Microwave-assisted synthesis of 8-mercapto-3-methyl-7-alkyl xanthines—an improved method

L Zhang, YJ Zhang

Index: Tetrahedron Letters, , vol. 47, # 5 p. 775 - 778

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Citation Number: 13

Abstract

... Tetrahedron Letters. Volume 47, Issue 5, 30 January 2006, Pages 775–778. ... Condensation of potassium ethylxanthate with 5,6-diamino uracils 9 was proceeded smoothly to produce 8-mercaptoxanthines 7 under microwave irradiation at 120 °C for 10 min (Table 1, 7a–f). This ...