| 摘要 |
A novel process of preparation of a compound of 3-(2-Dimethylamino)-N-methyl-1H-indole-5-methane sulfonamide, which comprises of a reaction 4-hydrazino-N-methyl benzene methane sulfonamide with 4-dimethyl amino butyraldehyde diethyl acetal in a chlorinated solvent in the presence of ethyl poly phosphate and conversion of the crude product to a product of 3-(2-Dimethylamino)-N-methyl-1H-indole-5-methane sulfonamide succinate of extra high purity and colour. |
