OC1 Reagents Flashcards

1
Q

oxymerc. demerc.

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Oxymerc. Demerc.

  1. Hg(OAc)2, H2O 2. NaBH4
    Mark

    OH
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Hydrobor. Ox.

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Hydrobor. Oxid

  1. BH3*THF 2. ROOR, NaOH
    AM
    **Syn
    OH + En
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

det. Regioselectivities

A

Mark/Anti-Mark

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

det. Stereospecificities

A

Syn/Anti-Syn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Bromination

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Bromination

AS
Br*2 + En

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Catalytic Hydrogenation

Syn
H,H + En

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Acid-Catalyzed Hydration

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Acid-Catalyzed Hydration

diluted H2SO4
Mark
——
OH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Hydrohalogenation

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Hydrohalogenation

HX (Cl=X), ROOR
AM
—-
X (Cl)

ONLY WHEN CARBOCAT NOT POSSIB.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ozonolysis

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Ozonolysis

  1. ## O3 2. DMScarboxyls 0.5 where the double bonds were
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Syn Dihydroxylation (less toxic)

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Syn Dihydroxylation

Syn
OH, OH + en

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Syn Dihydroxylation (more toxic)

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Syn Dihydroxylation

  1. ## OsO4 2. NaHSO3, H2OSyn
    OH, OH + en
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

H2, Lindlar

A

Alkyne—>Alkene (3-2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

H2, Pt (10)

A

Alkyne—->Alkane (3-1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

H2, Pt

A

Catalytic Hydrogenation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Catalytic Hydrogenation

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Catalytic Hydrogenation

Syn
H2,H2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hydrohalogenation

  • Reagents
  • Regioselectivity
  • Stereospecificity
  • Products
A

Hydrohalogenation

HX (& ROOR, possibly)
AM
—-
X

17
Q

HX (& ROOR, possibly)
AM
—-
X

A

Hydrohalogenation

18
Q

Syn
H2,H2

A

Catalytic Hydrogenation

19
Q
  1. ## OsO4 2. NaHSO3, H2OSyn
    OH, OH + en
A

Syn Dihydroxylation (more toxic)

  1. ## OsO4 2. NaHSO3, H2OSyn
    OH, OH + en
20
Q

Syn
OH, OH + en

A

Syn Dihydroxylation (less toxic)

Syn
OH, OH + en

21
Q
  1. ## O3 2. DMScarboxyls 0.5 where the double bonds were
A

Ozonolysis

  1. ## O3 2. DMScarboxyls 0.5 where the double bonds were
22
Q

Deprotonate Alkyne

A

NaNH2 ; XR

23
Q

Protect Alcohol

A

Protect

TMSCl, ET3N

24
Q

Deprotect Alcohol

A

Deprotect

TBAF

25
Q

Grignard rxn

  • Reagents
  • Products
A

Grignard
1.Mg, Et2O 2.C=O grp 3.H2O
Alcohol instead of carboxyl group

26
Q

1* Alcohol

  • Reagents
  • Prod.
  • Stereochem
A

1* Alcohol
1. TsCl, pyr ; NaX

Inversion

27
Q

1/2 Alcohol (Cl)

  • Reagents
  • Prod.
  • Stereochem
A

1/2 Alcohol
(SOCl2,pyr)
SO2, Cl-, RCl
Expect Inversion 2b happenin

28
Q

1/2 Alcohol (Br)

  • Reagents
  • Prod.
  • Stereochem
A

1/2 Alcohol (Br)
Pbr3
HOPBr2,RBr
Expect Inversion 2b happenin