14:427–433, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.10168
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