Product Name

  • Name

    1-BOC-3-METHYL-PIPERIDIN-4-ONE

  • EINECS
  • CAS No. 181269-69-2
  • Article Data27
  • CAS DataBase
  • Density 1.06 g/cm3
  • Solubility
  • Melting Point
  • Formula C11H19NO3
  • Boiling Point 298.758 °C at 760 mmHg
  • Molecular Weight 213.277
  • Flash Point 134.485 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 181269-69-2 (1-BOC-3-METHYL-PIPERIDIN-4-ONE)
  • Hazard Symbols
  • Synonyms 1-tert-Butoxycarbonyl-3-methyl-4-piperidone;3-Methyl-4-oxopiperidine-1-carboxylic acid tert-butyl ester;N-tert-Butoxycarbonyl-3-methyl-4-piperidone;tert-Butyl3-methyl-4-oxo-1-piperidinecarboxylate;
  • PSA 46.61000
  • LogP 1.77030

Synthetic route

1-Benzyl-3-methyl-4-piperidon
34737-89-8

1-Benzyl-3-methyl-4-piperidon

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
With hydrogen; palladium dihydroxide In ethyl acetate under 2068.65 Torr; for 24h;100%
With hydrogen; palladium 10% on activated carbon In ethanol at 20℃; under 2585.81 Torr; for 4h;97%
With hydrogen; palladium(II) hydroxide In methanol at 20℃; under 2844.39 Torr;95%
N-tert-butyloxycarbonylpiperidin-4-one
79099-07-3

N-tert-butyloxycarbonylpiperidin-4-one

methyl iodide
74-88-4

methyl iodide

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: N-tert-butyloxycarbonylpiperidin-4-one With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #2: methyl iodide In tetrahydrofuran at -78 - 20℃; for 3h;
45%
Stage #1: N-tert-butyloxycarbonylpiperidin-4-one With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
Stage #2: methyl iodide In tetrahydrofuran at 20℃; for 3h;
28%
Stage #1: N-tert-butyloxycarbonylpiperidin-4-one With potassium hexamethylsilazane In tetrahydrofuran; toluene at 20℃; for 2h;
Stage #2: methyl iodide In tetrahydrofuran; toluene at 20℃;
22.5%
Stage #1: N-tert-butyloxycarbonylpiperidin-4-one With sodium hydride In tetrahydrofuran; mineral oil at 20℃;
Stage #2: methyl iodide In tetrahydrofuran; mineral oil
16%
Stage #1: N-tert-butyloxycarbonylpiperidin-4-one With sodium hydride In tetrahydrofuran at 20℃; for 0.5h;
Stage #2: methyl iodide In tetrahydrofuran at 20℃; for 18h;
10%
3-methyl-4-piperidone
5773-58-0

3-methyl-4-piperidone

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
With N,N-dimethylethylenediamine In dichloromethane at 20℃; for 2.5h;
With dmap; triethylamine In tetrahydrofuran; water at 20℃; for 18h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: 1-Benzyl-3-methyl-4-piperidon With hydrogenchloride; hydrogen; palladium dihydroxide In 1,4-dioxane; methanol under 2585.81 Torr;
Stage #2: di-tert-butyl dicarbonate With triethylamine In tetrahydrofuran for 2h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

C14H23NO5
1159982-52-1

C14H23NO5

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: C14H23NO5 With hydrogenchloride In water for 48h; Reflux;
Stage #2: di-tert-butyl dicarbonate With sodium carbonate In tetrahydrofuran; water
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate
181269-70-5

tert-Butyl 4-hydroxy-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 0 - 20℃; for 3.5h;100%
With methanol; sodium tetrahydroborate at 0 - 25℃; for 3.5h;100%
With sodium tetrahydroborate In ethanol at 0℃; for 0.5h;88%
N,N-phenylbistrifluoromethane-sulfonimide
37595-74-7

N,N-phenylbistrifluoromethane-sulfonimide

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

3-methyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
1240971-20-3

3-methyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1.5h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78 - 25℃; for 2.5h;
97%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With sodium hexamethyldisilazane In tetrahydrofuran at -78℃; for 1.5h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at 20℃; for 16h;
78%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78 - 0℃; for 1h;
61%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.666667h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78 - 25℃; for 3h;
198 mg
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran at -70℃; for 1h; Inert atmosphere;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -70 - 0℃; for 4h;
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

