tert-Butyl 2-chloro-2-oxoacetate → tert-Butyl[(1R,2S)-1-[1-(4-fluorophenyl)indazol-5-yl]oxy-1-(3-methoxyphenyl)propan-2-yl]carbamoylformate

Beteiligte Stoffe

Reaktionsschritte

Prepared as described in Example 1 using (1R,2S)-1-[1-(4-fluorophenyl)-indazol-5-yl]oxy-1-(3-methoxyphenyl)-propan-2-amine (50 mg, 0.13 mmol) and tert-butyl 2-chloro-2-oxoacetate (0.064 mL, 0.40 mmol) [prepared according to G. Bucher at al, Eur J Org Chem, 545-552 (2001); b.p. 54-55° C., 21 mmHg]. Yield 44 mg (66%).

Herkunft & Nachweise