Piperidine hydrochloride Chemical Properties Melting point 245-248 °C(lit.) density 1,12 g/cm3 vapor density 2.94 (vs air) vapor pressure 63.6 mm Hg ( 37.8 °C) Fp >230 °F storage temp. Store below +30°C. sol
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inquiryProduct name: Piperidine Hydrochloride CAS No.:6091-44-7 Molecule Formula:C5H12N Molecule Weight:86.15 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
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inquirypiperidine
A
Succinimide
B
N,N'-thiodipiperidine
C
piperidine hydrochloride
Conditions | Yield |
---|---|
With N-chlorothiophthalimide In 1,2-dichloro-ethane at 20 - 25℃; for 2h; | A n/a B 77% C 100% |
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In ethanol for 2h; Reflux; | 100% |
With tetrachloromethane; dicarbonylchloro(2,1,3-benzothiadiazole)rhodium(I) for 360h; Ambient temperature; also with other chlorinated solvents and rhodium complex catalysts; | 50% |
Multi-step reaction with 2 steps 1: 18 percent / CHCl3 / 8 h / Heating 2: 0.4 g / HCl / diethyl ether View Scheme |
Conditions | Yield |
---|---|
Stage #1: pyridine With palladium 10% on activated carbon; hydrogen; acetic acid at 24 - 28℃; for 15h; Stage #2: With hydrogenchloride In methanol; water Catalytic behavior; | 100% |
Stage #1: pyridine With palladium on activated charcoal; hydrogen; acetic acid at 20℃; under 760.051 Torr; for 15h; Stage #2: With hydrogenchloride In methanol; water Time; | 100% |
With hydrogenchloride; methanol; lithium triethylborohydride 1.) THF, RT. 0.5 h; Yield given. Multistep reaction; | |
Stage #1: pyridine With ammonium formate; 10percent palladium on carbon In methanol at 20℃; for 16h; Stage #2: With hydrogenchloride In methanol Further stages.; | 95 % Spectr. |
Stage #1: pyridine With hydrogen In 1,4-dioxane at 100℃; under 15001.5 Torr; for 3.33333h; Autoclave; Stage #2: With hydrogenchloride |
Conditions | Yield |
---|---|
Stage #1: 2-chloropyridine-N-oxide With ammonium formate; 10percent palladium on carbon In methanol at 20℃; for 16h; Stage #2: With hydrogenchloride In methanol Further stages.; | 100% |
N-(2-chloropropionyl)piperidine
piperidine hydrochloride
Conditions | Yield |
---|---|
With methanol at 50℃; for 0.5h; | 99% |
A
piperidine hydrochloride
B
2-(2'-nitrophenylsulphone)indene
Conditions | Yield |
---|---|
With piperidine In tetrahydrofuran for 0.166667h; Ambient temperature; | A n/a B 99% |
t-butyl piperidinecarboxylate
piperidine hydrochloride
Conditions | Yield |
---|---|
With sulfuric acid; sodium chloride In neat (no solvent) at 20℃; for 1h; Sealed tube; | 99% |
Conditions | Yield |
---|---|
for 6h; | A n/a B 98% |
Conditions | Yield |
---|---|
With 1,1,2-trichloroethane; 10% palladium on activated carbon; hydrogen In methanol under 760.051 Torr; for 1h; chemoselective reaction; | 98% |
With dichloromethane; hydrogen; palladium on activated charcoal In methanol at 20℃; for 24h; atmospheric pressure; | 97% |
With Na2K-SG(I) In tetrahydrofuran at 20℃; Inert atmosphere; | 82% |
With hydrogenchloride; Vinyl chloroformate 1.) CH2Cl2, 0 deg C to room temperature;reflux, 4 h, 3.) MeOH, 50-60 deg C, 4.5 h; Yield given. Multistep reaction; |
1-(cyclohex-1-en-1-yl)piperidine
methyl 3-phenyl-3-chloro-2-ketopropionate
A
2-phenyl-1-(1-piperidinyl)ethanone
C
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 4% B 95% C 1% |
piperidine
dichloromethane
A
di(N-piperidinyl)methane
B
piperidine hydrochloride
Conditions | Yield |
---|---|
