Department of Chemistry, University College London, Christopher Ingold Laboratories, 20 Gordon Street, London, UK WC1H 0AJ.
Org Biomol Chem. 2009 Nov 7;7(21):4349-51. doi: 10.1039/b911098d. Epub 2009 Aug 25.
The regioselective 1,3-dipolar cycloaddition of alpha-bromo-pentafluorophenyl vinylsulfonate with nitrile oxides has been used to rapidly access a range of 3,5-isoxazoles which could be converted directly to their corresponding sulfonamides.
α-溴-五氟苯基乙烯砜与腈氧化物的区域选择性 1,3-偶极环加成反应已被用于快速构建一系列 3,5-异恶唑,这些异恶唑可以直接转化为相应的磺酰胺。