ChemicalBook--->CAS DataBase List--->21395-93-7

21395-93-7

21395-93-7 Structure

21395-93-7 Structure
IdentificationBack Directory
[Name]

(5R)- 5-Methyl-2-Pyrrolidinone
[CAS]

21395-93-7
[Synonyms]

(R)-5-Methylpyrrolidin-2-one
(5R)-5-methylpyrrolidin-2-one
(5R)- 5-Methyl-2-Pyrrolidinone
2-Pyrrolidinone, 5-methyl-, (R)-
2-Pyrrolidinone, 5-methyl-, (5R)-
[Molecular Formula]

C5H9NO
[MOL File]

21395-93-7.mol
[Molecular Weight]

99.13
Chemical PropertiesBack Directory
[Boiling point ]

90 °C(Press: 1.8 Torr)
[density ]

0.979±0.06 g/cm3(Predicted)
[pka]

16.68±0.40(Predicted)
[InChI]

InChI=1S/C5H9NO/c1-4-2-3-5(7)6-4/h4H,2-3H2,1H3,(H,6,7)/t4-/m1/s1
[InChIKey]

YVIVRJLWYJGJTJ-SCSAIBSYSA-N
[SMILES]

N1[C@H](C)CCC1=O
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H319-H302-H315-H335
[Precautionary statements ]

P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501
Hazard InformationBack Directory
[Uses]

Used as Pharmaceutical Intermediates.
[Synthesis]

(5R)-5-methylpyrrolidmn-2-one is prepared by reacting (5S)-5-(bromomethyl)pyrrolidin-2-one in triethylamine and ethanol hydrogenated over 10% Pd/C catalyst at 50 barpressure.
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