SCHEDULED MAINTENANCE
A new method was developed for the synthesis of (2R)- and (2S)-2,3-dimethylbutyl p-tolyl sulphone from a chiral sulphinate ester, and applied to the synthesis of (24S)-1α-hydroxyvitamin D2; this new 24-epimer of vitamin D2 has a distinct biological activity profile, differing qualitatively from that known for the (24S)-isomer.
K. L. Perlman, H. K. Schnoes and H. F. DeLuca, J. Chem. Soc., Chem. Commun., 1989, 1113 DOI: 10.1039/C39890001113
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