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7531-52-4

Basic Information
CAS No.: 7531-52-4
Name: L-Prolinamide
Molecular Structure:
Molecular Structure of 7531-52-4 (L-Prolinamide)
Formula: C5H10N2O
Molecular Weight: 114.15
Synonyms: Prolinamide;(2S)-pyrrolidine-2-carboxamide;H-Pro-NH2;(2S)-2,3,4,5-tetrahydropyrrole-2-carboxamide;(S)-Prolinamide;Pro-NH2;Pro- NH2;L-Prolinmide;
EINECS: 231-397-0
Density: 1.106 g/cm3
Melting Point: 97-102 °C
Boiling Point: 303.6 °C at 760 mmHg
Flash Point: 137.4 °C
Solubility: Soluble in water and ethanol (50 mg/ml).
Appearance: white crystalline powder
Hazard Symbols: HarmfulXn
Risk Codes: 22-36/37/38
Safety: 22-24/25-36/37/39-26
Transport Information:
PSA: 55.12000
LogP: 0.25280
Synthetic route
34079-31-7

Z-Pro-NH2

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With 10% palladium on carbon; hydrogen In methanol for 7h;100%
With hydrogen; palladium on activated charcoal In methanol for 9h; Ambient temperature;88.4%
With hydrogen; palladium on activated charcoal In methanol under 2068.6 Torr; for 5h;87%
With hydrogen; palladium In methanol for 3h;
16395-58-7

N-acetyl-L-prolinamide

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With hydrogenchloride In water at 103℃; for 2h; Temperature;95.3%
2133-40-6

L-proline methyl ester monohydrochloride

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With ammonia In methanol91%
With ammonia In methanol at 0 - 20℃; for 15h; Reagent/catalyst; Large scale;85%
With ammonia In methanol at -25℃; for 96h; Sealed tube;55%
2577-48-2

methyl (2S)-pyrrolidine carboxylate

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With ammonia In methanol at 65℃; for 15h;90%
With methanol; ammonia
With ammonium hydroxide
With ammonium hydroxide In butan-1-ol at 5 - 30℃;
929897-95-0

(2S,1'S)-1-(1'-phenylethyl)pyrrolidine-2-carboxamide

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With hydrogen; palladium dihydroxide In ethanol; ethyl acetate at 20℃; under 760 Torr; for 14h;77%
115134-39-9

(S)-(9H-fluoren-9-yl)methyl 2-carbamoylpyrrolidine-1-carboxylate

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With morpholine In N,N-dimethyl-formamide for 1h;73%
With alkylamine In N,N-dimethyl-formamide at 20℃; for 1h;
147-85-3

L-proline

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Stage #1: L-proline With thionyl chloride In methanol for 2h; Heating;
Stage #2: With ammonia In methanol at 20℃; for 96h; Further stages.;
72%
Multi-step reaction with 3 steps
1: sodium hydroxide / H2O / Ambient temperature
2: 1.) triethylamine, isobutyl chloroformate, 2.) ammonia / 1.) chloroform, 0 deg C, 2 h, 2.) chloroform, RT, overnight
3: 88.4 percent / hydrogen / 10percent palladium on carbon / methanol / 9 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride / -5 - 70 °C
2: ammonium hydroxide / butan-1-ol / 5 - 30 °C
View Scheme
6422-36-2

L-prolyl-L-alanine

A

(2R,5S)-2-Methyl-1,3-diazabicyclo<3.3.0>octan-4-on

B

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With ammonium acetate anodic oxidation; Pt electrodes, i = 370 mA*cm-2, current equiv.: 6.2 F/mol;A 49%
B 41%
5817-26-5

ethyl (2S)-pyrrolidine-2-carboxylate

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With methanol; ammonia
125219-05-8

(S)-2-Carbamoyl-pyrrolidine-1-carboxylic acid 2-(4-methoxy-phenyl)-2-oxo-ethyl ester

A

100-06-1

1-(4-methoxyphenyl)ethanone

B

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Irradiation; mild conditions;
35150-07-3

(S)-tert-butyl 2-carbamoylpyrrolidine-1-carboxylate

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With trifluoroacetic acid at 0℃; for 1h;
With trifluoroacetic acid acidolysis;
With trifluoroacetic acid In dichloromethane at 20℃; for 1h;
With trifluoroacetic acid In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere;
With trifluoroacetic acid In dichloromethane at 20℃; for 2h;
L-proline benzyl ester

