[CH3:1][O:2][C:3]1[CH:4]=[C:5]([C@@H:11]2[C@H:16]([NH2:17])[CH2:15][CH:14]=[CH:13][CH2:12]2)[CH:6]=[CH:7][C:8]=1[O:9][CH3:10].[CH:18]1([CH2:21][O:22][C:23]2[CH:24]=[C:25]([CH:29]=[CH:30][C:31]=2[O:32][CH2:33][CH:34]2[CH2:36][CH2:35]2)[C:26](Cl)=[O:27])[CH2:20][CH2:19]1>ClCCl>[CH:18]1([CH2:21][O:22][C:23]2[CH:24]=[C:25]([CH:29]=[CH:30][C:31]=2[O:32][CH2:33][CH:34]2[CH2:36][CH2:35]2)[C:26]([NH:17][C@H:16]2[C@@H:11]([C:5]3[CH:6]=[CH:7][C:8]([O:9][CH3:10])=[C:3]([O:2][CH3:1])[CH:4]=3)[CH2:12][CH:13]=[CH:14][CH2:15]2)=[O:27])[CH2:19][CH2:20]120 g of (±)-cis-6-(3,4-dimethoxyphenyl)-cyclohex-3-enylamine (compound G1) are dissolved in 125 ml of dichloromethane and treated with a solution of 24.1 g of 3,4-bis-cyclopropylmethoxybenzoyl chloride in 125 ml of dichloromethane at room temperature. After 1 h the reaction mixture is extracted with 2 N hydrochloric acid and water, the organic phase is dried using sodium sulfate and concentrated. 38.3 g of the title compound of m.p. 152-153.5° C. are obtained.
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