Absolute configurations of tubulin inhibitors taltobulin (HTI-286) and HTI-042 characterized by X-ray diffraction analysis and NMR studies
作者:Chuansheng Niu、Douglas M. Ho、Arie Zask、Semiramis Ayral-Kaloustian
DOI:10.1016/j.bmcl.2010.01.047
日期:2010.3
The stereochemistry of the tubulin inhibitors taltobulin HTI-286 (2) and HTI-042 (3) was determined by utilizing the DPFGSE 1D NOE experiment. Single crystal X-raydiffraction analysis further confirmed the absoluteconfiguration of these two compounds, which carry the (S,S,S)-configuration necessary for biological activity.