Tandem migration-carboalkoxylation of o-isocyanophenyl acetals leading to benzoxazoles.

Tandem migration-carboalkoxylation of o-isocyanophenyl acetals leading to benzoxazoles.
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DOI：
10.1021/ol203175a
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发表时间：
2012-01
期刊：
Organic letters
影响因子：
5.2
通讯作者：
Takashi Okitsu;Kentaro Nagase;N. Nishio;A. Wada
Takashi Okitsu;Kentaro Nagase;N. Nishio;A. Wada
中科院分区：
化学1区
文献类型：
--
作者：
Takashi Okitsu;Kentaro Nagase;N. Nishio;A. Wada

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已经开发出一种通过邻异氰基苯基缩醛的串联迁移-烷氧基化来制备苯并恶唑的有效方法。该反应需要路易斯酸和碱，BF(3)·OEt(2)/2,4,6-可力丁组合是协同转化的最佳选择。
An efficient approach to benzoxazoles via tandem migration-carboalkoxylation of o-isocyanophenyl acetals has been developed. Both a Lewis acid and base are essential for this reaction, and the BF(3)·OEt(2)/2,4,6-collidine combination is the best choice for cooperative transformation.