反応 #85337

反応方程式

tert-butyl 4-({2-[5-chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]-4-methylpentanoyl}amino)benzoate

TFA

→

4-({2-[5-Chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]-4-methylpentanoyl}amino)benzoic acid

反応条件

後処理

1. 1
   その他The crude product was purified by preparative HPLC (Reprosil C18, water/acetonitrile gradient)

実験手順

45 mg (0.08 mmol) of tert-butyl 4-({2-[5-chloro-4-(5-chloro-2-cyanophenyl)-2-oxopyridin-1(2H)-yl]-4-methylpentanoyl}amino)benzoate (racemate) were hydrolysed with TFA according to General Method 2. The crude product was purified by preparative HPLC (Reprosil C18, water/acetonitrile gradient). Yield: 28 mg (purity 90%, 62% of theory)

出典