Key points are not available for this paper at this time.
The versatile TADDOL moiety has been immobilized for the first time on an inorganic support (highly porous silica gel). This gives access to Ti – Lewis acids (see picture), which turn out to be very efficient in two standard enantioselective reactions. X=OiPr, OTos.
Heckel et al. (Mon,) studied this question.