Monleon, Alicia; Blay, Gonzalo; Domingo, Luis R.; Muñoz Roca, María del Carmen; Pedro, José R.(Wiley-VCH Verlag, 2013-10-25)
A very efficient synthesis of 5-halogen-1,3-oxazin-2-ones has been accomplished by the halocyclisation reaction of chiral nonracemic N-carbobenzyloxy (N-Cbz)-protected propargylic amines by using I-2, Br-2 and Cl-2 as ...