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inquirynaltrexone Hydrochloride
norbinaltorphimine
Conditions | Yield |
---|---|
With hydrazine dihydrochloride; methanesulfonic acid In N,N-dimethyl-formamide at 105℃; Temperature; Solvent; Reagent/catalyst; Inert atmosphere; | 96% |
With hydrazine dihydrochloride; methanesulfonic acid 1.) DMF, 100 deg C, 6 h, 2.) DMSO, 130 deg C, 3 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With hydrazine dihydrochloride In N,N-dimethyl-formamide at 100℃; Reagent/catalyst; Temperature; | A 80% B 9% |
With hydrazine dihydrochloride; methanesulfonic acid In N,N-dimethyl-formamide at 109℃; Reagent/catalyst; Temperature; | A 30% B 60% |
naltrexone Hydrochloride
hydromorphone hydrochloride
A
norbinaltorphimine
Conditions | Yield |
---|---|
With 1-amino-pyrrolidine-2,5-dione; hydrochloride In N,N-dimethyl-formamide at 100℃; for 18h; | A 19% B 24.5% C 12% |
Naltrexone
norbinaltorphimine
Conditions | Yield |
---|---|
Stage #1: Naltrexone With hydrazine In N,N-dimethyl-formamide at 100℃; Stage #2: With methanesulfonic acid In dimethyl sulfoxide at 130℃; |
methyl 2-(bromomethyl)propenoate
norbinaltorphimine
Conditions | Yield |
---|---|
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane for 2h; | 97% |
benzyl bromide
norbinaltorphimine
Conditions | Yield |
---|---|
Stage #1: norbinaltorphimine With 18-crown-6 ether; sodium hydride In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: benzyl bromide In tetrahydrofuran for 43h; Stage #3: With hydrogenchloride In methanol at 90℃; for 40h; | 63% |
Conditions | Yield |
---|---|
In methanol; diethyl ether at 24℃; for 0.166667h; | A 56% B 28% |
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