Réaction #71813

Équation de réaction

Example ( 1f )

Ethyl 2-bromo-1,3-benzothiazole-7-carboxylate

tert-butyl trans(±)-3-(butylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidine-1-carboxylate

trans(±)-2-[3-(Butylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidin-1-yl]-1,3-benzothiazole-7-carboxylic acid

sodium carbonate

ethyl 2-bromo-1,3-benzothiazole-7-carboxylate

→

title compound

Rendement 76.0%

Ethyl trans(±)-2-[3-(butylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidin-1-yl]-1,3-benzothiazole-7-carboxylate

Rendement 76.0%

Conditions de réaction

Traitement

1. 1
   Autreobtained by the method

Mode opératoire

The same operation as in Example (1h) was performed using tert-butyl trans(±)-3-(butylamino)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidine-1-carboxylate obtained in Example (77d) (16.3 mg, 0.038 mmol), sodium carbonate (40 mg, 0.38 mmol) and ethyl 2-bromo-1,3-benzothiazole-7-carboxylate obtained by the method described in Example (1f) (13.2 mg, 0.046 mmol), to obtain 15.5 mg of the title compound (76%).

Source