Lot numbers can be found on the outside label of a product:
tert-Butyl but-3-en-1-ylcarbamate,98% (stabilized with MEHQ)
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CAS No. 156731-40-7
- Cat. No. CS-0033284
- Purity95% (stabilized with MEHQ)
- MDL No.MFCD11975862
*For research and further manufacturing use only, not for direct human use.
Structure of 156731-40-7
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General Information
- CAS No. 156731-40-7
- Cat. No. CS-0033284
- Purity 95% (stabilized with MEHQ)
- MDL No. MFCD11975862
- Storage -20°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₉H₁₇NO₂
- Molecular Weight 171.24
- Synonym(s) 1-(Boc-amino)-3-butene
- SMILES O=C(OC(C)(C)C)NCCC=C
Description
tert-Butyl but-3-en-1-ylcarbamate, stabilized with MEHQ, is a bench-stable, moisture-tolerant building block featuring a terminal alkene and a protected amine. This combination enables efficient coupling reactions in synthetic workflows, where the vinyl group participates in cross-coupling or cycloaddition processes while the carbamate safeguards the amine functionality during transformation.
Application
tert-Butyl but-3-en-1-ylcarbamate serves as a versatile, bench-stable building block for late-stage functionalization and cross-coupling processes. Its pendant alkene enables efficient palladium-catalyzed transformations, while the tert-butyl carbamate group offers robust protection for primary amines with facile orthogonal deprotection. The stabilizer MEHQ prevents polymerization during storage and handling, ensuring consistent reactivity in synthetic workflows.
Synthesis
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Route1
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2524-49-4 -
In-stock
24424-99-5 - ~59%
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In-stock
156731-40-7
References
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BRISTOL-MYERS SQUIBB COMPANY; BOY, Kenneth M.; GUERNON, Jason M.; MACOR, John E.; THOMPSON III, Lorin A.; WU, Yong-Jin; ZHANG, Yunhui Patent: WO2012/9309 A1, 2012 ; Location in patent: Page/Page column 56 ; WO 2012/009309 A1
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Route2
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470443-12-0
- ~93%
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In-stock
156731-40-7
References
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UNIVERSITY OF WOLLONGONG Patent: WO2006/74501 A1, 2006 ; Location in patent: Page/Page column 209 ;
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References
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Pavlyuk, Oksana; Teller, Henrik; McMills, Mark C. Tetrahedron Letters, 2009 , vol. 50, # 23 p. 2716 - 2718
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07,GHS09
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Signal Word : Warning
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UN#: 3082
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Class : 9
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Packing Group : Ⅲ
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Hazard Statements : H302-H410
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Precautionary Statements : P264-P270-P273-P330-P391-P501
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Quality Control
Computational Chemistry Data
- TPSA 38.33
- LogP 2.0872
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 3
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Key Words
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