SN1 cov tshuaj tiv thaiv yuav luag ib txwm cuam tshuam nrog cov nucleophiles tsis muaj zog, vim muaj zog nucleophiles muaj zog heev uas tso cai rau carbocation tsim. … Vim tias SN1 cov kev cuam tshuam cuam tshuam nrog cov carbocation nruab nrab, carbocation rearrangements tuaj yeem tshwm sim hauv SN1 cov tshuaj tiv thaiv. Lawv tsis tshwm sim hauv SN2 cov tshuaj tiv thaiv.
Puas yog nucleophile lub zog muaj teeb meem hauv SN1?
Lub zog ntawm nucleophile tsis cuam tshuam rau cov tshuaj tiv thaiv ntawm SN1 vim tias, raws li tau hais los saum no, nucleophile tsis koom nrog tus nqi txiav txim siab.
Puas SN1 nyob ntawm nucleophile?
Txoj Cai Lij Choj Ntawm SN1 Qhov Kev Pom Zoo yog Thawj-Kev Txiav Txim Tag Nrho
Thaum peb ua li ntawd, peb pom tias tus nqi tsuas yog nyob ntawm qhov tseem ceeb ntawm cov substrate, tab sis tsis nyob rau hauv qhov concentration ntawm nucleophile.
Puas SN1 cov tshuaj tiv thaiv ua haujlwm zoo tshaj plaws nrog cov nucleophile zoo?
Lub SN2 Nyuaj Siab Ua Haujlwm Nrog Cov Nucleophiles muaj zog. Lub SN1 Nyuaj Ua Haujlwm Nrog Tsis Muaj Nucleophiles . Lub SN2 nyhav mus nrog muaj zog nucleophiles; los ntawm qhov no, feem ntau txhais tau hais tias tsis zoo nqi nucleophiles xws li CH3O(–), CN(–), RS(–), N3(–), HO(–), and others.
Nucleophile hauv SN1 yog dab tsi?
Ntau zaus, hauv qhov tshuaj tiv thaiv sn1, cov nucleophile yog cov kuab tshuaj uas cov tshuaj tiv thaiv tshwm sim hauv. Sn2: Hauv sn2 cov tshuaj tiv thaiv, cov nucleophile tshem tawm cov pab pawg tawm, txhais tau tias nws yuav tsum muaj zog txaus ua li ntawd. Feem ntau, qhov no txhais tau tiashais tias cov nucleophile raug them - yog tsis yog, ces nws yuav tsum yog ib tug muaj zog nruab nrab nucleophile.
