The Syntheses of Heterocyclic Compounds by the Ternary Condensation of Malononitrile, Salicylaldehyde, and Aliphatic Ketones in the Presence of Ammonium Acetate

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概要

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• Various 2-amino-6-alkyl (or 5,6-dialkyl)-4-aryl-4,5-dihydronicotinonitriles (<B>1</B>) were readily prepared by the ternary condensation of malononitrile, salicylaldehyde (or 3-methoxysalicylaldehyde), and aliphatic ketones in the presence of ammonium acetate. The resulting <B>1</B> was transformed into the corresponding 3-carbamoyl derivatives (<B>3</B>) <I>via</I> their 2-acetamino derivatives (<B>2</B>). In addition, the reaction of <B>3</B> with acetic anhydride led to [2,3-<I>d</I>]pyridopyrimidine derivatives (<B>4</B>).

• 公益社団法人 日本化学会の論文

著者

• Sakurai Akio

  The Institute of Physical and Chemical Research

• Midorikawa Hiroshi

  The Institute of Physical and Chemical Research

• Motomura Yoshito

  The Institute of Physical and Chemical Research

関連論文

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• A Remark on the Ground State of the Asymmetric Anderson Model
• Geometric Configurations of α-Cyano-β-methyl-β-alkylglycidic Esters
• The Syntheses of Heterocyclic Compounds by the Ternary Condensation of Malononitrile, Salicylaldehyde, and Aliphatic Ketones in the Presence of Ammonium Acetate
• The sensitization of rare earth ion luminescence in dilute solutions by (1)benzopyrano(3,4-c)pyridine-4,5(3H)-dione derivatives.
• The Reaction of Ethyl Ethoxymethylenecyanoacetate with Its Hydrazino Derivatives
• The Formation of Pyrazolo[1,5-a]pyrimidine Derivatives
• The Cyclization Products from Acetone with Cyanoacetic Esters
• Thiocyanoacetate. I. Reactions of Thiocyanoacetic Esters with Aldehydes
• Studies on Geometrical Isomerism by Nulear Magnetic Resonance. V. Stereochemistry of 5-Substituted 4-Alkoxycarbonyl-2-carbamoylimino-1,3-oxathiolanes

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