November2010,Volume4,() JournalofChemistryandChemicalEngineering,ISSN1934-7375,USA 赫k{嚣lNG 2-NitrobenzOfuranasDienophileinPolarDiels-Alder Reaction:ASimpleDibenzofuransSynthesis ClaudiaDanielaDellaRosa,JuanPabloganehez,MariaNdlidaKneetemanandPedroM~,ximoEmilioMancini hemistry,ChemistryDepartment,ChemicalEngeenieringSchool,LitoralNationalUniversity,SantaFe,Argentine Received:September042010|Accepted:September20,2010|Published:November30,2010 Abstract: ,suchasnitrogroup,haracterofthese poundsandowingtothefactthatthissubstituentiseasilyextrudedundertherma1conditionsthisreactionsequence pound‘ . Keywords:2-Nitrofurane,dienophile,Diels—Ader,dibenzofurans. Duetoourinterestinthecycloadditionchemistryof substitutedaromaticheterocycleswithelectronwith— drawinggroups,wehavereportedthat2-nitrofuran, 2--nitro—N-tosylpirroleand2一nitro— selenophenereactwithstrongandpoordienesunder differentconditions[1].Ad
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