Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... This letter describes a new synthesis of the HIV-protease inhibitor nelfinavir. The synthesis features a selective opening of a d-tartaric acid-derived cyclic sulfate with nitrogen nucleophiles. ... The epoxy-oxazoline 3 could be synthesized from aminoalcohol intermediate 4 which contains the oxazoline ...