反应详情

Using the procedure of Example 1, 3-nitro-8,9-dihydro [5H] benzocycloheptene-5-one and dimethylamine were reacted to obtain a non-salified product which was treated in ethyl acetate with a solution of ethyl acetate saturated with gaseous hydrogen chloride to obtain a product which was crystallized from isopropanol to obtain 2-nitro-7-dimethylamino-6,7-dihydro [5H] benzocycloheptene hydrochloride melting at 202° C.

1. customwere reacted
2. customto obtain a non-salified product which
3. customto obtain a product which
4. customwas crystallized from isopropanol