Dimethylformamide → Phenethylamine
Reaction equation
[N+](C1C=CC(OC(=O)[C:12](C)=[CH:13][C:14]2[CH:19]=[C:18](OC)[C:17](OC)=[CH:16][C:15]=2N)=CC=1)([O-])=O.C[N:28](C)C=O>>[C:14]1([CH2:13][CH2:12][NH2:28])[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1Participants
Procedure
Into 30 ml of dimethylformamide, 0.72 g (2.0 mmol) of (E) 3-(2-amino-4,5-dimethoxyphenyl)-2-methyl-2-propenoic acid p-nitrophenyl ester obtained above and 0.48 g (4.0 mmol) of 2-phenylethylamine (manufactured by Tokyo Kasei Kogyo Co., Ltd.) were dissolved; and the mixture was reacted at room temperature for one night. The solvent was eliminated under a reduced pressure, and the residue was dissolved in ethyl acetate. After the resulting solution was washed and was dried with magnesium sulfate anhydride, the solvent was eliminated under a reduced pressure, whereby a crude product was obtained. This product was refined by an aminopropyl-modified type silica gel column chromatography (n-hexane/ethyl acetate=1/1), whereby 0.68 g of the aimed compound was obtained (yield: quantitative).
Sources & evidence
- ORD record
- ord-59f544c5056e4e05a91990126fa96b37
- Source dataset
- uspto-grants-2001_12
- Patent number
- US06329546B1
Reaction notes
Loading…