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Grade: 12

                        

List of all reagents used in organic chemistry with their use

2 years ago

Answers : (1)

Arun
24737 Points
							
Dear Saqib
 
 

Intramolecular Cannizaro

 

 

 

 

i)  Aluminium isobutoxide

ii) Acetone (Oppenaur Oxidation)

 

Reverse of MPV oxidises alcohol to carbonyl

 

 

 

RO- (Claisen Schmidt Reaction)

 

 

 

 

i) Acetic anhydride

ii) Sodium acetate (Perkin’s reaction)

 

 

i)  Aluminium isobutoxide

ii) Propan-2 ol (MPV Reduction)

 

Reduces ketone to alcohol

 

 

 

 

Cannizaro Reaction

 

This is reaction of compounds which don’t have alpha hydrogen

 

 

 

 

Cross Cannizaro

 

 

Anhydrous H contains no water

 

 

 

 

i) CHCH3 - Alc KOH

ii) H3O+ (Riemann Tiemann)

 

 

 

 

(i) CO2

(ii) H3O+ (Kolbe’s reaction)

High Pressure

 

 

 

AlCl3 (Fries rearrangement)

Heat

 

 

 

(i) K2S2O8

(ii) H3O(Elb’s persulphate oxidation)

 

 

 

 

 

(i) Fused NaOH

(ii) H3O+ (Dow’s process)

High Pressure

 

KMnO4, H+ (or) K2Cr2O7, H+ (or) H2CrO4

 

Oxidises alcohol to acid

 

 

 

PCC (Pyrindinium) chloro chromate

Solvent CS2

Restricted oxidation of alcohol. Forms aldehyde.

 

 

 

MnO2 special oxidising agent for alcohol

 

 

 

 

HI

 

 

For 1 degree carbon

 

For 3 degree carbon

 

 

 

 

Conc HI contains very less water

 

 

(i) Alc KOH

(ii) NaNH2

 

 

 

 

X2 CCI4

 

Adds both X on compound having double or triple bond

 

 

 

Cold Dil KMnO4

 

 

   

Hot KMnO4

 

 

   

CF3SO3-

 

Super Leaving Group

 

 

 

LiAH4 –ether

 

Reduces ester to alcohol

 

 

 

NaBH4- ROH (protic solvent)

 

Reduces to alcohol but cannot act on ester

 

 

 

Cr2O2-Cu2O

Heat, High Pressure

Causes cleavage and reduction of ester

 

OSO4 + H2O-NaHSO3 or Cold Dilute KMnO4 (Hydroxylation)

 

Gives syn vicinal dihalide from alkene

 

 

 

 

Per-formic acid (Anti Hydroxylation)

 

Gives anti vicinal diol

 

 

 

 

HBr in presence of H2O2 (Only for HBr)

 

Anti Marknokov’s

 

 

 

 

Hot Alkaline KMnO4

 

Replaces “=” with either C = O or COOH

 

 

 

 

CH2-I2, ZnCu

 

Adds methyl in cyclic manner

 

Alcoholic KOH

 

Removes HX from compound and adds double bond

 

 

 

Zn dust

 

Removes all HX

 

 

 

H2 PdBaSO4 or S-Quinoline (Lindhar’s catalyst) or BH3-THF

 

Reduces alkyne to alkene

 

 

 

 

Ph3P = CH2

 

Replaces O of Carbonyl with methyl

 

 

 

NOX

 

 

 

 

ONDM (Oxymercuration demercuration)

(i) Hg (OAC)2 + THF-H2O

(ii) NaBH4-OH-

 

 

NBS

 

Substitutes allyic carbon with aldehyde

 

 

 

(i) NH2-NH2

(ii) RO-

heat

Reduces carbonyl group to ketone or aldehyde

 

 

 

H3PO2

Heat

Removes diazo group

 

 

 

LiAH4 or NaBH4 or Ph3 SnH

 

Reduction

R2 CuL (Lithium dialkylcuprate)

 

Removes halogen from RX and adds R

 

 

 

Mg-ether

 

Adds Mg between R &  X

Red P + HI

 

Reduces all to corresponding alkanes

 

Name

Condition

Example

Br2 + CS2

 

Causes Br to go on ring

 

 

 

Br2 + H2O

Compound should be more activated than benzene

 

 

 

Sn + HCI

 

Reduces group

CuCI + HCI

 

Removes Diazo group

 

 

 

NH4H or NaS or Na2S

 

Special regents which reduce only 1 NO2 group

 

 

 

CrO2CI2 + H3O+

 

Converts toluene to benzaidehyde

 
 
 
Hope it helps
 
Regards
Aru (askIITians forum expert)
2 years ago
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