Ethyl 7-tert-butyl-2,3-dihydro-3,3-dimethylbenzofuran-5-carboximidic acid hydrochloride 、
正丁胺 、
chloroform methanol 在
甲醇 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以to give the title compound as a white powder (243 mg, 55.7%), mp=236°-237° C.的产率得到N-Butyl-7-tert-butyl-2,3-dihydro-3,3-dimethylbenzofuran-5-carboximidamide hydrochloride