N-[3-(3-butyl-7-dimethylamino-3-ethyl-4-hydroxy-1,1-dioxo-2,3,4,5-tetrahydro-1H-benzo[b]thiepin-5-yl)phenyl]-5-bromopentanamide → N-[3-(3-Butyl-7-dimethylamino-3-ethyl-4-hydroxy-1,1-dioxo-2,3,4,5-tetrahydro-1H-benzo[b]thiepin-5-yl)-phenyl]-5-{4-[3-(3-hydroxy-3-phenylpropyl)-2-(4-methoxyphenyl)-4-oxoazetidin-1-yl]benzylamino}pentanamide

Participants

Reaction Conditions

Reaction Steps

100 mg of N-[3-(3-butyl-7-dimethylamino-3-ethyl-4-hydroxy-1,1-dioxo-2,3,4,5-tetrahydro-1H-benzo[b]thiepin-5-yl)phenyl]-5-bromopentanamide and 70 mg of 1-(4-aminomethylphenyl)-3-(3-hydroxy-3-phenylpropyl)-4-(4-methoxyphenyl)azetidin-2-one are dissolved in 5 ml of dimethylformamide and, with stirring, heated at 80° C. for about 2 to 3 hours. After the reaction has ended (monitored by thin-layer chromatogram or HPLC-MS), the solvent is removed under reduced pressure and the residue is purified by chromatography. This gives product 1 of molecular weight 929.24 (C55H68N4O7S); MS (FAB): 929 (M+H+).

Provenance & Evidence