3,5-Dilithiated tertiary thiophene 2-carboxamide. Regioselective entries into diversely substituted thiophenes |
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| Authors: | E.G. Doadt V. Snieckus |
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| Affiliation: | The Guelph-Waterloo Centre for Graduate Work in Chemistry University of Waterloo, Waterloo, Canada N2L 3G1 |
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| Abstract: | ![]()
3,5-Dilithiated N,N-diethyl thiophene 2-carboxamide (3) undergoes reaction with a single electrophile in excess, or two different electrophiles in tandem, to give 2,3- and 2,3,5-substituted thiophene derivatives (4). |
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