Cascade synthesis of selective dihydro pyridazino fused acridinone derivatives via MCM-41 catalyzed ring-opening/ring-closure reaction

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• 作者：Rajiv Karmakar^a ; Asim Bhaumik^b ; Biplab Banerjee^b ; Chhanda Mukhopadhyay^a ; ^{cmukhop@yahoo.co.in}
• 关键词：Isatin ; Phenylhydrazine ; Cyclic-1 ; 3-diketone ; 5 ; 6-Dihydro-5 ; 5-dimethyl-2-phenyl-2H-pyridazino[3 ; 4 ; 5-kl]acridin-1(4H)-one ; MCM-41
• 刊名：Tetrahedron Letters
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：58
• 期：7
• 页码：622-628
• 全文大小：1263 K
• 卷排序：58

文摘

Facile sustainable new methodology for dihydro pyridazino fused acridinone synthesis. MCM-41 as efficient recyclable catalyst. Formation of (CC and exo-cyclic CN) bonds. Catalyst recycled upto eight cycles without loss of activity.