M. Banwell et al., DIASTEREOSELECTIVE SYNTHESIS OF (-)-N-ACETYLNEURAMINIC ACID (NEU5AC) FROM A NONCARBOHYDRATE SOURCE, Journal of the Chemical Society. Perkin transactions. I (Print), (15), 1998, pp. 2251-2252
cis-1,2-Dihydrocatechol 2, a product of microbial oxidation of chlorob
enzene, has been converted into a protected form, 17, of (-)-Neu5Ac (1
) via a fifteen step reaction sequence.