Citation: Sk. Khadeer Pasha, V. S. V. Satyanarayana, A. Sivakumar, K. Chidambaram, L. John Kennedy. Catalytic applications of nano β-PbO in Paal-Knorr reaction[J]. Chinese Chemical Letters, ;2011, 22(8): 891-894. doi: 10.1016/j.cclet.2010.12.053 shu

Catalytic applications of nano β-PbO in Paal-Knorr reaction

a Physics Division, School of Advanced Sciences, VIT University, Vellore 632014, India;
b Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632 014, India

Received Date: 27 October 2010

Several 2,5-dimethyl-N-substituted pyrroles were prepared by the condensation of different substituted anilines with 2,5-hexanedione using nano lead oxide as an efficient and recyclable catalyst. All the synthesized compounds are confirmed through IR, ¹H NMR, ¹³C NMR and mass spectral data. Nano lead oxide β-PbO (P85) was prepared by dissolving lead acetate dihydrate in 1-propanol at a pH 9.0 under stirring at 85 ℃. The structural study and surface morphology of the lead oxide (PbO) were characterized using X-ray diffraction (XRD), Scanning electron microscopy (SEM) and the functional groups of the PbO sample were investigated using infrared spectrophotometer.
- 2,5-Dimethyl-N-substituted pyrroles,
- Nano β-PbO,
- Spectral data,
- Catalyst characterization
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