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ChemicalBook--->CAS DataBase List--->1027-35-6

1027-35-6

1027-35-6 Structure

1027-35-6 Structure
IdentificationBack Directory
[Name]

ethyl 1-benzyl-4-oxo-pyrrolidine-3-carboxylate
[CAS]

1027-35-6
[Synonyms]

Ethyl 1-benzyl-4-pyrrolidone-3-carboxylate
ethyl-benzyl-4-oxopyrrolidine-3-carboxylate
Ethyl 1-benzyl-4-oxo-3-pyrrolidinecarboxylate
ethyl 1-benzyl-4-oxo-pyrrolidine-3-carboxylate
ethyl 4-oxo-1-(phenylmethyl)pyrrolidine-3-carboxylate
1-Benzyl-4-oxo-pyrrolidine-3-carboxylic acid ethyl ester
1-(benzyl)-4-keto-pyrrolidine-3-carboxylic acid ethyl ester
4-oxo-1-(phenylmethyl)-3-Pyrrolidinecarboxylic acid ethyl ester
3-Pyrrolidinecarboxylicacid, 4-oxo-1-(phenylMethyl)-, ethyl ester
[Molecular Formula]

C14H17NO3
[MDL Number]

MFCD09998956
[MOL File]

1027-35-6.mol
[Molecular Weight]

247.29
Chemical PropertiesBack Directory
[Boiling point ]

358.1±42.0 °C(Predicted)
[density ]

1.184
[storage temp. ]

Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
[form ]

liquid
[pka]

10.88±0.20(Predicted)
[color ]

Light yellow
[InChI]

InChI=1S/C14H17NO3/c1-2-18-14(17)12-9-15(10-13(12)16)8-11-6-4-3-5-7-11/h3-7,12H,2,8-10H2,1H3
[InChIKey]

XLKXIFXOWMGWNT-UHFFFAOYSA-N
[SMILES]

N1(CC2=CC=CC=C2)CC(=O)C(C(OCC)=O)C1
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H319-H335-H302+H312+H332-H315
[Precautionary statements ]

P280-P301+P312-P304+P340
[HazardClass ]

IRRITANT
[HS Code ]

2921309990
Spectrum DetailBack Directory
[Spectrum Detail]

ethyl 1-benzyl-4-oxo-pyrrolidine-3-carboxylate(1027-35-6)1HNMR
Hazard InformationBack Directory
[Synthesis]

ethyl N-(2-ethoxy-2-oxoethyl)-N-(phenylmethyl)-beta-alaninate

795-18-6

ethyl 1-benzyl-4-oxo-pyrrolidine-3-carboxylate

1027-35-6

General procedure for the synthesis of ethyl 1-benzyl-4-keto-3-pyrrolidinecarboxylate from ethyl 3-(benzyl(2-ethoxy-2-oxoethyl)amino)propanoate: 1127.324 g of the crude product, compound (c), was dissolved in anhydrous 2.5 L of toluene, and 243.028 g of potassium tert-butanolate was slowly added under ice bath conditions with continuous stirring for 2 hours. The reaction process was monitored by thin layer chromatography (TLC). Upon completion of the reaction, the reaction solution was adjusted to acidic by adding 4 M hydrochloric acid in an ice bath, followed by adjusting the pH to 8 with saturated sodium bicarbonate solution.The reaction mixture was extracted with ethyl acetate, and the organic phase was dried with anhydrous sodium sulfate, filtered, and then concentrated by rotary evaporator to give 376.7 g of the pink solid compound (d) in 98% yield.

[References]

[1] Patent: CN102584828, 2016, B. Location in patent: Paragraph 0102-0104
[2] Patent: EP1552842, 2005, A1. Location in patent: Page/Page column 302
[3] Synthetic Communications, 1996, vol. 26, # 9, p. 1657 - 1661
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