N,N-Diethylaniline → HCID 13150467, compound
Reaction equation
[CH:1]([O:4][C:5]1[CH:6]=[C:7]([CH:9]=[C:10]([O:12][CH:13]([CH3:15])[CH3:14])[CH:11]=1)[NH2:8])([CH3:3])[CH3:2].CCN(C1C=CC=CC=1)CC.Cl[C:28]([O:30][CH2:31][CH3:32])=[O:29]>C1C=CC=CC=1>[CH:13]([O:12][C:10]1[CH:9]=[C:7]([NH:8][C:28](=[O:29])[O:30][CH2:31][CH3:32])[CH:6]=[C:5]([O:4][CH:1]([CH3:3])[CH3:2])[CH:11]=1)([CH3:15])[CH3:14]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
3,5-Diisopropyloxyaniline (2 g) and diethylaniline (1.5 g) were dissolved in benzene (20 ml). To the resultant mixture was dropwise added ethyl chloroformate (1.2 g) under ice-cooling. After being allowed to stand at room temperature for 12 hours, the reaction mixture was poured into ice water and extracted with ethyl acetate. The extract was washed with water, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel chromatography using a mixture of benzene and tetrahydrofuran as the eluent to give ethyl N-(3,5-diisopropyloxyphenyl)carbamate (1.9 g) in a yield of 67.6%. M.P., 81.5°-82° C.
Workup
- temperaturecooling
- extractionextracted with ethyl acetate
- washThe extract was washed with water
- dry with materialdried over magnesium sulfate
- concentrationconcentrated under reduced pressure
- customThe residue was purified by silica gel chromatography
- additiona mixture of benzene and tetrahydrofuran as the eluent
Sources & evidence
- ORD record
- ord-189654e5bbb54e148746d2f79d42d8a7
- Source dataset
- uspto-grants-1985_02
- Patent number
- US04501756
Reaction notes
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