Reaktion #94059
ord-1b0a258bfe104ae1a025a9460502811f
Reaktionsgleichung
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
Edukte
Reagenzien
Keine
Lösungsmittel
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Vorschrift
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).