A one-step, enantioselective reduction of ethyl nicotinate to ethyl nipecotinate using a constrained, chiral, heterogeneous catalystElectronic supplementary information (ESI) available: 1H, 13C and 31P NMR spectroscopic data for the ferrocenyl precursor 2, the anchored heterogeneous catalyst and the silsesquioxane-bound homogeneous catalyst. See http://www.rsc.org/suppdata/cc/b0/b005689h/
Abstract
A chiral