Аннотация:
(R)- and (S)-binaphthyl-2,2’-diols (BINOLs) smoothly react with pentafluoropyridine without racemization to give (R)- and (S)-2,2’- bis(tetrafluoropyridin-4-yloxy)-1,1’-binaphthyls. The 2(6)-positioned pyridine fluorine atoms can be replaced with amino moieties by reactions with amines.