List of all reagents usedin organic chemistry with their use

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