ChemicalBook--->CAS DataBase List--->99780-97-9

99780-97-9

99780-97-9 Structure

99780-97-9 Structure
IdentificationBack Directory
[Name]

3-BOC-AMINO-PYRROLIDIN-2-ONE
[CAS]

99780-97-9
[Synonyms]

3-BOC-AMINO-PYRROLIDIN-2-ONE
tert-Butyl (2-oxopyrrolidin-3-yl)
tert-butyl N-(2-oxopyrrolidin-3-yl)carbamate
Carbamic acid, N-(2-oxo-3-pyrrolidinyl)-, 1,1-dimethylethyl ester
[Molecular Formula]

C9H16N2O3
[MDL Number]

MFCD11007813
[MOL File]

99780-97-9.mol
[Molecular Weight]

200.23
Chemical PropertiesBack Directory
[Boiling point ]

394.0±31.0 °C(Predicted)
[density ]

1.13±0.1 g/cm3(Predicted)
[storage temp. ]

2-8°C
[pka]

11.05±0.20(Predicted)
[Appearance]

White to off-white Solid
Safety DataBack Directory
[Symbol(GHS) ]

GHS hazard pictograms
GHS07
[Signal word ]

Warning
[Hazard statements ]

H335-H315-H319
[Precautionary statements ]

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Spectrum DetailBack Directory
[Spectrum Detail]

3-BOC-AMINO-PYRROLIDIN-2-ONE(99780-97-9)1HNMR
Hazard InformationBack Directory
[Synthesis]

Di-tert-butyl dicarbonate

24424-99-5

3-AMINO-PYRROLIDIN-2-ONE

2483-65-0

3-BOC-AMINO-PYRROLIDIN-2-ONE

99780-97-9

To a mixed methanol and triethylamine solution (9:1, 130 mL, v/v) of 3-aminopyrrolidin-2-one (39) (2.8 g, 28 mmol), di-tert-butyl dicarbonate (6.7 g, 30.8 mmol) was added. The reaction mixture was stirred overnight at room temperature and then heated to reflux for 2 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure and the resulting solid was collected by filtration and washed with ether to afford 3-(Boc-amino)pyrrolidin-2-one in 97% yield.

[References]

[1] Patent: US2005/165065, 2005, A1. Location in patent: Page/Page column 24
[2] Patent: WO2017/75056, 2017, A1. Location in patent: Paragraph 0371
[3] Journal of Medicinal Chemistry, 1986, vol. 29, # 2, p. 251 - 260
[4] Patent: US6441017, 2002, B1
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