RXNs Flashcards
1
Q
Primary alcohol
A
- Reduction w/ NaBH4 of aldehyde
- Aldehyde w/ OM reagent(organolithlium)
- Ester w/(1.LAH,2.H3O+) @RT
- Carboxylic acid (1.LAH,2.H3O+) @Low Temp - RT
2
Q
Secondary alcohol
A
- Reduction (LiAlH6, THF 2.H2O) of ketone
2. OM w/ aldehyde
3
Q
Tertiary alcohol
A
- Ketone w/ OM reagent(1.OM,THF-2.H2O)
2. Ester + 1. Grignard, 2. H2O
4
Q
Carboxylic Acids
A
- Carbonation of grignard
- Oxidation of primary alcohol (Chromic acid oxidation w/ JONES reagent)
- Acid-Catalyzed Hydrolysis of Ester (Ester + H2O) P-N-D-P LG- D
- Base-Promoted Hydrolysis of Ester (Ester + NaOH) N-LG-D-P
- Carboxylic acid derivative hydrolysis
Acid chloride, Acid anhydride, Ester(3,4), Amide, Nitrile
5
Q
Aldehyde
A
- PCC or PDC oxidation of primary alcohol w/ PCC or PDC and MeCl2
- Amide + (1.LAH,2.H2O) 0C
6
Q
Ketone
A
- PCC or PDC oxidation of secondary alcohol w/ PCC or PDC and CH2Cl2
- Oxidation of secondary alcohol (Chromic acid oxidation w/ JONES reagent)
- Amide + Grignard (1.Grig - 2.H3O+)
7
Q
Esters
A
- Acid-Cat’d Esterification from Carboxylic acid + ROH
(Protination - Nuc attack - Deprotination - Protination + H2O LG - Deprotination) - O Acylation - Acid Chloride + ROH (pyridine)
- O Acylation - Acid Anhydride + ROH (pyridine)
8
Q
Amide
A
- N acylation W/ Acid Chloride + 2 Me2NH
- N acylation W/ Acid Anhydride + 2 Me2NH
- Aminolysis W/ Ester + NH3 + Heat
9
Q
Preparation of acid chloride
A
- Carboxylic acid + PCl5 or PCl3
2. Carboxylic acid + Thionyl Chloride
10
Q
Preparation of Anhydrides
A
- Acid chloride and carboxylate
11
Q
Amine
A
- Amide + 1.LAH, 2. H2O (@RT)
2. . Nitrile + (1.LAH,Et2O, 2.H2O) –> 1o Amine