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KAl(SO4)2.12H2O Supported on Silica gel Catalyzed Coupling of 4- Hydroxyproline with Isatins, 11H-Indeno[1,2-b]quinoxalin-11-ones, Quinones and 9H-Fluoren-9-one: An Efficient Synthesis of Some Interesting Pyrroles

Journal: Letters in Organic Chemistry
Volume: 5 Issue: 7 Year: 2008 Page: 566-568
Author(s): Ali R. Karimi, Ali A. Mohammadi