Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 21, Issue 28, Pages 9988-9993Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201501184
Keywords
aerobic oxidation; alcohols; cyclocondensation; green chemistry; nitrogen heterocycles
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Funding
- ZJNSF for Distinguished Young Scholars [R14B020009]
- NNSFC [20902070]
- 580 Oversea Talents Program of Wenzhou City
- Undergraduate Training Program for Innovation and Pioneering of Wenzhou University [JWDC2013043, JW2015130]
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tBuONa-catalyzed direct aerobic oxidative cyclocondensation reactions of readily available alcohols and o-thio/hydroxy/aminoanilines under air have been developed and provide an efficient, practical, and green method for the synthesis of benzazoles. Mechanistic studies revealed that o-substituted anilines promote the initial aerobic alcohol-oxidation step, which explains the high reactivity and success of this unexpectedly simple and practical cyclocondensation method.
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