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Silica Sulfuric Acid-Catalyzed Reaction of 4-Hydroxy Proline with 11H-Indeno[1,2-b]quinoxalin-11-one and Isatin Derivatives: A Novel Synthesis of New Pyrrole Compounds

Javad Azizian*, Ali Reza Karimi, Zahra Kazemizadeh, Ali A. Mohammadi, Mohammad R. Mohammadizadeh
Chemistry Department, Shahid Beheshti University, Postal Code 1983963113, Tehran, Iran
Fax: +98(21)2401765; e-Mail: J-Azizin@cc.sbu.ac.ir;