Organic Chemistry: SN1 SN2 E1 or E2

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Author:
tulipyoursweety
ID:
253213
Filename:
Organic Chemistry: SN1 SN2 E1 or E2
Updated:
2013-12-15 01:41:26
Tags:
Organic Chemistry SN1 SN2 E1 or E2
Folders:
Organic,Chemistry:,SN1,SN2,E1,or,E2
Description:
Organic Chemistry: SN1, SN2, E1 or E2
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  1. 3° alkyl halides react by all mechanisms except...
    SN2
  2. 3° with strong base
    • E2 only
    • strong base/nucleophile favors Sn2 or E2 but 3° halides are too sterically hindered to undergo Sn2 reaction, so only E2 occurs.
  3. 3° alkyl halide with weak nucleophile/base
    • Sn1 and E1 occurs
    • Weak base/nucleophile favors Sn1 and E1, and both occur.
  4. 1° alkyl halide with strong nucleophile
    • Sn2 only
    • strong base/nucleophile favors Sn2 and E2, but 1° halides are least reactive halide type in elimination; therefore, only Sn2 occurs
  5. 1° alkyl halide with strong, sterically hindered base
    • E2 only
    • strong, sterically hindered base cannot act as a nucleophile, so elimination occurs and the mechanism is E2.
  6. 2° alkyl halide with strong base/nucleophile
    Sn2 and E2 occur
  7. 2° with strong, sterically hindered base
    • E2 only
    • strong, sterically hindered base cannot act as nucleophile, so elimination occurs only
  8. 2° with weak nucleophile/base
    • Sn1 and E1 occurs
    • a weak base/nucleophile favors Sn1 and E1, so both occur.
  9. 1° alkyle halides react by...
    Sn2 and E2 mechanisms
  10. 2° alkyl halides react by...
    all mechanisms

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