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Differentiating between mechanisms flow chart
Terms in this set (4)
Nucleophile only (HS-, Br-)
If substrate primary, SN2
If substrate secondary, SN2
If substrate tertiary, SN1
Base only (H-, t-BuOK)
*Generally strong bases
If substrate primary, secondary, or tertiary: E2
Strong nuc/base (RO-, HO-)
If primary substrate, E2 minor (unless t-BuOK is reagent) and SN2 major.
If secondary substrate, E2 major and SN2 minor (steric considerations)
If tertiary, E2 due to sterically hindered SN2 pathway
If primary substrate, SN2 and E2 can occur but not practical because too slow.
If secondary substrate, either 4 mechanisms can occur but also impractical because too slow.
If tertiary substrate, SN1 or E1 (high temp)
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Functional Groups, Functional groups
Functional Groups- Meg
Mechanisms: SN1,2 and E1,2
BASES AND NUCLEOPHILES
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