A New Class of Fused Imidazoles by Intramolecular Nucleophilic ipso-Substitution in 2-Alkylsulfonylimidazoles: Synthesis of 2,3-Dihydroimidazo[2,1-b][1,3]oxazoles
A New Class of Fused Imidazoles by Intramolecular Nucleophilic ipso-Substitution in 2-Alkylsulfonylimidazoles: Synthesis of 2,3-Dihydroimidazo[2,1-b][1,3]oxazoles
A New Class of Fused Imidazoles by Intramolecular Nucleophilic ipso-Substitution in 2-Alkylsulfonylimidazoles: Synthesis of 2,3-Dihydroimidazo[2,1-b][1,3]oxazoles