Low temperature dehydrogenation of α-indoline nucleosides
T Chandra, S Zou, KL Brown
Index: Chandra, Tilak; Zou, Shawn; Brown, Kenneth L. Tetrahedron Letters, 2004 , vol. 45, # 41 p. 7783 - 7786
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Citation Number: 19
Abstract
Semi-synthesis/partial synthesis of cobalamins 1 (vitamin B 12 derivatives, Fig. 1) modified in the axial base requires the synthesis of the lower axial ligand for the nucleotide loop. Among others, B3-deaza derivatives (Fig. 1) are of interest because they lack the coordinating nitrogen of the axial base but maintain the remaining structural features of the coenzyme. While many B 12 analogs with altered axial nucleotides can be obtained by 'guided biosynthesis', 2 ...
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