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S. Chan-drasekhar, Ch. Narsihmulu, G. Chandrasekhar, T. Shyamsunder, “Pd/CaCO3 in Liquid Poly(Ethylene Gly- col) (PEG): An Easy and Efficient Recycle System for Partial Reduction of Alkynes to Cis-Olefins under a Hy- drogen Atmosphere,” Tetrahedron Letters, Vol. 45, No. 11, 2004, pp. 2421-2423. doi:10.1016/j.tetlet.2004.01.097

has been cited by the following article:

• TITLE: Poly Ethylene Glycols (PEG) and Micelles as Efficient Catalysts for the Oxidation of Xanthine Derivatives under Conventional and Non-Conventional Conditions

  AUTHORS: Somannagari Shylaja, Kola Ramesh, Pochampally Giridhar Reddy, Kamatala Chinna Rajanna, Pondichery Kuppuswamy Saiprakash

  KEYWORDS: Oxidation, Xanthine Alkaloids, One And Two Electron Oxidizing Agents, Poly Ethylene Glycols (PEG), Micelle Forming Surfactants, Catalysts, Microwave Irradiations

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.1 No.4, December 8, 2011

  ABSTRACT: Oxidation of Xanthine alkaloid have been studied with various one and two electron oxidizing agents using PEGs and micelle forming surfactants. The reaction is too sluggish in solution phase, but moderately fast in presence of PEGs and micelles. However, the reactions are dramatically enhanced under microwave irradiations. Present protocol has several advantages, such as solvent-free conditions, during work-up, fast reaction times, high yields, eco-friendly operational and experimental simplicity, readily available additives as catalysts.