Application Starting material for the enantiospecific synthesis of (R)-(+)-Boc-iturinic acid (n-C14),1 the L-aspartic series of thrombin inhibitors,2 and diketopiperazine tetrapeptides.3 Used in the preparation of a novel tricyclic dipeptide mimetic based on a [6H]-azepino indoline nucleus.4 Packaging 25 g in glass bottle