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基于α,α-二氰基烯烃合成环状化合物的研究 Title:ResearchonSynthesisofCyclicCompoundsBasedonα,α-DicyanovinylDerivatives Abstract: Cycliccompoundsplayapivotalroleindiverseareassuchaspharmaceuticals,materialsscience,andorganicchemistry.Thesynthesisofcycliccompoundshasbeenanactiveareaofresearchformanyyears.α,α-Dicyanovinylderivativeshavegainedsignificantattentionasversatilebuildingblocksforthesynthesisofcycliccompoundsduetotheiruniqueproperties.Thispaperaimstoprovideanoverviewoftheresearchconductedonthesynthesisofcycliccompoundsbasedonα,α-dicyanovinylderivatives.Thepaperdiscussestheimportanceofcycliccompounds,thepropertiesofα,α-dicyanovinylderivatives,andvariousmethodologiesdevelopedfortheirsynthesis.Additionally,notableapplicationsofcycliccompoundssynthesizedfromα,α-dicyanovinylderivativesarealsoexplored. Introduction: Cycliccompoundsarewidelyfoundinnatureandexhibitdiversepharmacologicalactivities.Theirsynthesisoffersexcitingopportunitiesforthedevelopmentofnewdrugs,materials,andcatalysts.Tothisend,theinvestigationofnovelsyntheticstrategiesandversatilebuildingblocksfortheconstructionofcycliccompoundsisofparamountimportance.α,α-Dicyanovinylderivativeshaveemergedasvaluableprecursorsforthesynthesisofcycliccompoundsduetotheirabilitytoprovidescaffoldswithintriguingchemicalreactivityandstructuraldiversity. Propertiesofα,α-DicyanovinylDerivatives: α,α-Dicyanovinylderivativespossessuniquepropertiesthatmakethemattractiveforthesynthesisofcycliccompounds.Thesecompoundsexhibitenhancedstabilityandreactivity,makingthemexcellentstartingmaterialsforavarietyofcyclizationreactions.Thepresenceofthecyanogroupimpartsbothelectron-withdrawingandelectron-donatingproperties,makingα,α-dicyanovinylderivativeshighlyversatilesynthonsfordiversecyclizationreactions.Furthermore,theireaseofsynthesisfromreadilyavailablestartingmaterialsmakesthemreadilyaccessiblebuildingblocksfortheconstructionofcycliccompounds. MethodsforSynthesisofCyclicCompounds: Severalmethodologieshavebeendevelopedforthesynthesisofcycliccompoundsusingα