Dimethylformamide → 3-(4-[2-([10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl]-methyl-amino)-ethoxy]-phenyl)-2-ethoxypropanoic acid ethyl ester

HRID 323597Notes

Reaction equation

Cl.[CH3:2][NH:3][CH:4]1[C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[CH2:8][CH2:7][C:6]2[CH:15]=[CH:16][CH:17]=[CH:18][C:5]1=2.Br[CH2:20][CH2:21][O:22][C:23]1[CH:28]=[CH:27][C:26]([CH2:29][CH:30]([O:36][CH2:37][CH3:38])[C:31]([O:33][CH2:34][CH3:35])=[O:32])=[CH:25][CH:24]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O.C1C=CC=CC=1>[CH2:34]([O:33][C:31](=[O:32])[CH:30]([O:36][CH2:37][CH3:38])[CH2:29][C:26]1[CH:27]=[CH:28][C:23]([O:22][CH2:21][CH2:20][N:3]([CH:4]2[C:5]3[CH:18]=[CH:17][CH:16]=[CH:15][C:6]=3[CH2:7][CH2:8][C:9]3[CH:14]=[CH:13][CH:12]=[CH:11][C:10]2=3)[CH3:2])=[CH:24][CH:25]=1)[CH3:35]

Participants

Conditions

Temperature: 100 °C

Procedure

A mixture of 5-(methylamino)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene hydrochloride(1.8 g, 6.94 mmol), ethyl 3-(4-bromethoxyphenyl)-2-ethoxypropanoate (2.4 g, 6.95 mmol), potassium carbonate (2.9 g, 21 mmol) and dimethylformamide (7 ml) was heated at 100° C. for 5 h. Benzene (200 ml) and water (200 ml) were added and the phases were separated. The organic phase was dried and the solvent evaporated in vacuo. The residue was purified by chromatography on silica gel eluting with benzene/chloroform to give 2.2 g (65%) of the title compound as an oil. RF=0.60 (chloroform/ethanol/ammonia=20:2:0.1)

Workup

customthe phases were separated
customThe organic phase was dried
customthe solvent evaporated in vacuo
customThe residue was purified by chromatography on silica gel eluting with benzene/chloroform

Sources & evidence

ORD record: ord-4ab34211c26b4172b4b07729bae6f28e
Source dataset: uspto-grants-2001_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06214820B1

Reaction notes

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