Organic Reactions
Reactions of Functional Groups
|Functional Group |Reaction |Example |
|Alkane |Combustion |alkane + O2 ( CO2 + H2O |
|Alkene / Alkyne | |alkene/yne + H2O ( add H and OH (alcohol |
| | |alkene/yne + HX ( add H and X (alkyl halide |
| | |alkene/yne + X2 ( add X and X ( alkyl halide |
| |Addition |alkene/yne + H2 ( add H and H (alkane/ene |
| | | |
| | |** alkynes may undergo two additions in a row to become an alkane |
| |Symmetrical Alkene: identical groups on either side of double bond CH2=CH2 |
| | |
| |Asymmetrical Alkene: different groups on either side of double bond CH2=CHCH3 |
| | |
| |( MARKOVNIKOV’S RULE: “the rich get richer” |
| |In an addition reaction, H or OH is added to the more substituted carbon atom |
| |(C atom bonded to the largest number of C atoms) |
| |symmetrical + asymmetrical ( 1 isomer |
| |CH3CH=CHCH3 + HOH ( [pic] |
| | |
| |Cl2 + CH2=CHCH3 ( [pic] |
| | |
| | |
| |asymmetrical + asymmetrical ( 2 isomers |
| |(one is more observed due to Markovnikov’s Rule) |
| |CH2=CHCH2CH3 + HBr ( [pic] + [pic] |
| |more observed |
|Aromatic Compounds |will NOT undergo |no addition |
| |addition | |
| |Substitution |[pic] |
| |(replace H or Functional| |
| |Group) | |
|Alcohols |Substitution |alcohol + halogen acid ( alkyl halide + water |
| |(with halogen acid) |[pic] |
| |Elimination |alcohol ( alkene + water |
| |(with strong acid and |[pic] |
| |dehydration agent) | |
| |Oxidation |alcohol + [O] ( aldehyde, ketone, carboxylic acid |
| | | |
| | |1° alcohol ( aldehyde ( carboxylic acid |
| | |2° alcohol ( ketone |
| | |3° alcohol ( no reaction |
|Alkyl Halides |Substition |alkyl halide + base ( alcohol + halogen acid |
| |(with OH of base) |[pic] |
|Aldehydes |Oxidation |aldehyde + [O] ( carboxylic acid |
| | |[pic] |
| |Reduction |aldehyde + [H] ( 1° alcohol |
| | |[pic] |
|Ketones |Oxidation |ketone + [O] ( no reaction |
| |Reduction |ketone + [H] ( 2° alcohol |
| | |[pic] |
|Carboxylic Acids |Neutralization |carboxylic acid + base ( salt + water |
| | |[pic] |
| |Condensation or |carboxylic acid + alcohol ( ester + water |
| |Esterification |[pic] |
| | |carboxylic acid + amine ( amide + water |
| | |[pic] |
| |Reduction |carboxylic acid + [H] ( aldehyde and alcohol |
| | |[pic] |
|Esters |Hydrolysis |ester + base ( salt of carboxylic acid + alcohol |
| | |[pic] |
|Amides |Hydrolysis |amide + water ( carboxylic acid + amine |
| | |[pic] |
-----------------------
asymmetrical
symmetrical
X is halide
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