Ib qho alkene nyob rau hauv lub xub ntiag ntawm halogen tuaj yeem ntxiv ib qho halogen rau qhov sib xyaw ntawm txoj haujlwm allylic es tsis ntxiv nws ntawm ob daim ntawv cog lus. Nws tau dhau los ua ib qho kev sib txuas ntawm cov saw hlau (Initiation, propagation, termination).
Dab tsi yog allylic halogenation Class 12?
Tom qab ntawd peb sau dab tsi yog allylic halogenation los ntawm kev hloov halogen mus rau qhov sib xyaw ntawm txoj haujlwm allylic. Cov lus teb tiav: Halogenation yog hloov ntawm hydrogen atom los ntawm halogen atom hauv cov molecule… Halogen tej zaum yuav yog fluorine, chlorine, bromine los yog iodine.
allylic bromination txhais li cas?
Allylic bromination yog hloov cov hydrogen ntawm cov pa roj carbon uas nyob ib sab mus rau ob daim ntawv cog lus(los yog lub nplhaib uas muaj ntxhiab, qhov twg nws hu ua benzylic bromination). NBS yog siv los hloov Br2 nyob rau hauv cov rooj plaub no txij li thaum Br2 nyiam hnov mob nrog ob daim ntawv cog lus los ua dibromides.
txhais li cas los ntawm cov tshuaj tiv thaiv halogenation?
A Halogenation cov tshuaj tiv thaiv tshwm sim thaum ib lossis ntau dua fluorine, chlorine, bromine lossis iodine atoms hloov hydrogen atoms hauv cov organic compound. … Fluorine yog qhov tshwj xeeb tshaj yog nruj thiab tuaj yeem cuam tshuam nrog cov ntaub ntawv organic.
Koj txhais li cas los ntawm kev hloov pauv allylic?
Ib qho kev hloov pauv allylic yog kev hloov pauv cov tshuaj tiv thaiv uas ib qho ligand ntawm ib qho allylic carbon nyob rau hauv cov organic compound hloov los ntawm lwm ligand.