L-proline benzyl ester

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With methanol; ammonia
71989-31-6

Fmoc-Pro-OH

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Stage #1: Fmoc-Pro-OH With Rink amide resin; benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; for 3.5h;
Stage #2: With piperidine In N,N-dimethyl-formamide at 20℃; for 0.416667h;
Stage #3: With trifluoroacetic acid
Multi-step reaction with 2 steps
1: pyridine; di-tert-butyl dicarbonate; ammonium bicarbonate / 20 °C
2: alkylamine / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
929897-92-7

(2S,1'S)-5-hydroxy-2-(1'-phenylethylamino)pentanenitrile

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: NEt3; MsCl; DMAP / CH2Cl2 / 36 h / 0 - 20 °C
1.2: 3380 mg / aq. H2SO4 / CH2Cl2 / 48 h / 20 °C
2.1: 77 percent / H2 / Pd(OH)2/C / ethanol; ethyl acetate / 14 h / 20 °C / 760 Torr
View Scheme
Multi-step reaction with 2 steps
1: 78 percent / aq. H2SO4 / CH2Cl2 / 48 h / 20 °C
2: 77 percent / H2 / Pd(OH)2/C / ethanol; ethyl acetate / 14 h / 20 °C / 760 Torr
View Scheme
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

Boc-Thr(OBzl)-resin

Boc-Thr(OBzl)-resin

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 99 percent / Boc2O; pyridine; (NH4)2CO3 / dioxane / 18 h / 20 °C
2: TFA / CH2Cl2 / 1 h / 20 °C
View Scheme
71989-31-6

Fmoc-Pro-OH

Fmoc-Arg(Pbf)-OH

Fmoc-Arg(Pbf)-OH

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 88 percent / NH4HCO3; EEDQ / acetonitrile / 15 h / 20 °C
2: 73 percent / morpholine / dimethylformamide / 1 h
View Scheme

(S)-2-Ethoxycarbonyloxycarbonyl-pyrrolidine-1-carboxylic acid benzyl ester

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NH3(gas) / CH2Cl2 / 1 h / -20 °C
2: 87 percent / H2 / 5percent Pd/C / methanol / 5 h / 2068.6 Torr
View Scheme
1148-11-4

N-Benzyloxycarbonyl-L-proline

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: N-methylmorpholine / CH2Cl2 / 2 h / -20 - -15 °C
2: NH3(gas) / CH2Cl2 / 1 h / -20 °C
3: 87 percent / H2 / 5percent Pd/C / methanol / 5 h / 2068.6 Torr
View Scheme
Multi-step reaction with 2 steps
1: 1.) triethylamine, isobutyl chloroformate, 2.) ammonia / 1.) chloroform, 0 deg C, 2 h, 2.) chloroform, RT, overnight
2: 88.4 percent / hydrogen / 10percent palladium on carbon / methanol / 9 h / Ambient temperature
View Scheme
17460-56-9

N-[[(Phenylmethoxy)-carbonyl]-D-phenylalanyl]-L-proline

543-27-1

isobutyl chloroformate

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With 4-methyl-morpholine In tetrahydrofuran; ethyl acetate1.5 g (72%)
175446-63-6

proline acid chloride

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With ammonia In methanol at 20℃; for 72h;
97482-27-4

(5S)-2,2-dimethyl-1,3-diazabicyclo<3.3.0>octan-4-one

A

174089-62-4

(2S)-N-propan-2-ylpyrrolidine-2-carboxamide

B

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol

(S)-Nα-(benzyloxycarbonyl)proline hydroxamic acid

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen In methanol

C6H11N2OPol

7531-52-4

L-prolinamide

Conditions
ConditionsYield
With trifluoroacetic acid In chloroform-d1 Inert atmosphere; solid phase reaction;
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 4-methyl-morpholine; isobutyl chloroformate / tetrahydrofuran / 0.58 h / 0 °C
1.2: 4 h / 0 - 20 °C
2.1: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
View Scheme
68-95-1

