Palladium‐catalyzed carbonylative cyclization of β‐bromo‐α,β‐unsaturated carboxylic acids with 2,2‐dimethylhydrazine leading to 1‐(dimethylamino)‐1H‐pyrrole‐2,5‐diones |
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| Authors: | Yeon Kyu Bae Chan Sik Cho |
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| Affiliation: | Department of Applied Chemistry, Kyungpook National University, Daegu, South Korea |
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| Abstract: | β‐Bromo‐α,β‐unsaturated carboxylic acids are carbonylatively cyclized with 2,2‐dimethylhydrazine under carbon monoxide pressure in THF in the presence of a catalytic amount of a palladium catalyst along with a base to give 1‐(dimethylamino)‐1H‐pyrrole‐2,5‐diones. Copyright © 2014 John Wiley & Sons, Ltd. |
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| Keywords: | β ‐bromo‐α ,β ‐unsaturated carboxylic acids carbonylative cyclization 2,2‐dimethylhydrazine 1‐(dimethylamino)‐1H‐pyrrole‐2,5‐diones palladium catalyst |
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