HRID2053886
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
PROCEDURE
实验过程
Prepared analogously to Example 1g from 2-chloro-4-{N-[(1S)-1-(5-chloro-1H-benzimidazol-2-yl)ethyl]aminocarbonyl}benzoic acid, TBTU, diisopropylethylamine, and piperazin-2-one in tetrahydrofuran. Yield: 58%; Rf value: 0.22 (silica gel; dichloromethane/ethanol=9:1); C21H19Cl2N5O3 (460.32); mass spectrum: (M+H)+=460/462/464 (chlorine isotope) and (M−H)−=458/460/462 (chlorine isotope).