OC1 Reagents Flashcards
oxymerc. demerc.
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Oxymerc. Demerc.
- Hg(OAc)2, H2O 2. NaBH4
Mark
—
OH
Hydrobor. Ox.
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Hydrobor. Oxid
- BH3*THF 2. ROOR, NaOH
AM
**Syn
OH + En
det. Regioselectivities
Mark/Anti-Mark
det. Stereospecificities
Syn/Anti-Syn
Bromination
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Bromination
AS
Br*2 + En
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Catalytic Hydrogenation
Syn
H,H + En
Acid-Catalyzed Hydration
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Acid-Catalyzed Hydration
diluted H2SO4
Mark
——
OH
Hydrohalogenation
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Hydrohalogenation
HX (Cl=X), ROOR
AM
—-
X (Cl)
ONLY WHEN CARBOCAT NOT POSSIB.
Ozonolysis
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Ozonolysis
- ## O3 2. DMScarboxyls 0.5 where the double bonds were
Syn Dihydroxylation (less toxic)
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Syn Dihydroxylation
Syn
OH, OH + en
Syn Dihydroxylation (more toxic)
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Syn Dihydroxylation
- ## OsO4 2. NaHSO3, H2OSyn
OH, OH + en
H2, Lindlar
Alkyne—>Alkene (3-2)
H2, Pt (10)
Alkyne—->Alkane (3-1)
H2, Pt
Catalytic Hydrogenation
Catalytic Hydrogenation
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Catalytic Hydrogenation
Syn
H2,H2
Hydrohalogenation
- Reagents
- Regioselectivity
- Stereospecificity
- Products
Hydrohalogenation
HX (& ROOR, possibly)
AM
—-
X
HX (& ROOR, possibly)
AM
—-
X
Hydrohalogenation
Syn
H2,H2
Catalytic Hydrogenation
- ## OsO4 2. NaHSO3, H2OSyn
OH, OH + en
Syn Dihydroxylation (more toxic)
- ## OsO4 2. NaHSO3, H2OSyn
OH, OH + en
Syn
OH, OH + en
Syn Dihydroxylation (less toxic)
Syn
OH, OH + en
- ## O3 2. DMScarboxyls 0.5 where the double bonds were
Ozonolysis
- ## O3 2. DMScarboxyls 0.5 where the double bonds were
Deprotonate Alkyne
NaNH2 ; XR
Protect Alcohol
Protect
TMSCl, ET3N
Deprotect Alcohol
Deprotect
TBAF
Grignard rxn
- Reagents
- Products
Grignard
1.Mg, Et2O 2.C=O grp 3.H2O
Alcohol instead of carboxyl group
1* Alcohol
- Reagents
- Prod.
- Stereochem
1* Alcohol
1. TsCl, pyr ; NaX
Inversion
1/2 Alcohol (Cl)
- Reagents
- Prod.
- Stereochem
1/2 Alcohol
(SOCl2,pyr)
SO2, Cl-, RCl
Expect Inversion 2b happenin
1/2 Alcohol (Br)
- Reagents
- Prod.
- Stereochem
1/2 Alcohol (Br)
Pbr3
HOPBr2,RBr
Expect Inversion 2b happenin