(S)-acetylproline

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: thionyl chloride / dichloromethane / 6 h / 3 - 30 °C
2: ammonium hydroxide / dichloromethane / 3 h / 30 °C
3: hydrogenchloride / water / 2 h / 103 °C
View Scheme
56-86-0

L-glutamic acid

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sulfuric acid / 2 h / 1 - 25 °C
2.1: potassium borohydride / water / 4 h / 3 - 45 °C
3.1: chloroformic acid ethyl ester; triethylamine / dichloromethane / 1.5 h / -10 °C
3.2: 0.5 h / 25 °C
View Scheme
1119-33-1

(S)-2-Amino-pentanedioic acid 5-ethyl ester

7531-52-4

L-prolinamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: potassium borohydride / water / 4 h / 3 - 45 °C
2.1: chloroformic acid ethyl ester; triethylamine / dichloromethane / 1.5 h / -10 °C
2.2: 0.5 h / 25 °C
View Scheme
76-05-1

trifluoroacetic acid

7531-52-4

L-prolinamide

Wang resin-linked N1-tert-butyloxycarbonyl-N2-triflylguanidine

Wang resin-linked N1-tert-butyloxycarbonyl-N2-triflylguanidine

(S)-1-Carbamimidoyl-pyrrolidine-2-carboxylic acid amide; compound with trifluoro-acetic acid

Conditions
ConditionsYield
Stage #1: L-prolinamide; Wang resin-linked N1-tert-butyloxycarbonyl-N2-triflylguanidine In dichloromethane at 20℃;
Stage #2: trifluoroacetic acid In dichloromethane Further stages.;
100%
598-21-0

2-Bromoacetyl bromide

7531-52-4

L-prolinamide

253309-37-4

(S)-1-(2-bromoacetyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane for 2h; cooling;100%
Stage #1: 2-Bromoacetyl bromide; L-prolinamide In tetrahydrofuran at 0℃; for 0.5h;
Stage #2: With potassium carbonate In tetrahydrofuran at 0 - 20℃; for 4h;
85.8%
24424-99-5

di-tert-butyl dicarbonate

7531-52-4

L-prolinamide

35150-07-3

(S)-tert-butyl 2-carbamoylpyrrolidine-1-carboxylate

Conditions
ConditionsYield
In 1,4-dioxane; water at 20℃;100%
With triethylamine In dichloromethane at 0 - 20℃; for 6h;
With potassium carbonate In dichloromethane at 10 - 15℃; Inert atmosphere;
With triethylamine In dichloromethane at -15℃; for 12h; Concentration;
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In dichloromethane at 10 - 15℃; for 2h;
10193-84-7

2,4-di-tertbutyl-6-chloromethylphenol

7531-52-4

L-prolinamide

(2S)-1-(3,5-di-tert-butyl-2-hydroxybenzyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetonitrile for 24h; Inert atmosphere; Schlenk technique; Reflux;100%
4313-73-9

N-[N-[(phenylmethoxy)carbonyl]-L-phenylalanyl]-L-leucine

7531-52-4

L-prolinamide

Z-Phe-Leu-Pro-NH2

Conditions
ConditionsYield
With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h;100%

2-((4-(4,6-bismorpholine-1,3,5-triazin-2-yl)phenyl)amino)-1H-benzo[d]imidazole-6-carboxylic acid

7531-52-4

L-prolinamide

(S)-1-(2-((4-(4,6-bismorpholine-1,3,5-triazin-2-yl)phenyl)amino)-1H-benzo[d]imidazole-6-carbonyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
Stage #1: 2-((4-(4,6-bismorpholine-1,3,5-triazin-2-yl)phenyl)amino)-1H-benzo[d]imidazole-6-carboxylic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.666667h; Inert atmosphere;
Stage #2: L-prolinamide In N,N-dimethyl-formamide at 80℃; for 8h; Inert atmosphere;
99.7%
Stage #1: 2-((4-(4,6-bismorpholine-1,3,5-triazin-2-yl)phenyl)amino)-1H-benzo[d]imidazole-6-carboxylic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.666667h; Inert atmosphere;
Stage #2: L-prolinamide In N,N-dimethyl-formamide at 80℃; for 8h; Inert atmosphere;
79%
627-63-4

fumaryl dichloride

7531-52-4

L-prolinamide

913978-88-8

C14H16N4O2

Conditions
ConditionsYield
Stage #1: fumaryl dichloride; L-prolinamide With dmap; triethylamine In dichloromethane at 0 - 20℃; for 16h;
Stage #2: With trifluoroacetic anhydride In dichloromethane at 0 - 20℃; for 24 - 48h;
98%
5435-64-3

