Reaktion #71900

Reaktionsgleichung

ethyl cis(±)-2-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidin-1-yl)-4-methyl-1,3-oxazole-5-carboxylate

Ethyl cis(±)-2-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidin-1-yl)-4-methyl-1,3-oxazole-5-carboxylate

lithium hydroxide

methanol

→

title compound

Ausbeute 89.9%

cis(±)-2-(4-{[(4-Chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidin-1-yl)-4-methyl-1,3-oxazole-5-carboxylic acid

Ausbeute 89.9%

Lösungsmittel

THF

Reaktionsbedingungen

Vorschrift

The same operation as in Example (91d) was performed using ethyl cis(±)-2-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidin-1-yl)-4-methyl-1,3-oxazole-5-carboxylate obtained in Example (107c) (0.12 g, 0.27 mmol), 2 N lithium hydroxide (3 mL, 6 mmol), methanol (5 mL) and THF (3 mL), to obtain 0.10 g of the title compound as a colorless solid (89%).

Quelle