Reacción #94059

Ecuación de reacción

N-butyl-11-(butylimino)-1-ethyl-1,5,6,11-tetrahydrobenzo[5,6]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridin-4-amine

sulfuric acid

→

4-(Butylamino)-1-ethyl-5,6-dihydrobenzo[5,6]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridin-11(1H)-one

Disolventes

ethyl acetate ether

Condiciones de reacción

Procedimiento

7.2 g. of N-butyl-11-(butylimino)-1-ethyl-1,5,6,11-tetrahydrobenzo[5,6]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridin-4-amine (0.018 mol.) and 100 ml. of aqueous sulfuric acid (30%) are reacted according to the procedure of Example 6, yield: 4.7 g. (75%); m.p. 181°-183° (ethyl acetate/ether).

Fuente