Ammonium Hydroxide → HCID 178505165, compound

Participants

Reaction Conditions

Reaction Steps

Phenyl 4-[2-[4-(3-bromo-8-chloro-6,11-dihydro-5 H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperazinyl]-2-oxoethyl]-N-(methylsulfonyl)-1-piperidinecarboximidate (Formula 22.0, prepare as described in Example 21 above) is dissolved in 2-propanol and concentrated ammonium hydroxide is added. The mixture is stirred at 25° C. for 24 h and then is evaporated to dryness. The residue is triturated with diethyl ether (2×250 ml) and the ether is discarded. The remaining product is chromatographed on a silica gel column to give the title compound (Formula 23.0).

Provenance & Evidence