Philippe Durand,* Philippe Peralba, Frédérique Sierra, Patrice Renaut Laboratoires Fournier SA, 50 rue de Dijon, 21121 Daix, France Fax +33(3)80447538; E-mail: p.durand@fournier.fr Received 25 October 1999; revised 6 December 1999 ... Abstract: A new efficient five-step synthesis of the immunosup- pressive agent FTY-720 is described. Key words: FTY-720, immunosuppressive agent, acylations, re- ductions ... We are interested in studying the pharmacological ...