The 2-aminoalcohol series of immunosuppressants showed a bell-shaped r
elationship between the activity and the carbon number. The (R)-isomer
s were more potent than the (S)-isomers, and (R)-2-aminohexadecanol di
splayed comparably activity to a potent immunosuppressant, FTY720. Cop
yright (C) 1996 Elsevier Science Ltd