HRID251857

反应详情

EQUATION

反应方程式

HRID 251857 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

15.0 g of 8-chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (for preparation see DE 3420743 or Y. Kimura et al., J. Med. Chem. (1994) 37:3344) are dissolved in 500 ml of DMF and 31.3 g of PyBOP and 10.6 g of 2,4-dichlorobenzylamine are added. After a day the solvent is removed and the residue is purified by flash chromatography on silica gel (toluene/ethyl acetate 95:5).

WORKUP

后处理

  1. customAfter a day the solvent is removed
  2. customthe residue is purified by flash chromatography on silica gel (toluene/ethyl acetate 95:5)