1 Results Nitrogen and oxygen-containing heterocyclic systems are important structures in organic chemistry because of their presence in many biologically active compounds.In this work,a new zinc and indium-promoted c...1 Results Nitrogen and oxygen-containing heterocyclic systems are important structures in organic chemistry because of their presence in many biologically active compounds.In this work,a new zinc and indium-promoted conjugate addition-cyclization reaction to afford nitrogen and oxygen-containing five-membered heterocycles has been developed.A Lewis acid-catalyzed cyclization of an ethenetricarboxylate derivative with propargylamines or propargyl alcohols to give methylenepyrrolidines and methylenetetrah...展开更多
文摘1 Results Nitrogen and oxygen-containing heterocyclic systems are important structures in organic chemistry because of their presence in many biologically active compounds.In this work,a new zinc and indium-promoted conjugate addition-cyclization reaction to afford nitrogen and oxygen-containing five-membered heterocycles has been developed.A Lewis acid-catalyzed cyclization of an ethenetricarboxylate derivative with propargylamines or propargyl alcohols to give methylenepyrrolidines and methylenetetrah...
