Alkynes tau dav tam sim no nyob rau hauv cov khoom ntuj tsim, biologically nquag molecules thiab cov organic ua haujlwm. Nyob rau tib lub sijhawm, lawv kuj yog ib qho tseem ceeb tshaj plaws hauv cov organic synthesis thiab tuaj yeem yauv tau kev hloov cov tshuaj lom neeg ntau. Yog li ntawd, kev txhim kho yooj yim thiab cov qauv kev tsim kho tshiab alkynes yog maj nrawm thiab xav tau. Txawm hais tias tus Sonogashira cov tshuaj tiv thaiv kab mob catchalyzed los ntawm kev hloov pauv ntawm Aryl lossis Alkenyl uas tsis muaj txiaj ntsig zoo li cov alkyletic yog vim muaj kev phiv tshuaj ib yam li bh tshem tawm. Tseem tag nrho ntawm cov kev cov nyom thiab cov kev tshawb fawb tsawg dua, tsuas yog siv rau ib puag ncig ib puag ncig thiab kim halogenated alkanes. Yog li ntawd, kev tshawb nrhiav thiab kev txhim kho ntawm cov khoom siv sonogashira tsis yooj yim thiab yooj yim muaj qhov tseem ceeb ntawm kev ua haujlwm zoo thiab kev siv khoom lag luam zoo. Pab pawg ntse tau tsim thiab tsim tshiab, yooj yim muaj thiab lub davhlau ya nyob zoo thiab muaj kev kub ntxhov ntawm cov chaw muaj nickel, pheej yig thiab yooj yim rau Tau Txais. Tus ntoo khaub lig-coupling cov kev tshuaj tau ua tiav rau lub lig kev hloov kho thiab cov pab pawg ua yeeb yam zoo thiab muab cov kev ua yeeb yam zoo rau cov khoom siv tseem ceeb ntawm Alkynes. Thiab cov tswv yim.
Lub sijhawm Post: Nov-22-2021