- STUDIES ON AMINO ACIDS AND PEPTIDES-I SYNTHESIS OF N-BENZYLOXYCARBONYLENDOTHIODIPEPTIDE ESTERS
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N-Benzyloxycarbonylendothiodipeptide esters, 3, are synthesized without racemization from the corresponding N-benzyloxycarbonyldipeptide esters, 2, using 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide, 1, as thionation reagent.The benzyloxycarbonyl amino-protecting group (Z) is removed from 3 by using HBr-AcOH.
- Clausen, K.,Thorsen, M.,Lawesson, S.-O.
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p. 3635 - 3639
(2007/10/02)
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