- Concise Synthesis of alpha-Substituted 2-Benzofuranmethamines and Other 2-Subsituted Benzofurans via alpha-Substituted 2-Benzofuranmethyl Carbocation Intermediates
[作者:WONGSA NIKHOM; SOMMART UBONTA; RITTHIWIGROM THUNWADEE; YAZICI ARIFE; KANOKMEDHAKUL SOMDEJ; KANOKMEDHAKUL KWANJAI; WILLIS ANTHONY C; PYNE STEPHEN G,期刊:Journal of Organic Chemistry, 页码:1138-1148 , 文章类型: Article,,卷期:2013年78-3]
- Propargyl amines 4, where R-3 is aryl, undergo 5-exo-dig cyclization reactions under relatively mild conditions (AgNO3, DMF, 60 degrees C, 1 h) to give 3-amino-2,3-dihydro-2-arylmethylidenebenzofurans 5 (R-3 = aryl). In ...
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