for 24h; Darkness; | A 91% B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride at 70℃; for 1h; acid degradation; | 88% |
N-allylpiperidine
piperidine hydrochloride
Conditions | Yield |
---|---|
With Na2K-SG(I) In tetrahydrofuran at 20℃; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
With perhydrodibenzo-18-crown-6 In diethylene glycol dimethyl ether for 3h; Ambient temperature; | 82% |
methyl 3-chloro-3-(4-fluorophenyl)-2-oxopropanoate
4-tert-butyl-1-(1-piperidinyl)cyclohexene
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 82% B 11% |
piperidine
[palladium(II)dichloride(1,10-phenanthroline)]
carbon monoxide
PdCl(CON(CH2)5)(1,10-phenanthroline)
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In acetonitrile to suspn. PdCl2(phen) in CH3CN was added piperidine (1:2), suspn. was allowed to react under stirring with CO (0.1 MPa) at 313 K for 3 h; filtered off, washed with CH3CN/CH3OH (10:1), and dried in vacuo; elem.anal.; | A 80% B n/a |
piperidine
1-(thien-2-yl)-3,4,4-trichloro-3-buten-1-one
A
4,4-dichloro-3-piperidino-1-(thien-2-yl)-2-buten-1-one
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In diethyl ether at 15℃; Reflux; | A 80% B n/a |
Conditions | Yield |
---|---|
Stage #1: Glutaronitrile With C46H178O41Si42; titanium(IV)isopropoxide In toluene at 100℃; for 24h; Inert atmosphere; Stage #2: With hydrogenchloride; water In toluene at 20℃; for 4h; Inert atmosphere; chemoselective reaction; | 80% |
1-(cyclohex-1-en-1-yl)piperidine
methyl 3-(3-nitrophenyl)-3-chloro-2-oxopropionate
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 80% B 15% |
Conditions | Yield |
---|---|
In dichloromethane to soln. of azide was added soln. of BCl3 at -78°C; mixt. was allowed to warm up to room temp. overnight, MeOH added and solvents removed; characterized as benzoyl deriv.; | 79% |
piperidine
1-(4-hydroxyphenyl)-3,4,4-trichloro-3-buten-1-one
A
4,4-dichloro-3-piperidino-1-(4-hydroxyphenyl)-2-buten-1-one
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In diethyl ether at 15℃; Reflux; | A 79% B n/a |
methyl 3-phenyl-3-chloro-2-ketopropionate
4-tert-butyl-1-(1-piperidinyl)cyclohexene
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 79% B 15% |
piperidine
dichloro(2,2'-bipyridine)palladium(II)
carbon monoxide
PdCl(CON(CH2)5)(2,2'-dipyridine)
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In acetonitrile to suspn. PdCl2(dipy) in CH3CN was added piperidine (1:2), suspn. was allowed to react under stirring with CO (0.1 MPa) at room temp. for 3 h; filtered off, washed with CH3CN/CH3OH (10:1), and dried in vacuo; elem.anal.; | A 78% B n/a |
Conditions | Yield |
---|---|
Stage #1: piperidine; furfural In diethyl ether at 20℃; for 1.5h; Stage #2: With acetyl chloride In diethyl ether at 20℃; for 0.333333h; Further stages.; | A 7% B 77% |
Conditions | Yield |
---|---|
With perhydrodibenzo-18-crown-6 In diethylene glycol dimethyl ether for 3h; Ambient temperature; | 76% |
1-(cyclohex-1-en-1-yl)piperidine
3-(3-bromo-phenyl)-3-chloro-2-oxo-propionic acid methyl ester
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 76% B 18% |
1-(cyclohex-1-en-1-yl)piperidine
3-Chloro-3-(4-nitro-phenyl)-2-oxo-propionic acid methyl ester
B
piperidine hydrochloride
C
2-(4-nitrophenyl)-1-(piperidin-1-yl)ethan-1-one
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 76% B 14% C 6% |
1-(cyclohex-1-en-1-yl)piperidine
methyl 3-chloro-3-(4-chlorophenyl)-2-oxopropanoate
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Reflux; | A 75% B 12% |