(S)-2-(2-(methylsulfonyl)ethyl)pyrrolidine hydrochloride

(S)-2-(2-(methylsulfonyl)ethyl)pyrrolidine hydrochloride

C13H26N2O2S*ClH

C13H26N2O2S*ClH

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; (S)-2-(2-(methylsulfonyl)ethyl)pyrrolidine hydrochloride With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃; for 6h;
Stage #2: With hydrogenchloride In 1,4-dioxane; dichloromethane at 20℃; for 4h;
96%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

diethyl {3-[(5-chloropyridin-2-yl)oxy]benzyl}phosphonate
1191250-62-0

diethyl {3-[(5-chloropyridin-2-yl)oxy]benzyl}phosphonate

5-chloro-2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}pyridine

5-chloro-2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}pyridine

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 20℃; for 2h;90%
With potassium tert-butylate In tetrahydrofuran at 20℃; for 2h;
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

2-(5-methoxy-2-nitrophenyl)-ethylamine
180149-25-1

2-(5-methoxy-2-nitrophenyl)-ethylamine

tert-butyl 4-[2-(5-methoxy-2-nitro-phenyl)-ethylamino]-3-methyl-piperidine-1-carboxylate
1146733-30-3

tert-butyl 4-[2-(5-methoxy-2-nitro-phenyl)-ethylamino]-3-methyl-piperidine-1-carboxylate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 3h;90%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

trimethylsulfoxonium iodide
1774-47-6

trimethylsulfoxonium iodide

tert-butyl 4-methyl-1-oxa-6-azaspiro[2.5]octane-6-carboxylate

tert-butyl 4-methyl-1-oxa-6-azaspiro[2.5]octane-6-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate In 1,2-dimethoxyethane; dimethyl sulfoxide at 0 - 5℃; for 1h;90%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

phenylmagnesium bromide
100-58-3

phenylmagnesium bromide

tert-butyl 4-hydroxy-3-methyl-4-phenylpiperidine-1-carboxylate

tert-butyl 4-hydroxy-3-methyl-4-phenylpiperidine-1-carboxylate

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 24h;84%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

tert-butyl 3-methyl-4-methylidenepiperidine-1-carboxylate
336182-47-9

tert-butyl 3-methyl-4-methylidenepiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0℃;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In tetrahydrofuran at 20℃; for 1h;
83%
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In tetrahydrofuran at 20℃; for 18h; Inert atmosphere;
60%
With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 16h;
bromochlorobenzene
106-39-8

bromochlorobenzene

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

4-(4-chloro-phenyl)-4-hydroxy-3-methyl-piperidine-1-carboxylic acid tert-butyl ester

4-(4-chloro-phenyl)-4-hydroxy-3-methyl-piperidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: bromochlorobenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In tetrahydrofuran; hexane at -78 - -20℃;
Stage #3: With ammonium chloride In tetrahydrofuran; hexane; water
83%
Stage #1: bromochlorobenzene With n-butyllithium In tetrahydrofuran; hexanes at -78℃; for 0.75h;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In tetrahydrofuran; hexanes at -78℃; for 2h;
79%
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

sodium methylate
124-41-4

sodium methylate

4-methoxycarbonylmethylene-3-methylpiperidine-1-carboxylic acid t-butyl ester
502609-65-6

4-methoxycarbonylmethylene-3-methylpiperidine-1-carboxylic acid t-butyl ester

Conditions
ConditionsYield
In tetrahydrofuran; methanol at 20℃; for 4h;82.5%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

tert-butyl 4-amino-3-methylpiperidine-1-carboxylate
900642-17-3

tert-butyl 4-amino-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
With ammonium formate; sodium cyanoborohydride In methanol at 30℃; for 16h; Temperature; Molecular sieve;80%
With ammonium formate; sodium cyanoborohydride In methanol at 20℃; for 3h; Molecular sieve;60%
With formic acid; ammonium formate; sodium cyanoborohydride In methanol at 20℃; for 2h;
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

2-[3-(diethoxyphosphorylmethyl)phenoxy]-5-(trifluoromethyl)pyridine
1020325-38-5

2-[3-(diethoxyphosphorylmethyl)phenoxy]-5-(trifluoromethyl)pyridine

2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}-5-(trifluoromethyl)pyridine
1191288-06-8

2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}-5-(trifluoromethyl)pyridine

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; 2-[3-(diethoxyphosphorylmethyl)phenoxy]-5-(trifluoromethyl)pyridine With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h;
Stage #2: With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
79%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; 2-[3-(diethoxyphosphorylmethyl)phenoxy]-5-(trifluoromethyl)pyridine With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h;
Stage #2: With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
79%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

