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1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI)

1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) Structure
CAS No.
358629-39-7
Chemical Name:
1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI)
Synonyms
Levetiracetam Impurity 32;(Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enoic Acid;(αZ)-α-Ethylidene-2-oxo-1-pyrrolidineacetic Acid;1-Pyrrolidineacetic acid, α-ethylidene-2-oxo-, (αZ)-;1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI)
CBNumber:
CB31286651
Molecular Formula:
C8H11NO3
Molecular Weight:
169.18
MOL File:
358629-39-7.mol
Modify Date:
2023/4/23 13:52:06
Request For Quotation

1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) Properties

Boiling point 402.4±24.0 °C(Predicted)
Density 1.286±0.06 g/cm3(Predicted)
solubility Methanol; Ethyl Acetate
form Solid
pka 4.18±0.19(Predicted)
color White

1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) Chemical Properties,Uses,Production

Uses

(αZ)-α-Ethylidene-2-oxo-1-pyrrolidineacetic Acid is an intermediate in the synthesis of Dehydro Levetiracetam (Levetiracetam EP Impurity B) (D230275), which is an impurity of Levetiracetam (L331500) which is an (S)-enantiomer of Etiracetam (E932970) and the ethyl analog of Piracetam (P500800). Used as an anticonvulsant.

1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

(2S)-2-(2-Oxopyrrolidin-1-yl)butanoic acid

1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) Suppliers

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Hebei Yaocheng Pharmaceutical Technology Co. Ltd 58
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CHEMSTEP 51
Shanghai Hao Zhun Biological Technology Co., Ltd. 58

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1-Pyrrolidineaceticacid,alpha-ethylidene-2-oxo-,(alphaZ)-(9CI) (αZ)-α-Ethylidene-2-oxo-1-pyrrolidineacetic Acid Levetiracetam Impurity 32 (Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enoic Acid 1-Pyrrolidineacetic acid, α-ethylidene-2-oxo-, (αZ)- 358629-39-7 GLYCINESCAFFOLD