piperidine
dichloro(2,2'-bipyridine)palladium(II)
carbon monoxide
Pd(CON(CH2)5)2(2,2'-dipyridine)
B
piperidine hydrochloride
Conditions | Yield |
---|---|
In acetonitrile to suspn. PdCl2(dipy) in MeCN was added piperidine (1:10), mixt. was reacted with CO (0.1 MPa) at room temp. for 2 h; mixt. was concd. and filtered; elem. anal.; | A 72% B n/a |
(2,2'-bis(diphenylphosphino)-1,1'-binaphathalene)chloro(p-cymene)ruthenium chloride
piperidine hydrochloride
Conditions | Yield |
---|---|
In tetrahydrofuran (Ar); heating a soln. of ruthenium complex with ammonium salt in THF for 6 h; evapn., washing; | 100% |
piperidine hydrochloride
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; | 99% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In ethanol at 30℃; for 22h; Mannich Aminomethylation; | 98% |
piperidine hydrochloride
sodium N,N-dimethylcarbamoselenothioate
Piperidinium N,N-dimethylthioselenocarbamate
Conditions | Yield |
---|---|
In methanol | 97% |
Conditions | Yield |
---|---|
With hydrogenchloride at 90℃; for 8h; | 96% |
formaldehyd
piperidine hydrochloride
4-Oxo-1-phenyl-4,5,6,7-tetrahydrobenopyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In isopropyl alcohol for 60h; Heating; | 95% |
1,3-DIOXOLANE
1-(4-ethylphenyl)-1-propanone
piperidine hydrochloride
eperisone hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride at 90℃; for 6.5h; | 95% |
1,3-DIOXOLANE
piperidine hydrochloride
1-phenyl-propan-1-one
(+/-)-2-methyl-1-phenyl-3-piperidino-propan-1-one; hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride at 90℃; for 8h; Product distribution; other ketones, var. solvents and acids; | 95% |
With hydrogenchloride at 90℃; for 8h; | 95% |
piperidine
2-methoxy-1-pyrroline
piperidine hydrochloride
1-(3,4-dihydro-2H-pyrrol-5-yl)piperidine
Conditions | Yield |
---|---|
at 70℃; for 24h; | 95% |
piperidine hydrochloride
1,3,5-trimethyl-1H-pyrazole-4-sulfonic acid chloride
Conditions | Yield |
---|---|
Stage #1: piperidine hydrochloride With magnesium sulfate In dichloromethane at 20℃; for 0.25h; Stage #2: 1,3,5-trimethyl-1H-pyrazole-4-sulfonic acid chloride With triethylsilane In dichloromethane at 20℃; | 95% |
piperidine hydrochloride
sodium salt of 3-(1-adamantyl)-1-hydroxy-1-propen-3-one
Conditions | Yield |
---|---|
In ethanol for 12h; Substitution; Heating; | 91% |
In ethanol for 12h; Heating; | 91% |
methanesulfonic acid
4'-methylpropiophenone
piperidine hydrochloride
tolperisone
Conditions | Yield |
---|---|
With 1,3-DIOXOLANE at 80℃; for 24h; Sealed tube; | 91% |
(2R,4S,5R)-2-chloro-3,4-dimethyl-5-phenyl-1,3,2-oxazaphospholidin-2-one
piperidine hydrochloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Substitution; | 90% |
Trimethyl orthoacetate
piperidine hydrochloride
1-piperidin-1-yl-ethanone
Conditions | Yield |
---|---|
In methanol at 135℃; for 0.25h; Microwave irradiation; | 90% |
Conditions | Yield |
---|---|
With sodium carbonate In toluene at 60℃; Autoclave; | 90% |
methyl 3-(methylthio)propionate
piperidine hydrochloride
Conditions | Yield |
---|---|
Stage #1: piperidine hydrochloride With diisobutylaluminium hydride In tetrahydrofuran; toluene Stage #2: methyl 3-(methylthio)propionate In tetrahydrofuran at 45℃; for 2h; | 89% |
piperidine hydrochloride
N-(4-bromophenyl)-2-chloroacetamide
N-(4-bromophenyl)-2-(1-piperidyl)acetamide
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 80℃; for 6h; | 89% |
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