Qhov sib txawv tseem ceeb ntawm Endo thiab Exo Diels Alder cov khoom sib txuas yog tias Endo Diels Alder cov khoom lag luam muaj nws cov khoom hloov pauv ntawm tib lub ntsej muag ntawm lub nplhaib txuas txuas ntxiv, thaum Exo Diels Alder cov khoom lag luam muaj nws cov khoom hloov pauv ntawm lub ntsej muag ntawm kev sib txuas. nplhaib system.
Endo-Exo isomerism yog hom tshwj xeeb ntawm isomerism uas poob rau hauv qeb ntawm stereoisomers. Peb tuaj yeem pom qhov isomerism no hauv cov organic tebchaw uas muaj kev hloov pauv ntawm nws lub nplhaib txuas txuas. Endo thiab Exo yog cov npe ua ntej uas peb siv los sau npe cov organic sib xyaw raws li qhov chaw ntawm qhov hloov pauv no. Qhov tseem ceeb, peb siv cov lus ua ntej nrog cov khoom ntawm Diels Alder cov tshuaj tiv thaiv. Cov khoom ntawm hom tshuaj tiv thaiv no feem ntau yog hloov pauv cyclohexene derivative.
Endo Diels Alder yog dab tsi?
Endo Diels Alder cov khoom lag luam yog cov khoom siv organic uas muaj cov khoom hloov pauv ntawm tib lub ntsej muag ntawm lub nplhaib txuas txuas. Ib Diels Alder cov tshuaj tiv thaiv ua rau rau-tus tswv cuab rings; Yog li peb hu nws ua cycloaddition. Hauv kev tsim cov khoom lag luam endo los ntawm cov tshuaj tiv thaiv no, cov neeg hloov pauv sib xyaw ua ke ntawm ib qho kev sib txuas ntawm lub nplhaib uas cov neeg hloov pauv nyob rau tib lub ntsej muag. Yog li ntawd, nws muaj qhov sib tshooj siab tshaj plaws ntawm lawv lub ntsej muag.
Daim duab 01: Endo thiab Exo Cov Qauv hauv Diels Alder Reactions
Cov khoom lag luam endo ntawm cov tshuaj tiv thaiv no muaj "C-puab". Ntxiv mus, cov qauv no muaj qhov siab tshaj plaws ntawm cov neeg hloov pauv. Yog li, kev tsim cov khoom endo thaum lub sij hawm Diels Alder cov tshuaj tiv thaiv muaj tsawg dua.
Exo Diels Alder yog dab tsi?
Exo Diels Alder cov khoom lag luam yog cov khoom siv organic uas muaj cov khoom hloov pauv ntawm lub ntsej muag ntawm lub nplhaib txuas txuas. Ib Diels Alder cov tshuaj tiv thaiv ua rau rau-tus tswv cuab rings; Yog li peb hu nws ua cycloaddition. Nyob rau hauv lub tsim ntawm exo cov khoom ntawm no cov tshuaj tiv thaiv, cov substituents ua ke nrog ib leeg los ntawm ib tug choj nplhaib system uas muaj cov substituents nyob rau hauv opposite lub ntsej muag. Yog li ntawd, nws muaj qhov sib tshooj tsawg kawg ntawm lub ntsej muag ntawm lub nplhaib system. Ntxiv mus, cov khoom no muaj "Z-puab".
Qhov txawv ntawm Endo thiab Exo Diels Alder yog dab tsi?
Endo Diels Alder cov khoom lag luam yog cov khoom siv organic uas muaj cov neeg hloov pauv ntawm tib lub ntsej muag ntawm lub nplhaib txuas txuas thaum exo Diels Alder cov khoom lag luam yog cov organic compound uas muaj cov neeg hloov pauv ntawm lub ntsej muag ntawm lub nplhaib txuas txuas. Qhov no yog qhov sib txawv tseem ceeb ntawm endo thiab exo Diels Alder. Tsis tas li ntawd, lub endo Diels Alder muaj C-zoo li tus exo Diels Alder muaj Z-puab. Ntxiv mus, cov khoom endo qhia tau hais tias qhov siab tshaj plaws vim qhov siab tshaj plaws sib tshooj ntawm nws lub ntsej muag. Txawm li cas los xij, cov khoom lag luam exo qhia tau hais tias muaj kev nyuaj siab tsawg vim yog qhov sib tshooj tsawg kawg ntawm nws lub ntsej muag.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm endo thiab exo Diels Alder hauv daim ntawv teev npe rau kev siv ceev.
Summary – Endo vs Exo Diels Alder
Cov Diels Alder cov tshuaj tiv thaiv hauv cov tshuaj chemical yog cov tshuaj tiv thaiv cycloaddition tshaj plaws. Nws tuaj yeem muab ob yam khoom loj; endo khoom thiab exo khoom. Qhov sib txawv ntawm endo thiab exo Diels Alder cov khoom sib txuas yog tias cov khoom siv endo Diels Alder muaj nws cov khoom siv hloov pauv ntawm tib lub ntsej muag ntawm lub nplhaib txuas txuas ntxiv thaum cov khoom siv exo Diels Alder muaj nws cov khoom hloov ntawm lub ntsej muag ntawm lub nplhaib txuas txuas.
