Pyridine → HCID 178483252, compound

Participants

Reaction Conditions

Reaction Steps

100 mg of 3-Z-[1-(4-dimethylaminomethyl-anilino)-1-(4-aminomethyl-phenyl)-methylene]-6-chloro-2-indolinone (educt 14.0) are dissolved in 5 ml methylene chloride and at 0° C. 5 ml of pyridine and 45 μl of benzenesulphonylchloride are added. The mixture is stirred for 10 minutes at 0° C. and then for 2 hours at ambient temperature. After this time the solvent is eliminated, the residue is suspended in 1N sodium hydroxide solution, suction filtered and washed with a little water. The product is dried at 100° C.

Provenance & Evidence