The Chemisty of Acylated Quinone Imine Ketals. Nucleophilic and Organolithium Addition Reactions
Acylated quinone imine ketals are readily available via anodic oxidation of p-methoxybenzanilides and p-methoxyacetanilides.These compounds react with a variety of nucleophiles to give the corresponding substituted 2- and/or 3-substituted-4-methoxyanilide
Swenton, John S.,Bonke, Brian R.,Clark, William M.,Chen, Chung-Pin,Martin, Kevin V.
p. 2027 - 2034
(2007/10/02)
Investigation of the Synthesis of Benzoxazole via Aryne Reaction
The reaction of o- and m-halobenzamides under aryne-forming conditions yielded the corresponding o-hydroxyphenyl amidines instead of the expected benzoxazole derivatives.The amidines, however, were converted to the corresponding benzoxazole either by sublimation or acidic hydrolysis.Evidence is presented that benzoxazoles are initially formed in these reactions but are readily aminated to the corresponding hydroxyphenyl amidines under the highly basic reaction conditions used in these aryne-forming reactions.
El-Sheikh, Mustafa I.,Marks, Alan,Biehl, Edward R.
p. 3256 - 3259
(2007/10/02)
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