Nucleosides, Nucleotides & Nucleic Acids 2005-01-01

Nucleosides and nucleotides. 232. Synthesis of 2'-C-methyl-4'-thiocytidine: unexpected anomerization of the 2'-keto-4'-thionucleoside precursor.

Daisuke Kaga, Noriaki Minakawa, Akira Matsuda

文献索引：Nucleosides Nucleotides Nucleic Acids 24(10-12) , 1789-800, (2005)

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摘要

The synthesis of 2'-C-methyl-4'-thiocytidine (16) is described. Since the 2'-keto-4'-thiocytidine derivative 2beta unexpectedly isomerized to 2alpha and the methylation of 2beta proceeded predominantly from the less hindered alpha-face to give 7, the desired product 16 was synthesized via the Pummerer reaction of the sulfoxide 14 and N4-benzoylcytosine.

相关化合物

  • N4-苯甲酰胞嘧啶

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