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Direct synthesis of N-sulfinyl- and N-sulfonylimines via copper/l-proline-catalyzed aerobic oxidative cascade reaction of alcohols with sulfinamides or sulfonamides
- Zhang, Guofu, Xu, Shengjun, Xie, Xiaoqiang, Ding, Chengrong, Shan, Shang
- RSC advances 2017 v.7 no.16 pp. 9431-9435
- moieties, proline, sulfonamides
- An efficient one-pot synthetic method of N-sulfinyl- and N-sulfonylimines by the condensation of alcohols with sulfinamides or sulfonamides under mild and green conditions has been developed using a combination of CuI, l-proline and TEMPO. This system shows excellent functional group compatibility for a wide range of substrates and affords the corresponding products in good to excellent yields.