Construction of 1-Naphthols via Benzannulation Based on the Reaction of Aryl <i>tert</i>-Butyl Ynol Ethers with Ynamides or Ynol Ethers
作者:Yihui Bai、Jing Yin、Zhicheng Liu、Gangguo Zhu
DOI:10.1021/acs.joc.5b01858
日期:2015.10.16
A new version of benzannulation featuring the use of aromatic tert-butyl ynol ethers as the convenient precursors for arylketenes has been developed. Both ynamides and ynol ethers undergo this reaction smoothly, giving 3-amino and 3-alkoxy 1-naphthols in good to excellent yields under the heated reaction conditions. The high efficiency, excellent regioselectivity, good functional group compatibility
已开发出一种新版本的苯并环乙烷,其特征在于使用芳族叔丁基ynol醚作为芳基烯酮的便捷前体。炔酰胺和炔醇醚均能顺利进行该反应,在加热的反应条件下,以良好或极好的收率得到3-氨基和3-烷氧基1-萘酚。高效,出色的区域选择性,良好的官能团相容性和广泛的底物范围使该反应对于有机合成特别有价值。