Guru, Murali Mohan ; Ali, Md Ashif ; Punniyamurthy, Tharmalingam (2011) Copper-mediated synthesis of substituted 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles via C–H functionalization/C–N/C–O bond formation The Journal of Organic Chemistry, 76 (13). pp. 5295-5308. ISSN 0022-3263
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jo2005632
Related URL: http://dx.doi.org/10.1021/jo2005632
Abstract
An efficient method for the transformation of N-benzyl bisarylhydrazones and bisaryloxime ethers to functionalized 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles is described. The protocol involves a copper(II)-mediated cascade C–H functionalization/C–N/C–O bond formation under neutral conditions. Substrates having either electron-donating or -withdrawing substituents undergo the cyclization to afford the target heterocycles at moderate temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 106570 |
| Deposited On: | 22 Jun 2017 10:19 |
| Last Modified: | 22 Jun 2017 10:19 |
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