O-tosylcinchonine
A
(Z)-1-(quinolin-4-yl)-3-((3R,4R)-3-vinylpiperidin-4-yl)prop-1-enyl 4-methylbenzene sulfonate
B
Cinchonin
Conditions | Yield |
---|---|
With salicylic acid In ethylene glycol at 95℃; for 0.5h; Microwave irradiation; | A 60% B 15% C 15% |
methanesulfonic acid (quinolin-4-yl)(5-vinyl-1-azabicyclo[2.2.2]oct-2-yl)methyl ester
A
Cinchonin
C
(1S,2R,3S,5S,6R)-2-(quinolin-4-yl)-6-vinyl-1-azabicyclo[3.2.2]nonan-3-ol
Conditions | Yield |
---|---|
With water; tartaric acid at 100℃; Title compound not separated from byproducts; | A n/a B n/a C 48% D 1% |
cinchonan-9-one
acetic acid
Cinchonin
Conditions | Yield |
---|---|
at 60 - 70℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; im Rohr; isomer(ic) I; |
Conditions | Yield |
---|---|
With dibutyltin(II) dilaurate In toluene at 110℃; for 48h; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran at -10 - 50℃; for 6h; Inert atmosphere; Schlenk technique; | 99% |
In tetrahydrofuran at -78.16℃; for 12h; Inert atmosphere; |
anthracenylmethyl chloride
Cinchonin
Conditions | Yield |
---|---|
In toluene at 110℃; for 2h; | 98% |
In toluene Reflux; | 94% |
In toluene for 24h; Heating; | 80% |
Cinchonin
Conditions | Yield |
---|---|
In tetrahydrofuran; N,N-dimethyl-formamide Reflux; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran Reflux; | 96% |
benzyl chloride
Cinchonin
(9S)-9-hydroxy-1-(phenylmethyl)-cinchonanium chloride
Conditions | Yield |
---|---|
In ethanol; chloroform; N,N-dimethyl-formamide at 100℃; for 10h; | 95% |
With ethanol | |
In N,N-dimethyl-formamide at 80℃; for 3h; N-quaternization; |
(1E)-1,2-bis[3-(bromomethyl)phenyl]diazene
Cinchonin
Conditions | Yield |
---|---|
In tetrahydrofuran; acetonitrile Reflux; | 95% |
Conditions | Yield |
---|---|
Stage #1: Cinchonin With sodium hydride In tetrahydrofuran at 70℃; for 2h; deprotonation; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran at 60 - 70℃; for 10h; Tosylation; | 94% |
With tributyl-amine; potassium hydroxide In dichloromethane; water at 20℃; for 24h; | 90% |
With pyridine |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; for 10h; | 92% |
With sulfuric acid; palladium Hydrogenation; | |
With palladium; acetic acid Hydrogenation; |
Conditions | Yield |
---|---|
Stage #1: Cinchonin With potassium hydride In N,N-dimethyl-formamide; mineral oil; pentane at 0 - 50℃; for 3h; Inert atmosphere; Stage #2: methyl iodide In N,N-dimethyl-formamide; mineral oil; pentane at 0 - 20℃; Inert atmosphere; | 91% |
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; Stage #2: methyl iodide In N,N-dimethyl-formamide; mineral oil at 20℃; | 60% |
Stage #1: Cinchonin With potassium hydride In tetrahydrofuran; mineral oil at 0 - 50℃; for 3h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 20℃; Inert atmosphere; | 59% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃; under 760.051 Torr; for 16h; | 90% |
methanesulfonyl chloride
Cinchonin
methanesulfonic acid (quinolin-4-yl)(5-vinyl-1-azabicyclo[2.2.2]oct-2-yl)methyl ester
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; | 88% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 5.5h; Reflux; | 87.8% |
In tetrahydrofuran for 84h; Heating; | 52% |
Conditions | Yield |
---|---|
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: benzyl chloride In N,N-dimethyl-formamide; mineral oil | 87% |
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: benzyl chloride In N,N-dimethyl-formamide; mineral oil | 86% |
