Dab tsi yog cov tshuaj tiv thaiv radical hauv organic chemistry?
Dab tsi yog cov tshuaj tiv thaiv radical hauv organic chemistry?

Video: Dab tsi yog cov tshuaj tiv thaiv radical hauv organic chemistry?

Video: Dab tsi yog cov tshuaj tiv thaiv radical hauv organic chemistry?
Video: Dab tsi yog qhov tseeb txog cov tshuaj tiv thaiv COVID-19? 2024, Kaum ib hlis
Anonim

Ib free- cov tshuaj tiv thaiv radical yog ib qho tshuaj tiv thaiv koom nrog dawb radicals . Qhov no tshuaj tiv thaiv hom muaj ntau nyob rau hauv cov tshuaj tiv thaiv organic . Thaum twg cov tshuaj tiv thaiv radical yog ib feem ntawm organic synthesis tus radicals feem ntau generated los ntawm radical pib xws li peroxides lossis azobis tshuaj sib xyaw.

Tsuas yog li ntawd, dab tsi yog ib qho radical hauv organic chemistry?

Radical , kuj hu ua Dawb Radical , hauv chemistry , molecule uas muaj tsawg kawg ib qho hluav taws xob tsis sib xws. Feem ntau cov molecules muaj cov lej ntawm electrons, thiab covalent tshuaj bonds tuav lub atoms ua ke nyob rau hauv ib tug molecule ib txwm muaj cov khub ntawm electrons sib koom ua ke los ntawm cov atoms txuas los ntawm daim ntawv cog lus.

Tsis tas li ntawd, dab tsi yog hom dawb radicals? Hom dawb radicals Feem ntau cov dawb radicals yog los ntawm cov pa atoms thiab hu ua Reactive Oxygen Species (ROS), xws li superoxide ion, hydroxyl radical , hydrogen peroxide thiab oxygen ib leeg . Superoxide ion (los yog reactive oxygen hom) yog cov pa oxygen molecule nrog ib qho hluav taws xob ntxiv.

Kuj nug, dab tsi yog cov tshuaj tiv thaiv radical hauv chemistry?

A radical hloov tshuaj tiv thaiv yog a tshuaj tiv thaiv uas tshwm sim los ntawm ib tug dawb radical mechanism thiab tshwm sim nyob rau hauv kev hloov ntawm ib los yog ntau tshaj ntawm cov atoms los yog pab pawg neeg nyob rau hauv lub substrate los ntawm txawv atoms los yog pab pawg neeg. Thawj kauj ruam hauv a radical saw hlau tshuaj tiv thaiv yog cov kauj ruam uas ib tug dawb radical yog thawj zaug.

Dab tsi yog qhov kev txiav tawm hauv cov organic chemistry?

Illustrated Glossary ntawm Organic Chemistry -Txoj saw kev txiav txim ( Kev txiav txim ) Cov kev txiav txim ( kev txiav txim ): Ib qho kev sib txuas ntawm cov saw hlau kauj ruam nyob rau hauv uas ib los yog ntau tshaj saw-nqa hom reacted yam tsis tsim lwm saw-carrying molecule. Photolysis ntawm molecular bromine yog ib kauj ruam pib.

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