Selective N-methylation of ethyl esters of 3-(1H-imidazol-4-yl)-2-propenoic acid
Résumé
Methods of selective methylation of the nitrogen atoms of the ethyl ester of 3‐(1H‐imidazol‐4‐yl)‐2‐propenoic acid are reported. The nitrogen atom α to the ethylenic chain was methylated after protection of the β nitrogen with a phenacyl group.
Domaines
Chimie organique
Origine : Fichiers produits par l'(les) auteur(s)