Synthesis of Unsymmetrical Annulated 2,2’-Bipyridine Analogues with Attached Cycloalkene and Piperidine Rings via Sequential Diels-Alder Reaction of 5,5’-bi-1,2,4-triazinesâ€
Synthesis of bisfunctionalized unsymmetrical 2,2’-bipyridines 8 or their sulfonyl derivatives 12a,b are described. They were prepared via the Diels-Alder reaction of 1-methyl-4-pyrrolidin-1-yl-1,2,3,6-tetrahydropyridine (6) with 3,3’-bis(methyl- sulfanyl)-5,5’-bi-1,2,4-triazine (1). T...
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| Format: | Article |
| Language: | English |
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MDPI AG
2005-12-01
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| Series: | Molecules |
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| Online Access: | http://www.mdpi.com/1420-3049/10/1/265/ |