5-(N-isobutylaminomethyl)4,5-dihydro-5-methylthieno[2,3-b]thiophene-2-sulfonamide-6,6-dioxide hydrochloride 、 、
三氟乙酸 、
盐酸 在
4,5-dihydro-5-methyl-5-isopropylaminomethylthieno[2,3-b]thiophene-2-sulfonamide-6,6-dioxide hydrochloride 作用下,
以to give the title compound as a white solid (1.32 g, 48% over two steps), mp=132°-135° C的产率得到4,5-dihydro-5-methyl-5-isopropylaminomethylthieno[2,3-b]thiophene-2-sulfonamide-6,6-dioxide hydrochloride