3,5,5-trimethyl hexanal

7531-52-4

L-prolinamide

1378479-21-0

(7aS)-3-(2,4,4-trimethylpentyl)hexahydro-1H-pyrrolo[1,2-c]imidazol-1-one

Conditions
ConditionsYield
With triethylamine In methanol for 18h; Inert atmosphere; Reflux;98%
16251-77-7

3-Phenylbutyraldehyde

7531-52-4

L-prolinamide

1084907-50-5

(7aS)-3-(2-phenylpropyl)hexahydro-1H-pyrrolo[1,2-c]imidazol-1-one

Conditions
ConditionsYield
With potassium carbonate In ethanol at 60℃; for 24h;97%
With potassium carbonate In ethanol at 60℃; for 24h; Inert atmosphere;97%
1170-76-9

Z-Gly-(L)-Phe

7531-52-4

L-prolinamide

Z-Gly-L-Phe-L-Pro-NH2

Conditions
ConditionsYield
With O-(3,4-dihydro-4-oxo-azabenzo-1,2,3-triazinyl)C(NMe2)2*PF6; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;96.5%
With 2,4,6-trimethyl-pyridine; [(Me2N)(1H-1,2,3-triazolo[4,5-b]pyridinyl-1)CH=]Me2N*PF6 3-O In N,N-dimethyl-formamide96.5%
With 2,4,6-trimethyl-pyridine; 1-hydroxy-7-aza-benzotriazole; diisopropyl-carbodiimide In dichloromethane Condensation;94.8%
79-04-9

chloroacetyl chloride

7531-52-4

L-prolinamide

214398-99-9

(S)-1-(2-chloroacetyl) pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 5℃; for 2h; Reagent/catalyst; Inert atmosphere;96%
With triethylamine In dichloromethane at -5 - 0℃; for 0.5h; Inert atmosphere;96.3%
In tetrahydrofuran at 0℃; Reflux; Large scale;92%
7051-34-5

cyclopropylcarbinyl bromide

7531-52-4

L-prolinamide

114812-44-1

(-)-(S)-1-cyclopropylmethyl-2-pyrrolidinecarboxamide

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran for 24h;96%
4530-20-5

BOC-glycine

7531-52-4

L-prolinamide

52293-28-4

(S)-tert-butyl 2-(2-carbamoylpyrrolidine-1-yl)-2-oxoethylcarbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In N,N-dimethyl-formamide at 0 - 20℃;95.8%
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In N,N-dimethyl-formamide at 0 - 20℃;95.8%
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In N,N-dimethyl-formamide at 0 - 20℃;95.8%
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In N,N-dimethyl-formamide at 0 - 20℃;95.8%
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane; N,N-dimethyl-formamide at 20℃; for 3h;71%
5491-18-9, 17609-52-8, 53990-33-3, 60584-76-1

(S)-N-(benzyloxycarbonyl)phenylglycine

7531-52-4

L-prolinamide

Cbz-Phg-Pro-NH2

Conditions
ConditionsYield
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; 3-hydroxy-4-oxo-3,4-dihydro-5-azabenzo-1,2,3-triazine In chloroform; 2,2,2-trifluoroethanol at 20℃;95.4%
Stage #1: (S)-N-(benzyloxycarbonyl)phenylglycine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.166667h;
Stage #2: L-prolinamide In N,N-dimethyl-formamide at 20℃; Further stages.;
93%
With 1-hydroxy-7-aza-benzotriazole; N-ethyl-N,N-diisopropylamine; 1-diethoxyphosphinyloxy-7-azabenzotriazole92.8%

