Organic chemical reaction Flashcards
Alkanes
Combustion
substitution
Alkane:
Combustion
Alkane + O2 —∆–> CO2 + H20
Alkane:
Substitution
Alkane + X2 (Halogen) –Light–> Haloakane (must have light or heat!)
[X2 = Cl2, Br2, or I2
Alkenes
will also occur with alkynes
combustion
addition
others:
alkenes:
combustion
alkene + O2 —∆—> CO2 + H2O
Alkenes:
Addition Rules
adding atoms to the double/triple bond of alkene or alkyne to form single bonds
- Reactioins needs catalyst
- follow markonikovs rules
Alkenes:
Addition
Hydrogenation
Hydration
Halogenation
Hydrohalogenation
Alkenes
Addition
Hyrogenation
Alkene + H2 –Pt–> Alkane
Alkene
Addition
Hydration
Alkene +H2) –H+–> Alcohol **
Alkene
Addition
Halogenation
Alkene + X2 –> Haloalkane
happens in darkness, bromine test
Alkene
Addition
Hydrohalogenation
Alkene + HX –> Haloalkane **
[HX = HCl, HBr, HI]
Alkene:
Others
Reactions that produce alkene Dehydrogenation Dehydration Dehalogenation Dehydrohalogenatioin
Alkene
Others
Dehydrogenation
Alkane –> Alkene + H2
Alkene
Others
Dehydration
Alcohol –> Alkene + H2O
Alkene
Others
Dehalogenation
Haloalkane –> Alkene + X2
[X2 = Cl2, Br2, or I2
Alkene
others
Dehydrohalogenation
Haloalkane –> Alkene + HX
[HX = HCl, HBr, or HI
Alcohols
oxidation
dehydration
Alcohols
Oxidation
1° Alcohol
2° Alcohol
3° Alcohol
1° alcohol —[O]–>
Aldehyde
2° alcohol —[O]–>
Ketone
3° alcohol —[O]–>
No reaction
Alcohols
dehydration
Alcohol —> Alkene + H2O
Thiols
oxidation
2 Thiols –[O]–> Disulfide
(important for 3° structure of protein
Amines
amies are weak bases
Acid/Base:
Acid + Amine —> Ammonium salt of the acid + H2O
Aldehydes
Oxidation
Reduction
Hemiacetal formation
Acetal formation
Aldehydes:
oxidation
Aldehyde –[O]–> Carboxylic acid
Aldehydes:
Reduction
Aldehyde –[H]—> 1° alcohol
Aldehydes:
*Hemiacetal formation
Aldehyde + Alcohol Hemiacetal
Acetal Formation *
Hemiacetal + Alcohol Acetal
- formation
forward reaction important for the formation of cyclic monosaccharides, and di and polysaccharides
- reverse raection for the formation of linear monosaccharides and the hydrolysis of di- and polysaccharides
Ketones
Oxidation
Reduction
*Hemiketal formation
*Ketal formation
Ketones
Oxidation
Ketone –[O]—> No reaction
Ketones
Reduction
Ketone –[H]–>2° alcohol
ketones
* Hemiketal formation
Ketone + alcohol Hemiketal
*Ketal Formation
Hemiketal + Alcohol Ketal
Carboxylic Acids
Oxiddation Reduction Acid/Base *Esterfication *Amidation
Carboxylic Acid
Oxidation
Carboxylic Acid —[O]–> No Reaction
Carboxylic Acid
Reduction
Carboxylic Acid —[H]—> Aldehyde
Carboxylic Acid
Acid/Base
Carboxylic Acid + Strong Base —-> Carboxylic Acid Salt + H2O
Carboxylic Acid
*Esterfication
Carboxylic Acid + Alcohol —> Ester (*Lipid formation) + H2O
Carboxylic Acid
Amidation*
Carboxylic Acid + Amine —> amide (*peptide formation) + H2O
Esters
Hydrolysis
Saponification
Esters
Hydrolysis
Ester + H2O Carboxylic Acid + alcohol
Esters
Saponification
Lipid + NaOH —> Na salt of fatty acid (soap) + Alcohol
Acetal
Central Carbon is bonded to?
1R Group
2 OR groups
1 Hydrogen Atom
Hemiacetal
Central Carbon is bonded to?
1 R group
1 OR group
1 OH group
1 Hydrogen Atom
Ketal
Central carbon is bonded to?
2 R groups ( can be different)
2 OR groups
Hemiketal
Central carbon i bonded to?
2 R groups (can be different)
1 OR group
1 OH group
Naming Esters
- the alkyl group from the alcohol OR
- The carbon chain from the acid with - ate ending R-C=O (carboxylic acid)
Phenyl group
ʘ + something
Benzyl Group
ʘ + C + something
Naming aldehydes
- al
H-C=O
=O + H
Ketones
- one
R-C=O
|
R
=O
Carboxylic Acid
-oic acid
R -C= O
|
OH
=O + OH