反应详情

To 15 ml of an acetone solution containing 0.30 g of N-[5-(n-butylaminoacetylamino)-4-nitro-2-phenoxyphenyl]methanesulfonamide obtained by the procedure of Example 1 was added 0.06 ml of 12N hydrochloric acid, followed by stirring for 15 minutes. The precipitate was collected by filtration and washed with acetone to give 0.24 g of N-[5-(n-butylaminoacetylamino)-4-nitro-2-phenoxyphenyl]methanesulfonamide hydrochloride as yellow crystals.

1. customobtained by the procedure of Example 1
2. filtrationThe precipitate was collected by filtration
3. washwashed with acetone