A new approach to enantiopure inherently chiral calix[4]arenes: determination of their absolute configurations

Org Lett. 2007 Oct 25;9(22):4447-50. doi: 10.1021/ol701714q. Epub 2007 Sep 26.

Abstract

A new approach to the synthesis of meta-substituted enantiopure inherently chiral calix[4]arenes by introducing L-Boc-proline as dual functions of the chiral auxiliary has been described. Moreover, the absolute configurations of the enantiomers were determined by CD spectra, X-ray crystallographic analysis, and the chemical derivative method.

Publication types

  • Research Support, Non-U.S. Gov't