SEARCH Articles Figures Tables Contain Nitrogen Containers nitrogen Heterocycles containing Heterocyclic nitrogen Heterocyclic synthesis nitrogen-containing Iron-Catalyzed Synthesis of Nitrogen-Containing Heterocycles Nitrogen heterocycles, synthesis Nitrogen synthesis Nitrogen-containing Nitrogen-containing heterocycle synthesis compounds Nitrogen-containing heterocycle synthesis five-membered ring heterocycles Nitrogen-containing heterocycle synthesis seven-membered ring heterocycles Nitrogen-containing heterocyclics Pd-Catalyzed Synthesis of Nitrogen-Containing Heterocycles Rh-Catalyzed Synthesis of Nitrogen-Containing Heterocycles Silver-Catalyzed Synthesis of Nitrogen-Containing Heterocycles Synthesis of Nitrogen-Containing Heterocyclic (Z)-1,3-Dienes Synthesis of Quinoxalines from Various Fused Nitrogen-Containing Heterocycles Without a Pyrazine Fragment