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Generation and Trapping Reactions of a Formal 1:1 Complex between Singlet Carbon and 2,2′-Bipyridine

✍ Scribed by Robert Weiss; Silvia Reichel; Matthias Handke; Frank Hampel

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
147 KB
Volume
37
Category
Article
ISSN
0044-8249

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✦ Synopsis

The structural element of a protonated imidazolium system was realized for the first time in the synthesis of 1 from 2,2'-bipyridine and a novel methylenating agent. Reversible deprotonations proceed via 2 to lead to carbene 3, a formal 1:1 complex between singlet carbon and 2,2'-bipyridine which is stable in solution and can be trapped. For 1 and 2, unusual hybridizations of the bridging C atom were found experimentally.

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