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Synthesis of Imidazo[2,1‐a]isoquinolines from α‐Tosyloxyketones and 1‐Aminoisoquinoline in Ionic Liquid Solvent |
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| Authors: | Rei‐Sheu Hou Huey‐Min Wang Hsin‐Yu Huang Ling‐Ching Chen |
| Abstract: | The room temperature ionic liquid n‐butylpyridinium tetrafluoroborate (BPyBF4) is used as a ‘green’ recyclable alternative to classical molecular solvents for the cyclocondensation of α‐tosyloxyketones with 1‐aminoisoquinoline to prepare imidazo[2,1‐a]isoquinolines in good yields. |
| Keywords: | Ionic liquid solvent Cyclocondensation 1‐Aminoisoquinoline |