Mechanisms Flashcards

(31 cards)

1
Q

conditions for SN2 reaction

A

strong nucleophile

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2
Q

conditions for E2 reactions

A

strong base

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3
Q

conditions for SN1 reaction

A

poor nucleophile

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4
Q

conditions for E1 reactions

A

conc. H2SO4 or conc. H2PO4

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5
Q

what are the 3 ways to make alcohols into good leaving groups?

A

Pbr3, SOCI2 w/ Py, TsCI w/ Py

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6
Q

alkene halogenation can be done with ______ or ______

A

water H2o or alcohol

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7
Q

alkene —-> anti addition of X. what can X2 be?

A

Br, CI, I

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8
Q

alkene halogenation with alcohol, OR/OH is added to the more ______ side

A

substituted

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9
Q

conditions for alcohol to ether

A

1.strong base
2. C-C-X

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10
Q

what reaction happens to go from an alcohol to ether

A

SN2

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11
Q

conditions for alcohol to cyclic ethers and epoxides

A

NaH

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12
Q

what mechanism happens going from an alcohol to cyclic ethers and epoxides

A

intramolecular Sn2

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13
Q

conditions for the primary and triteary cleavage of ethers

A

conc. HX in heat

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14
Q

a Sn_ happens when cleaving primary ethers

A

Sn2

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15
Q

a Sn_ happens when cleaving triterary ethers

A

Sn1

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16
Q

conditions for the addition of CI or Br to alkenes

17
Q

conditions for alkene to alcohol

18
Q

conditions for alkene to ether

19
Q

conditions for addition of H2 to alkenes

20
Q

what is the term for the addition of H2 to alkenes

A

hydrogenation

21
Q

what product is formed with the addition of X2 to alkenes

A

anti product only

22
Q

what are 2 ways to go from alkenes to alcohols

A

oxymercuration reudction and hydroboration oxidation

23
Q

conditions for oxymercuration reudction

A
  1. Hg (OAc)2, H20 (oxymercuration)
  2. NaBH4 (reudction)
24
Q

conditions for hydroboration oxidation

A
  1. BH3, THF (hydroboration)
    2.H2O2, NaOH (oxidation)
25
oxymercuration reudction will give you what kind of product?
Mark product
26
hydroboration oxidation will give you what kind of product?
anti Mark product
27
conditions for alkene to epoxide
Br2, h2o NaH
28
you can go from alkene to epoxide using what kind of acid?
peroxyacids
29
opening epoxides in acidic conditions
mCPBA ROH, H+
30
opening epoxides in basic conditions
mCPBA NaOR
31