Z-Hle-OPfp

7531-52-4

L-prolinamide

Z-Hle-Pro-NH2

Conditions
ConditionsYield
In N,N-dimethyl-formamide Ambient temperature;95%

(Sa)-3,3'-diformyl-2,2'-dihydroxy-1,1'-binaphthalene

7531-52-4

L-prolinamide

C32H30N4O4

Conditions
ConditionsYield
In ethanol for 3h; Reflux;95%

2-chloro-6-(piperidin-1-ylmethyl)-N-(1-(3,4,5-trimethoxyphenyl)-1H-imidazol-4-yl)thieno[2,3-d]pyrimidin-4-amine

7531-52-4

L-prolinamide

(S)-1-(6-(piperidin-1-ylmethyl)-4-((1-(3,4,5-trimethoxyphenyl)-1H-imidazol-4-yl)amino)thieno[2,3-d]pyrimidin-2-yl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 150℃; for 5h; Microwave irradiation;95%
88-16-4

1-chloro-2-(trifluoromethyl)benzene

7531-52-4

L-prolinamide

403478-68-2

(S)-N'-((2-trifluoromethyl)phenyl)prolinylamide

Conditions
ConditionsYield
With 4-diphenylphosphino-13-dicyclohexylphosphino-[2.2]paracyclophane; water; palladium diacetate; caesium carbonate In 1,4-dioxane at 125℃; for 24h; Buchwald-Hartwig coupling;94%
13123-00-7

(2S)-2-[((2S)-2-{[(benzyloxy)carbonyl]amino}-3-phenylpropanoyl)amino]-3-methylbutanoic acid

7531-52-4

L-prolinamide

164861-48-7

Z-L-Phe-L-Val-L-Pro-NH2

Conditions
ConditionsYield
With 1-hydroxy-7-aza-benzotriazole; [Me2N(1H-1,2,3-triazolo[4,5-b]pyridinyl)CH=]Me2N 3-oxide*PF6; 4-(N,N-dimethylamino)-2,6-di-tert-butylpyridine In N,N-dimethyl-formamide at 20℃;93.5%
With 2,4,6-trimethyl-pyridine; 1-hydroxy-7-aza-benzotriazole; 1-diethoxyphosphinyloxy-7-azabenzotriazole In N,N-dimethyl-formamide93.4%
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide Product distribution; Further Variations:; Reagents;87.4%
1416564-42-5

4-oxo-1-pentyl-7-(phenylthio)-1,4-dihydroquinoline-3-carboxylic acid

7531-52-4

L-prolinamide

1416564-35-6

C26H29N3O3S

Conditions
ConditionsYield
With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 18.5h; Inert atmosphere;93%

4-(5-((1-(2-ethyl-2-fluorobutyl)piperidin-4-yl)methyloxy)pyrimidin-2-yl)benzoic acid

7531-52-4

L-prolinamide

(S)-1-(4-(5-((1-(2-ethyl-2-fluorobutyl)piperidin-4-yl)methoxy)pyrimidin-2-yl)benzoyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h;93%

N-(4-(5-(difluoromethyl)-1,3,4-oxadiazol-2-yl)benzyl)-N-phenylethenesulfonamide

7531-52-4

L-prolinamide

(S)-1-(2-(N-(4-(5-(difluoromethyl)-1,3,4-oxadiazol-2-yl)benzyl)-N-phenylsulfamoyl)ethyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h;92.9%
7531-52-4

L-prolinamide

147-85-3

L-proline

Conditions
ConditionsYield
Stage #1: L-prolinamide With hydrogenchloride for 10h; Heating;
Stage #2: With methyloxirane In ethanol at 20℃; for 5h;
92%
79-04-9

chloroacetyl chloride

7531-52-4

L-prolinamide

207557-35-5

(S)-1-(2-chloroacetyl)pyrrolidine-2-carbonitrile

Conditions
ConditionsYield
Stage #1: chloroacetyl chloride; L-prolinamide With potassium carbonate In acetonitrile at 0 - 15℃;
Stage #2: With trifluoroacetic anhydride at 0 - 15℃;
92%
Stage #1: chloroacetyl chloride; L-prolinamide With potassium carbonate In acetonitrile at 0 - 20℃;
Stage #2: With trifluoroacetic anhydride at 0 - 25℃;
92%
Stage #1: chloroacetyl chloride; L-prolinamide With trifluoroacetyl chloride In N,N-dimethyl-formamide at 50℃; for 1.5h;
Stage #2: With trifluoroacetyl chloride In N,N-dimethyl-formamide at 60℃; for 1.5h; Reagent/catalyst; Temperature;
83.4%
1011521-39-3

