Condensed Imidazoles of Type 5–5 with one Additional Heteroatom

This chapter contains sections titled: Ring System C3N2-C4N: Pyrrolo[3,4-d]imidazole Ring System C3N2-C4N: Pyrrolo[2, 3-d]imidazole Ring System C3N2-C3N2: 1H-Imidazole[2,2-a]imidazole Ring System C3N2-C3N2: 1H-Imidazole[2,5-a]imidazole Ring System C3N2-C3N2: 1H-Imidazole[2,5-c]imidazole Ring System C3N2-C3N2: Imidazole[1,2-b]pyrazole Ring System C3N2-C3N2: 1H-Imidazo[1,5-b]pyrazole Ring System C3N2-C4O: 1H-imidazo[1,5-b]pyrazoles Ring System C3N2-C4O: 1H and 4H-Furo[3,4-d]imidazoles Ring System C3N2-C3NO: Imidazo[2,1-b]oxazoles Ring System C3N2-C3NO: Imidazo[5,1-b]oxazoles Ring System C3N2-C3NO: Imidazo[1,5-c]oxazoles Ring System C3N2-C3NO: Imidazo[1,5-b]isoxazole Ring System C3N2-C4S: Thieno[2,3-d]imidazole Ring System C3N2-C4S: Thieno[3,4-d]imidazole Ring System C3N2-C3NS: Imidazo[1,2-b]imidazole Ring System C3N2-C3NS: Imidazo[2,1-b]thiazole Ring System C3N2-C3NS: Imidazo[5,1-b]thiazole Ring System C3N2-C3NS: 1H,3H-Imidazo[1,5-c]thiazole Ring System C3N2-C3NS: Imidazo[1,2-c]thiazole Ring System C3N2-C4Se: Selenolo[2,3-d]imidazole Ring System C3N2-C4Se: 1H-Selenolo[3,4-d]imidazole Ring System C3N2-C4NSe: Imidazo[2,1-b]Selenazole