A new and convenient approach to heterotetracyclic benzoxazocines through addition of 1,3-dicarbonyl compounds to quinolinium salts |
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| Authors: | Firouz Matloubi Moghaddam Zohreh Mirjafary Salman Taheri |
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| Institution: | a Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, PO Box 11155-9516, Tehran, Iran
b Department of Chemistry, Payame Noor University, Zanjan Branch, Zanjan, Iran |
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| Abstract: | The synthesis of a series of benzoxazocines has been achieved in good yields by tandem C-alkylation and intramolecular O-alkylation of 1,3-dicarbonyl compounds with quinolinium salts. This is a novel example of the synthesis of eight-membered rings via a tandem process, which provides a method for the synthesis of medium-ring heterocycles. |
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