(2S)-2-[(t-butoxycarbonyl)amino]-3-{4-[(5-nitropyridin-2-yl)oxy]phenyl}propanoic acid

7531-52-4

L-prolinamide

(2S)-1-{(2S)-2-[(t-butoxycarbonyl)amino]-3-[4-(5-nitro pyridin-2-yloxy)phenyl]propanoyl}pyrrolidine-2-carboxamide

Conditions
ConditionsYield
Stage #1: (2S)-2-[(t-butoxycarbonyl)amino]-3-{4-[(5-nitropyridin-2-yl)oxy]phenyl}propanoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: L-prolinamide In N,N-dimethyl-formamide at 20℃; for 15h;
92%
1215841-60-3

9-bromo-10-(bromomethyl)-2,3,6-trimethoxyphenanthrene

7531-52-4

L-prolinamide

1309782-29-3

(2S)-1-[(10-bromo-3,6,7-trimethoxy-9-phenanthryl)methyl]pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 8h; Reflux;92%
1215841-59-0

9-bromo-10-(bromomethyl)-2,3,6,7-tetramethoxyphenanthrene

7531-52-4

L-prolinamide

1309782-28-2

(S)-1-[(9-bromo-2,3,6,7-tetramethoxyphenanthren-10-yl)methyl]pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 8h; Reflux;92%
With potassium carbonate In N,N-dimethyl-formamide for 8h; Reflux;92%

2’-cyano-3-fluoro-4’-((1-(2-fluoro-2-methylpropyl)piperidin-4-yl)methoxy)biphenyl-4-carboxylic acid

7531-52-4

L-prolinamide

(S)-1-(2'-cyano-3-fluoro-4’-((1-(2-fluoro-2-methylpropyl)piperidin-4-yl)methoxy)biphenylcarbonyl)pyrrolidine-2-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h;92%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h;92%
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Chemistry

IUPAC Name of L-Prolinamide (CAS NO.7531-52-4): pyrrolidine-2-carboxamide
Molecular Formula: C5H10N2O
Molecular Weight: 114.15 g/mol
Following is the molecular structure of L-Prolinamide (CAS NO.7531-52-4):
     
BRN: 80807
EINECS: 231-397-0
Density: 1.106 g/cm3
Flash Point: 137.4 °C
Index of Refraction: 1.491
Melting Point: 95-97 °C(lit.)
Surface Tension: 41.4 dyne/cm 
Solubility in water: Very soluble
Enthalpy of Vaporization: 54.39 kJ/mol
Boiling Point: 303.6 °C at 760 mmHg
Vapour Pressure: 0.000923 mmHg at 25 °C
Appearance: white to off-white microcrystalline powder
Product Categories: Aminoacids Derivatives;APIs;Amino Acids;Proline [Pro, P];Amino Acids and Derivatives;Amides (Chiral);Chiral Building Blocks;Synthetic Organic Chemistry;Amino Acid Derivatives;Peptide Synthesis;Proline

Toxicity Data With Reference

 L-Prolinamide (CAS NO.7531-52-4) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.

Safety Profile

Safty informations about L-Prolinamide (7531-52-4):
Hazard Codes: HarmfulXn ( Harmful)
Risk Statements: 22-36/37/38
 R22:Harmful if swallowed
 R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 22-24/25 
 S22:Do not breathe dust
 S24/25:Avoid contact with skin and eyes 
WGK Germany: 3

Specification

 L-Prolinamide , its cas register number is 7531-52-4. It also can be called Proline-nh2 ; Prolinamide ; (s)-Pyrrolidine-2-carboxylic acid amide ; (s)-Prolinamide ; H-Pro-nh2 ; L-Proline amide ; L-(-)-Prolinamide;l-prolinamide . 
 L-Prolinamide (CAS NO.7531-52-4) is stable under normal temperatures and pressures. L-Prolinamide (CAS NO.7531-52-4) should avoid the condition like incompatible materials. It is incompatible with other materials strong oxidizing agents. Its hazardous decomposition products are nitrogen oxides, carbon monoxide, carbon dioxide. Its hazardous polymerization has not been reported.