(untitled) - Mickel,S.J.; Niederer,D.; Daeffler,R.; Osani,A.; Kuesters,E.; Schmid,E.; Schaer,K.; Gamboni,R.; Chen,W.; Loeser,E.; Kinder,F.R.; Konigsberger,K.; et al. (Org. Process Res. Dev., 2004)