Rhodium-catalyzed decarboxylative cycloaddition route to substituted anilines
A convenient method for preparing substituted anilines via a Rh-catalyzed [2 + 2 + 2] cycloaddition reaction of diynes and 2-oxazolone was discovered. The initial cycloaddition adducts undergo facile decarboxylation of carbon dioxide to afford aniline products. Reaction conditions are mild, and only 3 mol % Rh catalyst is required. High regioselectivity was observed when an unsymmetrical diyne was used as a starting material.
Zhang, Kainan,Louie, Janis
experimental part
p. 4686 - 4691
(2011/07/08)
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