3-methyl-4-piperidone
5773-58-0

3-methyl-4-piperidone

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
Stage #2: With water In dichloromethane; water
75%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

trimethylsulfoxonium iodide
1774-47-6

trimethylsulfoxonium iodide

1,1-dimethylethyl 4-methyl-1-oxa-6-azaspiro[2.5]octane-6-carboxylate
862669-17-8

1,1-dimethylethyl 4-methyl-1-oxa-6-azaspiro[2.5]octane-6-carboxylate

Conditions
ConditionsYield
Stage #1: trimethylsulfoxonium iodide With sodium hydride In dimethyl sulfoxide; mineral oil at 0 - 20℃; for 2h;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In dimethyl sulfoxide; mineral oil at 0 - 20℃; for 2h;
75%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

methyl (S)-3-(pyrrolidin-2-yl)propanoate
689303-75-1

methyl (S)-3-(pyrrolidin-2-yl)propanoate

tert-butyl 4-((S)-2-(3-methoxy-3-oxopropyl)pyrrolidin-1-yl)-3-methylpiperidine-1-carboxylate

tert-butyl 4-((S)-2-(3-methoxy-3-oxopropyl)pyrrolidin-1-yl)-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 16h;75%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; methyl (S)-3-(pyrrolidin-2-yl)propanoate In 1,2-dichloro-ethane at 20℃; for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃;
37%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

Diethyl 3-(5-bromopyridin-2-yloxy)benzylphosphonate
1020326-79-7

Diethyl 3-(5-bromopyridin-2-yloxy)benzylphosphonate

5-bromo-2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}pyridine
1191250-55-1

5-bromo-2-{3-[(3-methylpiperidin-4-ylidene)methyl]phenoxy}pyridine

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 20℃; for 2h;72%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; Diethyl 3-(5-bromopyridin-2-yloxy)benzylphosphonate With potassium tert-butylate In tetrahydrofuran at 20℃; for 2h;
Stage #2: With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
72%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

benzyltriphenylphosphonium bromide
1449-46-3

benzyltriphenylphosphonium bromide

tert-butyl 4-benzylidene-3-methylpiperidine-1-carboxylate

tert-butyl 4-benzylidene-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: benzyltriphenylphosphonium bromide With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h;
Stage #2: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate In tetrahydrofuran at 20℃; for 3h;
63%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

2-propynamide
7341-96-0

2-propynamide

tert-butyl 8-methyl-2-oxo-1,2,7,8-tetrahydro-1,6-naphthyridine-6(5H)-carboxylate
1401034-50-1

tert-butyl 8-methyl-2-oxo-1,2,7,8-tetrahydro-1,6-naphthyridine-6(5H)-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With pyrrolidine In toluene for 5h; Reflux;
Stage #2: 2-propynamide In toluene Reflux;
55%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

p-tolylsulfonylmethyl isocyanide
5697-44-9

p-tolylsulfonylmethyl isocyanide

tert-butyl 4-cyano-3-methylpiperidine-1-carboxylate

tert-butyl 4-cyano-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
With potassium tert-butylate In 1,2-dimethoxyethane at 0 - 25℃; for 16h; Inert atmosphere;50.4%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-[(trifluoromethyl)sulphonyl]methanesulphonamide
145100-51-2

N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-[(trifluoromethyl)sulphonyl]methanesulphonamide

3-methyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
1240971-20-3

3-methyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With potassium hexamethylsilazane In tetrahydrofuran at -78 - 20℃; for 3.5h;
Stage #2: N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-[(trifluoromethyl)sulphonyl]methanesulphonamide In tetrahydrofuran at -78 - 20℃;
47%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

tert-butyl 3-(2-ethoxy-2-oxoacetyl)-5-methyl-4-oxopiperidine-1-carboxylate

tert-butyl 3-(2-ethoxy-2-oxoacetyl)-5-methyl-4-oxopiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
Stage #2: oxalic acid diethyl ester In tetrahydrofuran at 20℃; for 2h;
45.6%
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran at -60℃; for 0.5h;
Stage #2: oxalic acid diethyl ester at -60 - 20℃; for 1h;
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

2-iodo-1-(2,2,2-trifluoroethyl)-1H-indol-4-amine

2-iodo-1-(2,2,2-trifluoroethyl)-1H-indol-4-amine

tert-butyl 4-((2-iodo-1-(2,2,2-trifluoroethyl)-1H-indol-4-yl)amino)-3-methylpiperidine-1-carboxylate

tert-butyl 4-((2-iodo-1-(2,2,2-trifluoroethyl)-1H-indol-4-yl)amino)-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; 2-iodo-1-(2,2,2-trifluoroethyl)-1H-indol-4-amine With chloro-trimethyl-silane In N,N-dimethyl-formamide at 0℃; for 2h;
Stage #2: With borane-THF In N,N-dimethyl-formamide at 0 - 25℃; for 1h; Temperature; Reagent/catalyst; Inert atmosphere;
45.28%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