Conditions | Yield |
---|---|
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: allyl bromide In N,N-dimethyl-formamide; mineral oil | 87% |
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: allyl bromide In N,N-dimethyl-formamide; mineral oil | 87% |
Stage #1: Cinchonin With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: allyl bromide In N,N-dimethyl-formamide; mineral oil at 20℃; | 87% |
With sodium hydride In N,N-dimethyl-formamide at 30℃; for 2h; | 87% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide; isopropyl alcohol at 70℃; for 12h; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
With potassium hydroxide In toluene for 1h; Inert atmosphere; Reflux; | 87% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 4.5h; Reflux; | 86.9% |
In tetrahydrofuran for 16h; Reflux; | 82% |
In acetonitrile at 20℃; for 24h; Inert atmosphere; |
Conditions | Yield |
---|---|
In tetrahydrofuran for 16h; Reflux; | 86% |
3,5-bis(trifluoromethyl)benzyl bromide
Cinchonin
Conditions | Yield |
---|---|
In tetrahydrofuran for 12h; Heating; | 85% |
In tetrahydrofuran for 24h; Reflux; | 79% |
In toluene at 80℃; Inert atmosphere; | 72% |
Conditions | Yield |
---|---|
With dmap In dichloromethane at 50℃; | 84% |
2-bromomethylnaphthyl bromide
Cinchonin
N-(2-napthylmethyl)cinchoninium bromide
Conditions | Yield |
---|---|
In tetrahydrofuran for 16h; Reflux; | 83% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 12h; Reflux; Inert atmosphere; | 82% |
1-bromomethyl-2-chlorobenzene
Cinchonin
N-(2-chlorobenzyl)cinchoninium bromide
Conditions | Yield |
---|---|
In tetrahydrofuran for 6h; Reflux; | 81.2% |
Cinchonin
Conditions | Yield |
---|---|
Stage #1: Cinchonin With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 0.25h; Inert atmosphere; Stage #2: With diphenylphosphoranyl azide In tetrahydrofuran at 0 - 50℃; Inert atmosphere; Stage #3: With hydrogenchloride In dichloromethane; water | 81% |
Stage #1: Cinchonin With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: With ammonia In tetrahydrofuran; chloroform at 0 - 60℃; | 78% |
Multi-step reaction with 2 steps 1.1: diphenyl phosphoryl azide; triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 0 - 50 °C 2.1: triphenylphosphine / 15 h / 50 °C 2.2: 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
In ethanol; chloroform; N,N-dimethyl-formamide at 100℃; | 80% |
9-bromoethylanthracene
Cinchonin
N-(anthracen-9-ylmethyl)cinchoninium bromide
Conditions | Yield |
---|---|
In tetrahydrofuran for 4.5h; Reflux; | 79.6% |
In tetrahydrofuran for 8h; Inert atmosphere; Reflux; | 71% |
In tetrahydrofuran for 16h; Reflux; | 52% |
p-Methoxybenzyl bromide
Cinchonin
N-(4-methoxybenzyl)cinchoninium bromide
Conditions | Yield |
---|---|
In tetrahydrofuran for 3.5h; Reflux; | 78.6% |
Conditions | Yield |
---|---|
In chloroform 1.) reflux, 40 min, 2.) room temperature, 19 h; | 77% |
In tetrahydrofuran for 5.5h; Reflux; | 66.3% |
In tetrahydrofuran for 44h; Heating; | 41% |
Conditions | Yield |
---|---|
In chloroform 1.) reflux, 2.) room temperature; | 77% |
1. | ipr-rat LD50:152 mg/kg | APTOA6 Acta Pharmacologica et Toxicologica. 4 (1948),265. | ||
2. | scu-mus LDLo:400 mg/kg | AEPPAE Naunyn-Schmiedeberg’s Archiv fuer Experimentelle Pathologie und Pharmakologie. 205 (1948),129. | ||
3. | scu-frg LDLo:200 mg/kg | AEPPAE Naunyn-Schmiedeberg’s Archiv fuer Experimentelle Pathologie und Pharmakologie. 205 (1948),129. |
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