Efficient Preparation of 2,4-Diaminopyrimidine Nucleosides: Total Synthesis of Lysidine and Agmatidine
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An efficient route for the synthesis of 2,4-diaminopyrimidine ribosides from cytidine is described consisting of six steps with overall yields >50% and only one chromatographic step. The key amine addition step utilizes LiCl and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) to ensure clean conversion to a single tautomeric product. This route has been used to prepare the modified tRNA nucleosides lysidine and agmatidine in quantities suitable for structural characterization.
创建时间：
2016-02-20
