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Lithiation and functionalization of 1-alkynylimidazoles at the 2-position

✍ Scribed by Christophe Laroche; Sean M. Kerwin

Book ID
104096755
Publisher
Elsevier Science
Year
2009
Tongue
French
Weight
965 KB
Volume
50
Category
Article
ISSN
0040-4039

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✦ Synopsis

Functionalization reactions of 1-alkynylimidazoles involving the formation of their 2-lithio derivatives followed by addition of various electrophiles are presented. This allows access to previously unreported 1,2-dialkynylimidazoles via 1-alkynyl-2-iodoimidazoles. The use of an aldehyde or sulfonimine electrophiles allows the direct formation of bicyclic ring systems.

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