Lot numbers can be found on the outside label of a product:
Ethyl 1-Boc-4-oxopyrrolidine-3-carboxylate
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CAS No. 146256-98-6
- Cat. No. CS-D0932
- Purity≥95%
- MDL No.MFCD06656201
*For research and further manufacturing use only, not for direct human use.
Structure of 146256-98-6
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General Information
- CAS No. 146256-98-6
- Cat. No. CS-D0932
- Purity ≥95%
- MDL No. MFCD06656201
- Storage -20°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₂H₁₉NO₅
- Molecular Weight 257.28
- Synonym(s) 4-Oxopyrrolidine-1,3-dicarboxylic Acid 1-tert-Butyl 3-Ethyl Ester
- SMILES CC(C)(C)OC(N(CC1=O)CC1C(OCC)=O)=O
Description
Ethyl 1-Boc-4-oxopyrrolidine-3-carboxylate features a stable Boc-protected pyrrolidine scaffold with a ketone at the C4 position and an ester group at C3. This versatile intermediate integrates readily into synthetic routes requiring nitrogen heterocycles with orthogonal functional handles, enabling efficient access to bioactive molecules under standard conditions.
Application
Ethyl 1-Boc-4-oxopyrrolidine-3-carboxylate serves as a versatile building block for pyrrolidine-based scaffolds in medicinal chemistry. The Boc-protected amine and ester functionalities enable sequential transformations, including reduction of the ketone to yield chiral 4-hydroxypyrrolidines or derivatization via nucleophilic displacement. Its bench-stable nature and compatibility with standard coupling and protection protocols facilitate efficient synthesis of heterocyclic intermediates and API precursors.
Synthesis
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Route1
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In-stock
14719-37-0 -
140-88-5 - ~63%
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In-stock
146256-98-6
References
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Simpson, Graham L.; Gordon, Andrew H.; Lindsay, David M.; Promsawan, Netnepa; Crump, Matthew P.; Mulholland, Keith; Hayter, Barry R.; Gallagher, Timothy Journal of the American Chemical Society, 2006 , vol. 128, # 33 p. 10638 - 10639
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Route2
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In-stock
31954-27-5 -
140-88-5
- ~%
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In-stock
146256-98-6
References
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US2010/29686 A1, ; Page/Page column 20 ; US 20100029686 A1
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Route3
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In-stock
24424-99-5 - ~%
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In-stock
146256-98-6
References
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Tetrahedron Letters, , vol. 48, # 29 p. 5023 - 5026
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 72.91
- LogP 0.9855
- H_Acceptors 5
- H_Donors 0
- Rotatable_Bonds 2
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Key Words
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