A convenient synthesis of substituted 2,2′:6′,2″-terpyridines |
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| Authors: | Alexander Gehre Brian Tarbit |
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| Affiliation: | a School of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
b Vertellus Specialities (UK) Ltd, Seal Sands Road, Seal Sands, Middlesbrough TS2 1UB, UK |
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| Abstract: | The 2,2′:6′,2″-terpyridines 7a-c were prepared in good yield by reacting α-acetoxy-α-chloro-β-keto-esters 3a-c with bis-amidrazone 4 and 2,5-norbornadiene 6 in ethanol at reflux. Compounds 3a and 3b gave the 2,2′:6′,2″-terpyridines 9a and 9b, respectively, in moderate yield when treated with compound 4 and enamine 8. |
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| Keywords: | 2,2&prime :6&prime ,2&Prime -Terpyridines Aza Diels-Alder reaction 1,2,4-Triazines |
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