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Cp2ZrCl2-catalyzed synthesis of 2-aminovinyl benzimidazoles under microwave conditions |
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| Authors: | Qi Sun Cheng-Jun Wang Shan-Shan Gong Yong-Jian Ai Hong-Bin Sun |
| Institution: | a Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China; b Department of Chemistry, Northeastern University, Shenyang 110819, China |
| Abstract: | A microwave-assisted general method for the synthesis of 2-aminovinyl benzimidazoles has been developed. Treatment of the 1,2-phenylenediamines and N-arylated/N,N-dialkylated 3-aminoacroleins with bis(cyclopentadienyl)zirconium(IV) dichloride (Cp2ZrCl2) as the catalyst under microwave irradiation for 3-5 min followed by in situ MnO2 oxidation afforded thirteen 2-aminovinyl benzimidazoles in good yields. |
| Keywords: | Benzimidazoles " target="_blank">2ZrCl2zz'')" href="#"> Cp2ZrCl2 3-Aminoacroleins Microwave |
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