Synthesis of N1-Substituted 1,2,3,6-Tetrahydropyrimidin-2-ones via an Unexpected Reaction of Thiazolo[3,2-a]-pyrimidine Derivatives and Nitrile Oxide |
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| Authors: | Li Xiaofang Yi Pinggui Yu Xianyong |
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| Institution: | Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education, Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China |
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| Abstract: | A new class of N1‐substituted 1,2,3,6‐tetrahydropyrimidin‐2‐ones was prepared in moderate yields by the reaction of nitrile oxide with thiazolo3,2‐a]pyrimidine derivatives via a domino 1,3‐dipolar cycloaddition/ring‐opening/ substitution process. The structures of the products were characterized thoroughly by IR, elemental analysis, MS, NMR together with X‐ray crystallographic analysis. |
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| Keywords: | 1 2 3 6‐tetrahydropyrimidin‐2‐one cycloaddition thiazolo[3 2‐a]pyrimidine nitrile oxide synthesis |
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