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Lithiation of 6-methoxy 1,4-benzodioxan: Functionalization at the 5-position

โœ Scribed by G. Guillaumet; M. Hretani; G. Coudert

Book ID
108381590
Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
117 KB
Volume
29
Category
Article
ISSN
0040-4039

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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 sulfonim