2004 Pyrrole derivatives

Pyrrole derivativesR 0120 Pyrrole Synthesis in Ionic Liquids by Paal—Knorr Condensation under Mild

Conditions. — The cyclocondensation of hexa-2,5-dione (I) with primary amines pro-ceeds highly efficiently in ionic liquid giving pyrroles in excellent yields. — (WANG, B.; GU, Y.; LUO, C.; YANG, T.; YANG*, L.; SUO, J.; Tetrahedron Lett. 45 (2004) 17, 3417-3419; State Key Lab. Oxo Synth. Sel. Oxid., Lanzhou Inst. Chem. Phys., Chin. Acad. Sci., Lanzhou 730000, Gansu, Peop. Rep. China; Eng.) — Mais

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