Common Reagents in Organic Chemistry

The table of common reagents is a comprehensive summary that students should be familiar with, particularly for exams. This summary consists of various acids, bases, solvents, and other reagents utilized in organic chemistry reactions.

H3O+: Hydronium ion, often used as an acid in reactions; indicates the presence of acids in aqueous solutions.
H2SO4: Sulfuric acid, a strong acid often used as a dehydrating agent and in sulfonation reactions.
H3PO4: Phosphoric acid, frequently used in esterification and as a catalyst.
HCl: Hydrochloric acid, a strong acid for protonation and chlorination reactions.
HBr: Hydrobromic acid, commonly used for the addition of bromine across double bonds.
CH3CO2H (AcOH): Acetic acid, a weak acid used in reactions where a milder acid is needed.

H2O: Water, often used as a solvent or medium for many reactions.
ROH: Alcohols, where R represents an alkyl group, utilized in various reactions including nucleophilic substitutions.
DMF: Dimethylformamide, a polar aprotic solvent.
DMSO: Dimethyl sulfoxide, known for its ability to dissolve both polar and nonpolar compounds.
THF: Tetrahydrofuran, a common solvent in organometallic reactions and polycondensations.
Acetonitrile (CH3CN): Used as a polar aprotic solvent in various reactions.
Acetone: A common solvent in organic synthesis, particularly in probe reactions.
Chloroform (CHCl3): Nonpolar solvent used in extractions and as a solvent for organic compounds.
DCM (CH2Cl2): Dichloromethane, widely used in extraction and purification processes.

NaOH: Sodium hydroxide, a strong base used in saponification and various deprotonation reactions.
NaH: Sodium hydride, a strong base used in forming carbanions.
NaNH2: Sodium amide, a strong base typically employed in the formation of alkynes from alkyl halides.
Na2Cr2O7: Sodium dichromate, an oxidizing agent for alcohols.
NaCN: Sodium cyanide, a reagent in nucleophilic substitutions and for forming nitriles.

NaBH4: Sodium borohydride, a mild reducing agent used to reduce aldehydes and ketones to alcohols.
LiAlH4: Lithium aluminum hydride, a stronger reducing agent capable of reducing esters and carboxylic acids.
PCC: Pyridinium chlorochromate, used for oxidizing alcohols to aldehydes or ketones without over-oxidation.
KMnO4: Potassium permanganate, a strong oxidizing agent useful for oxidizing alkenes to diols.

Cl2: Chlorine gas, involved in halogenation reactions.
Br2: Bromine, used in addition reactions to form vinylic and allylic halides.
H2O2 (ROOR): Hydrogen peroxide, can act as an oxidizing agent in reactions.

Lindlar’s Catalyst: A poisoned palladium catalyst used to selectively hydrogenate alkynes to cis-alkenes.
BH3-THF: Borane-tetrahydrofuran complex, a reagent in hydroboration for adding boron to alkenes.
Sia2BH: Disiamylborane, used in selective hydroboration reactions favoring more sterically hindered alkenes.
OsO4: Osmium tetroxide, used to hydroxylate alkenes to form vicinal diols.
O3: Ozone, applied in ozonolysis to cleave alkenes and form carbonyl compounds.
m-CPBA: Meta-chloroperbenzoic acid, utilized for epoxidation reactions, converting alkenes to epoxides.

NaOCl: Sodium hypochlorite, often used as an oxidizing agent in organic reactions.
Bleach: A diluted sodium hypochlorite solution, recognized for its bleaching and oxidizing properties.
TEMPO: A nitroxyl radical that serves as an oxidation catalyst in alcohol oxidation reactions.

Understanding the role and application of each reagent is crucial for success in organic chemistry, particularly in synthesizing compounds and performing reactions efficiently. Familiarity with this table will aid students in exam preparedness and real-world laboratory scenarios.