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(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine

CAS No.
169749-99-9
Chemical Name:
(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine
Synonyms
(S)-1-BENZYL-3-METHYLAMINOPYRROLIDINE;(S)-N-Benzyl-3-methylaminopyrrolidine;(S)-1-benzyl-N-methylpyrrolidin-3-amine;(3S)-1-Benzyl-N-methyl-3-pyrrolidinamine;(3S)-1-benzyl-N-Methylpyrrolidin-3-aMine;(3S)-N-Methyl-1-(benzyl)-3-pyrrolidinamine;(S)-(1-Benzyl-pyrrolidin-3-yl)-methyl-amine;(3S)-(+)-1-BENZYL-3-(METHYLAMINO)PYRROLIDINE;(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine >(3S)-N-Methyl-1-(phenylmethyl)-3-pyrrolidinamine
CBNumber:
CB3390883
Molecular Formula:
C12H18N2
Molecular Weight:
190.29
MDL Number:
MFCD00191310
MOL File:
169749-99-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 06:22:08

(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Properties

Boiling point 273.1±33.0 °C(Predicted)
Density 0,99 g/cm3
refractive index 3 ° (C=10, EtOH)
storage temp. 2-8°C
form clear liquid
pka 10.16±0.20(Predicted)
color Colorless to Almost colorless
CAS DataBase Reference 169749-99-9(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P405-P501
Hazard Codes  Xn
Risk Statements  22-52
RIDADR  2735
HazardClass  8
PackingGroup  III
HS Code  2933998090
NFPA 704
0
2 0

(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine price More Price(53)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical B1583 (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine >98.0%(GC) 169749-99-9 5g $184 2026-04-30 Buy
TCI Chemical B1583 (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine >98.0%(GC) 169749-99-9 25g $555 2026-04-30 Buy
Usbiological 267040 (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Asreported 169749-99-9 1g $342 2026-06-03 Buy
Usbiological 267040 (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Asreported 169749-99-9 2g $480 2026-06-03 Buy
Usbiological 267040 (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Asreported 169749-99-9 5g $711 2026-06-03 Buy
Product number Packaging Price Buy
B1583 5g $184 Buy
B1583 25g $555 Buy
267040 1g $342 Buy
267040 2g $480 Buy
267040 5g $711 Buy

(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Chemical Properties,Uses,Production

Synthesis

(S)-(-)-1-BENZYL-3-(BOC-AMINO)PYRROLIDINE

131852-53-4

(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine

169749-99-9

1. To a 100 mL round bottom flask was added 720 mg of (S)-1-benzyl-3-(tert-butoxycarbonylamino)pyrrolidine. 11.5 mL of tetrahydrofuran and 623 mg of lithium aluminum hydride (LiAlH4) were added sequentially and the reaction mixture was refluxed for 4 hours and subsequently cooled to 0°C. 1.16 mL of deionized water was slowly added and stirred for 5 minutes followed by 1.16 mL of 15% aqueous sodium hydroxide. Stirring was continued for 5 minutes and the reaction was terminated by adding 3.80 mL of deionized water. The reaction mixture was filtered through Celite 545, the filtrate was concentrated under reduced pressure and the residue was purified by fast column chromatography (MeOH:CH2Cl2:NH4OH = 5:90:5) to give 440 mg (S)-1-benzyl-N-methylpyrrolidin-3-amine in 89.9% yield. 2. 440 mg of (S)-1-benzyl-N-methylpyrrolidin-3-amine and 9.00 mL of deionized water were added to a 25 mL round-bottom flask, followed by 373 mg of 6-chloro-7-deazapurine and 639 mg of potassium carbonate. The reaction mixture was refluxed for 36 hours, cooled to room temperature and extracted three times with 40.0 mL of dichloromethane. The organic phases were combined, concentrated under reduced pressure and the residue was purified by fast column chromatography (MeOH:CH2Cl2 = 2:98) to afford 544 mg (S)-N-(1-benzylpyrrolidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine in 76.6% yield. 3. 534 mg of (S)-N-(1-benzylpyrrolidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine was added to a 25 mL round bottom flask and dissolved in 5.00 mL of methanol. 534 mg 10% w/w palladium/carbon (Pd/C) was added, a hydrogen balloon was mounted and stirred vigorously overnight. The reaction mixture was filtered through Celite 545, the filtrate was concentrated under reduced pressure and the residue was purified by fast column chromatography (MeOH:CH2Cl2 = 2:98) to afford 250 mg (S)-N-methyl-N-(pyrrolidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine in 66.1% yield. 4. 150 mg of (S)-N-methyl-N-(pyrrolidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine was added to a 5 mL round-bottom flask and dissolved in 2.25 mL of n-butanol. 0.0730 mL of ethyl cyanoacetate and 0.0520 mL of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) were added and heated at 80°C for 24 hours. Upon completion of the reaction, the solvent was removed by distillation under reduced pressure and the residue was purified by fast column chromatography (MeOH:CH2Cl2 = 2:98) to afford 140 mg of (S)-3-(3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)pyrrolidin-1-yl)-3-oxopropanenitrile in 71.4% yield. 5. The product was analyzed by 1H NMR. 5. The product was characterized by 1H NMR (400 MHz, CDCl3) and LRMS (ESI). 1H NMR data: δ 10.39 (s, 1H), 8.33 (s, 1H), 7.12 (d, J = 2.6 Hz, 1H), 6.60 (s, 1H), 5.89-5.56 (m, 1H), 3.96-3.72 (m, 2H), 3.69-3.72 (m, 2H), 3.69-3.72 (m, 2H). 2H), 3.69-3.49 (m, 2H), 3.46 (t, J = 5.4 Hz, 2H), 3.35 (d, J = 14.9 Hz, 3H), 2.40-2.13 (m, 2H).LRMS (ESI): Calculated (C14H16N6O + H+) 285.2, measured 285.1.

References

[1] Patent: EP3327021, 2018, A1. Location in patent: Paragraph 0216-0222

(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Preparation Products And Raw materials

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(3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine Spectrum

(3S)-(+)-1-BENZYL-3-(METHYLAMINO)PYRROLIDINE (3S)-1-Benzyl-N-methyl-3-pyrrolidinamine (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine (S)-1-benzyl-N-methylpyrrolidin-3-amine (S)-N-Benzyl-3-methylaminopyrrolidine (S)-1-BENZYL-3-METHYLAMINOPYRROLIDINE (S)-(1-Benzyl-pyrrolidin-3-yl)-methyl-amine (3S)-1-benzyl-N-Methylpyrrolidin-3-aMine (3S)-(+)-1-Benzyl-3-(methylamino)pyrrolidine > 3-Pyrrolidinamine, N-methyl-1-(phenylmethyl)-, (3S)- (3S)-N-Methyl-1-(phenylmethyl)-3-pyrrolidinamine (3S)-1-benzyl-N-methylpyrrolidin-3-amine - [B21743] (3S)-N-Methyl-1-(benzyl)-3-pyrrolidinamine 169749-99-9 Amines (Chiral) 3-Aminopyrrolidines Chiral Building Blocks Chiral 3-Aminopyrrolidines 3-Aminopyrrolidines Amines (Chiral) Chiral 3-Aminopyrrolidines Chiral Building Blocks Synthetic Organic Chemistry