反应详情

A solution of 120 mg (0.22 mmol) (R)-1-carboxy-2-(7-methyl-1H-benzimidazol-5-yl)-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate, 80 mg (0.25 mmol) TBTU, 40 μL (0.29 mmol) triethylamine and 80 mg (0.33 mmol) 1-methanesulphonyl-[4,4′]bipiperidinyl in 1.5 mL DMF was stirred overnight at RT. The reaction mixture was purified by HPLC without working up. The fractions containing the product were combined and lyophilised.

1. customThe reaction mixture was purified by HPLC
2. additionThe fractions containing the product