(S)-1-Pyrrolidin-2-yl-methanol
23356-96-9

(S)-1-Pyrrolidin-2-yl-methanol

tert-butyl 4-((S)-2-(hydroxymethyl)pyrrolidin-1-yl)-3-methylpiperidine-1-carboxylate

tert-butyl 4-((S)-2-(hydroxymethyl)pyrrolidin-1-yl)-3-methylpiperidine-1-carboxylate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃; for 16h;40%
2-cyanomethylbenzothiazole
56278-50-3

2-cyanomethylbenzothiazole

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

tert-butyl 2-amino-3-(benzo[d]thiazol-2-yl)-4-methyl-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate

tert-butyl 2-amino-3-(benzo[d]thiazol-2-yl)-4-methyl-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate

Conditions
ConditionsYield
With morpholine; sulfur at 85℃; for 12h;39%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

2-methyl-2-thiopseudouronium sulfate

2-methyl-2-thiopseudouronium sulfate

tert-butyl 8-methyl-2-(methylthio)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
1567965-66-5

tert-butyl 8-methyl-2-(methylthio)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; N,N-dimethyl-formamide dimethyl acetal at 80℃; for 12h;
Stage #2: 2-methyl-2-thiopseudouronium sulfate With sodium ethanolate In ethanol at 80℃; for 12.5h;
36%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

CYANAMID
420-04-2

CYANAMID

C12H19N3O2S
1253415-55-2

C12H19N3O2S

Conditions
ConditionsYield
With pyridine; sulfur at 100℃; for 3h;31.3%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

(S)-2-(pyrrolidin-2-yl)ethane-1-sulfonamide

(S)-2-(pyrrolidin-2-yl)ethane-1-sulfonamide

2-((S)-1-((3R,4S)-3-methylpiperidin-4-yl)pyrrolidin-2-yl)ethane-1-sulfonamide

2-((S)-1-((3R,4S)-3-methylpiperidin-4-yl)pyrrolidin-2-yl)ethane-1-sulfonamide

Conditions
ConditionsYield
Stage #1: tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate; (S)-2-(pyrrolidin-2-yl)ethane-1-sulfonamide With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 20℃; for 16h;
Stage #2: With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
22%
tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate
181269-69-2

tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate

(S)-1-phenyl-ethylamine
2627-86-3

(S)-1-phenyl-ethylamine

(3R,4R)-3-methyl-4-(1-(S)-phenyl-ethylamino)-piperidine-1-carboxylic acid tert-butyl ester
723308-56-3

(3R,4R)-3-methyl-4-(1-(S)-phenyl-ethylamino)-piperidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium triacetoxyborohydride In dichloromethane at 20℃;10%
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;10%

tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate Specification

The CAS register number of 1-Piperidinecarboxylicacid, 3-methyl-4-oxo-, 1,1-dimethylethyl ester is 179898-50-1. It also can be called as 1-tert-Butoxycarbonyl-3-methyl-4-piperidone and the systematic name about this chemical is tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate. The molecular formula about this chemical is C11H19NO3 and the molecular weight is 213.27346. It belongs to the following product categorie which include pharmacetical.

Physical properties about 1-Piperidinecarboxylicacid, 3-methyl-4-oxo-, 1,1-dimethylethyl ester are: (1)ACD/LogP: 1.18; (2)ACD/LogD (pH 5.5): 1; (3)ACD/LogD (pH 7.4): 1; (4)ACD/BCF (pH 5.5): 3; (5)ACD/BCF (pH 7.4): 3; (6)ACD/KOC (pH 5.5): 71; (7)ACD/KOC (pH 7.4): 71; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 46.61 Å2; (11)Index of Refraction: 1.471; (12)Molar Refractivity: 56.278 cm3; (13)Molar Volume: 201.187 cm3; (14)Polarizability: 22.311x10-24cm3; (15)Surface Tension: 35.848 dyne/cm; (16)Density: 1.06 g/cm3; (17)Flash Point: 134.485 °C; (18)Enthalpy of Vaporization: 53.87 kJ/mol; (19)Boiling Point: 298.758 °C at 760 mmHg; (20)Vapour Pressure: 0.001 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: CC(C)(C)OC(=O)N1CCC(=O)C(C)C1
(2)InChI: InChI=1/C11H19NO3/c1-8-7-12(6-5-9(8)13)10(14)15-11(2,3)4/h8H,5-7H2,1-4H3
(3)InChIKey: VWSBNWIPICCWAM-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C11H19NO3/c1-8-7-12(6-5-9(8)13)10(14)15-11(2,3)4/h8H,5-7H2,1-4H3
(5)Std. InChIKey: VWSBNWIPICCWAM-UHFFFAOYSA-N

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