反应详情

4-Piperidone monohydrate (2.0 mmol) and 2-[(5-chloro-1H-indole-2-carbonyl)-amino]-3-phenyl-propionic acid (1.0 mmol) were coupled according to procedure A (0-25° C. reaction temperature) substituting the following workup: the reaction mixture was diluted with ethyl acetate, the resulting solution washed with 2 N NaOH and 2 N HCl, the suspension filtered and the solids dried: Yield 111 mg, 26%; HPLC (60/40) 8.88 minutes (92%); PBMS 424/426 (MH+, 100%); mp 258-261° C.; PBMS 424/426 (MH+, 100%);

1. washthe resulting solution washed with 2 N NaOH and 2 N HCl
2. filtrationthe suspension filtered
3. customthe solids dried
4. customHPLC (60/40) 8.88 minutes (92%)