The present invention provides methods for preparing compounds useful as modulators of amyloid-beta production. Such compounds are useful for treating or lessening the severity of a neurodegenerative disorder. The present invention also provides intermediates useful in carrying out such synthetic methods. Compounds of this invention are further illustrated by the embodiments, sub-embodiments, and species disclosed herein.La présente invention concerne des procédés de production dun composé de formule (II), ou dun sel dudit composé, acceptable sur le plan pharmaceutique. Dans ladite formule, R1, R2 et L sont tels que définis et décrits dans la demande.