available (R)- or (S)-epichlorohydrin has been developed. The key-step of these syntheses involves the selective substitution of the methylene chlorine atom by benzoate on a mixture of and or of their enantiomers, followed by crystallization of the corresponding cis-benzoates, (2S,4R)-18 or (2S,4S)-18, from which (+)- or (−)-1 were obtained as described for (±)-1. The ee's of (+)- and (−)-ketoconazole
KETOCONAZOLE-DERIVATIVE ANTAGONIST OF HUMAN PREGNANE X RECEPTOR AND USES THEREOF
申请人:Mani Sridhar
公开号:US20110105522A1
公开(公告)日:2011-05-05
The application discloses ketoconazole derivatives that are antagonists of the human pregnane X receptor (PXR), methods of preparing the derivatives, uses of the derivatives with drug therapy, and methods of inhibiting tumor cell proliferation and multidrug resistance using inhibitors of PXR.