Selective Functionalization of a Single Methylene Bridge of a Calix[6]arene
作者:Norbert Itzhak、Silvio E. Biali
DOI:10.1021/jo1005476
日期:2010.5.21
The monohydroxycalix[6]arene derivative 4a was prepared via photochemical bromination of hexamethoxycalix[6]arene 3a in aq THF. Monohydroxycalix[6]arene 4a and its chloro derivative 5 are useful synthetic intermediates for the preparation of structurally diverse calix[6]arenes functionalized at a single methylene bridge.