Chem. Soc. Rev., 2013, 42,6605-6619 DOI: 10.1039/C3CS60062A, Tutorial Review Keith o Proinsias, Maciej Giedyk, Dorota Gryko Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland E-mail: dorota.gryko@icho.edu.pl Lord Alexander B. Todd wrote: “Vitamin B12turned out to be a substance of frightening complexity“. This review focuses on the chemistry of this complex molecule and its… Continue reading Vitamin B12: chemical modifications