A series of unsaturated alpha-amino alcohols were prepared via the allylboration of the corresponding N-protected alpha-amino ketones. The reactions are stereoselective, producing the syn isomers. The diastereoselectivity is not dramatically effected by the electronic nature of the N-protecting group or the reaction temperature but is dependent on the steric requirements of the N-protecting group and the solvent system.
(EN) Novel formulations, processes for their preparation and their use in solid phase synthesis.(FR) L'invention porte sur de nouvelles formulations, leurs procédés de préparation et leur utilisation dans la synthèse en phase solide.