| 摘要 |
The invention concerns a method for monosulphonylation of an aminobenzofuran compound. More particularly, the invention concerns a method for monosulphonylation of 2-n-alkyl-aminobenzofuran. The inventive method is a method for monosulphonylation of an aminobenzofuran compound characterized in that it consists in reacting said compound with an sulphonylating agent, in the presence of a base whereof the associated acid has a pka not less than 5 and not more than 10. |
