In dit document worden de verschillen tussen de competitieve en substitutiereacties in de organische chemie overlopen. Het geeft een goed overzicht over de beide reacties.
Competitie tussen substitutie en eliminatie
(9.8, 9.9 en 9.10 in cursus)
Primaire halogeenalkanen => E2 of Sn2
Tertiaire en secundaire halogeenalkanen => E2, Sn1 of E1
- Goed nucleofiel/sterke base => E2
- Zwakke base => E1 of Sn1
- Primair halogeenalkaan = Sn2
- Sterisch gehinderd primair halogeenalkaan = E2
- Secundair halogeenalkaan = afh sterkte en omvang Nucleofiel/Base:
Hoe sterker en volumineuzer base = E2
Hogere temperaturen = meer E2
- Tertiaire halogeenalkanen = E2
Sn1/E1 reactie?
Aanval van nucleofiel op cbc => substitutieprod
Verlies van proton van het cbc => eliminatieprod
Primaire halogeenalkanen ondergaan geen Sn1 of E1
Als het een geladen nucleofiel of base is = E1
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