DBpedia – Linked Data Fragments

Matches in DBpedia 2016-04 for { ?s ?p "The Debus-Radziszewski imidazole synthesis is an organic reaction used for the synthesis of imidazoles from a dicarbonyl, an aldehyde, and ammonia. The dicarbonyl component is commonly glyoxal, but can also include various 1,2-diketones and ketoaldehydes. The method is used commercially to produce several imidazoles. The process is an example of a multicomponent reaction.The reaction can be viewed as occurring in two stages. In the first stage, the dicarbonyl and ammonia condense to give an diimine (shown with unusual orientation of N-H groups):Debus-Radziszewski imidazole synthesis part IIn the second stage, this diimine condenses with the aldehyde:Debus-Radziszewski imidazole synthesis part IThis reaction is named after Heinrich Debus and Bronisław Leonard Radziszewski.A modification of this general method, where one equivalent of ammonia is replaced by an amine, affords N-substituted imidazoles in good yields.Arduengo imidazoles↑ ↑ ↑ ↑ ↑"@en }

• Debus-Radziszewski_imidazole_synthesis abstract "The Debus-Radziszewski imidazole synthesis is an organic reaction used for the synthesis of imidazoles from a dicarbonyl, an aldehyde, and ammonia. The dicarbonyl component is commonly glyoxal, but can also include various 1,2-diketones and ketoaldehydes. The method is used commercially to produce several imidazoles. The process is an example of a multicomponent reaction.The reaction can be viewed as occurring in two stages. In the first stage, the dicarbonyl and ammonia condense to give an diimine (shown with unusual orientation of N-H groups):Debus-Radziszewski imidazole synthesis part IIn the second stage, this diimine condenses with the aldehyde:Debus-Radziszewski imidazole synthesis part IThis reaction is named after Heinrich Debus and Bronisław Leonard Radziszewski.A modification of this general method, where one equivalent of ammonia is replaced by an amine, affords N-substituted imidazoles in good yields.Arduengo imidazoles↑ ↑ ↑ ↑ ↑".
• Q904548 abstract "The Debus-Radziszewski imidazole synthesis is an organic reaction used for the synthesis of imidazoles from a dicarbonyl, an aldehyde, and ammonia. The dicarbonyl component is commonly glyoxal, but can also include various 1,2-diketones and ketoaldehydes. The method is used commercially to produce several imidazoles. The process is an example of a multicomponent reaction.The reaction can be viewed as occurring in two stages. In the first stage, the dicarbonyl and ammonia condense to give an diimine (shown with unusual orientation of N-H groups):Debus-Radziszewski imidazole synthesis part IIn the second stage, this diimine condenses with the aldehyde:Debus-Radziszewski imidazole synthesis part IThis reaction is named after Heinrich Debus and Bronisław Leonard Radziszewski.A modification of this general method, where one equivalent of ammonia is replaced by an amine, affords N-substituted imidazoles in good yields.Arduengo imidazoles↑ ↑ ↑ ↑ ↑".