Sodium chlorate as a viable substoichiometric oxidant for cobalt-catalyzed oxidative annulation of aryl sulfonamides with alkynes
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- 作者：You Ran ; Yudong Yang ; yangyudong@scu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Luoqiang Zhang
- 关键词：Cobalt catalysis ; Sultam ; C&ndash ; H activation ; Oxidative annulation
- 刊名：Tetrahedron Letters
- 出版年：2016
- 出版时间：27 July 2016
- 年：2016
- 卷：57
- 期：30
- 页码：3322-3325
- 全文大小：1021 K
文摘
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Synthesis of sultams through cobalt-catalyzed oxidative annulation.
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NaClO3 proved to be a versatile oxidant in C–H activation reaction.
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Moderate to excellent yields with excellent regioselectivity could be obtained.
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A broad scope of functional groups could be tolerant.