Poly(N,N′-dibromo-N-ethyl-benzene-1,3-disulfonamide), N,N,N′,N′-tetrabromobenzene-1,3-disulfonamide as new reagents for conjugate addition of indole, pyrrole with α,β-unsaturated ketones |
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| Authors: | R Ghorbani-Vaghei S Hajinazari M Engashte |
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| Institution: | 1. Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, 65174, Hamedan, Iran
2. Payame Noor University, Hamedan, Iran
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| Abstract: | Poly(N,N??-dibromo-N-ethyl-benzene-1,3-disulfonamide) PBBS] and N,N,N??,N??-tetrabromobenzene-1,3-disulfonamideTBBDA] were used as efficient reagents for conjugate addition of indole and pyrrole with ??,??-unsaturated ketones and also, double-conjugate 1,4-addition of indoles to dibenzylidenacetones. |
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