Glaser Coupling of 4-Ethynyl[2.2]paracyclophane: The Formation of Two Diastereomers
作者:Henning Hopf、Ina Dix、Vitaly Raev、Ludger Ernst
DOI:10.1002/ejoc.201101495
日期:2012.3
Glaser coupling of 4-ethynyl[2.2]paracyclophane (1) led to a mixture of dimers that could not be separated by either chromatographic or chemical methods. That two diasteromers of the dimer 2 were produced in a 7:3 ratio was demonstrated by the resolving power of modern NMR spectroscopy.