Comins' reagent: Difference between revisions
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| ImageFile = CominsReagent.png |
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| ImageName = Skeletal formula of Comin's Reagent |
| ImageName = Skeletal formula of Comin's Reagent |
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| ImageFile2 = Comin's reagent-3D-balls.png |
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| IUPACName = |
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| PIN = N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-((trifluoromethyl)sulfonyl)methanesulfonamide |
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|Section1={{Chembox Identifiers |
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| CASNo = 145100-51-2 |
| CASNo = 145100-51-2 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| UNII = WS933U9U66 |
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| EINECS = 629-110-2 |
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| PubChem = 388544 |
| PubChem = 388544 |
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| ChemSpiderID = 344376 |
| ChemSpiderID = 344376 |
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'''Comins' reagent''' is a [[Trifluoromethylsulfonyl|triflyl]] |
The '''Comins' reagent''' is a [[Trifluoromethylsulfonyl|triflyl]]-donating reagent that is used to synthesize vinyl [[Trifluoromethanesulfonate|triflates]] from the corresponding ketone enolates or dienolates.<ref>{{cite book | last1 = Mundy | first1 = Bradford P. | last2 = Ellerd | first2 = Michael G. | last3 = Favaloro | first3 = Frank G. Jr. | title = Name Reactions and Reagents in Organic Synthesis | isbn = 978-0471228547 | edition = 2nd | year = 2005| publisher = John Wiley & Sons }}</ref> |
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[[File:SampleReactionWithCominsReagent.png|center|500px|Sample Reaction With Comin's Reagent]] |
[[File:SampleReactionWithCominsReagent.png|center|500px|Sample Reaction With Comin's Reagent]] |
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It was first reported in 1992 by Daniel Comins |
It was first reported in 1992 by Daniel Comins.<ref>{{cite journal | last1 = Comins | first1 = Daniel L. | last2 = Dehghani | first2 = Ali | title = Pyridine-Derived Triflating Reagents: An Improved Preparation of Vinyl Triflates from Metallo Enolates | journal = Tetrahedron Letters | year = 1992 | volume = 33 | issue = 42 | pages = 6299–6302 | doi = 10.1016/S0040-4039(00)60957-7}}</ref> The vinyl triflates prepared are useful as substrates in the [[Suzuki reaction]].<ref>{{cite journal|author1-link=Norio Miyaura|author2-link=Akira Suzuki (chemist) | last1 = Miyaura | first1 = Norio | last2 = Suzuki | first2 = Akira | title = Palladium-Catalyzed Cross-Coupling Reactions of Organoboron Compounds | journal = Chemical Reviews | year = 1995 | volume = 95 | issue = 7 | pages = 2457–2483 | doi = 10.1021/cr00039a007 | citeseerx = 10.1.1.735.7660 }}</ref> |
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==See also== |
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* [[Bis(trifluoromethanesulfonyl)aniline]] |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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==External links== |
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[[Category:Chloropyridines]] |
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* [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=24865208&viewopt=Deposited Comins' Reagent at PubChem] |
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[[Category:Sulfonamides]] |
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[[Category:Trifluoromethyl compounds]] |
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[[Category:Substances discovered in the 1990s]] |
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{{organic-compound-stub}} |
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{{chem-stub}} |
Latest revision as of 20:19, 2 December 2024
Names | |
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Preferred IUPAC name
N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-((trifluoromethyl)sulfonyl)methanesulfonamide | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.157.321 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C7H3ClF6N2O4S2 | |
Molar mass | 392.67 g·mol−1 |
Appearance | White solid |
Melting point | 45 °C (113 °F; 318 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The Comins' reagent is a triflyl-donating reagent that is used to synthesize vinyl triflates from the corresponding ketone enolates or dienolates.[1]
It was first reported in 1992 by Daniel Comins.[2] The vinyl triflates prepared are useful as substrates in the Suzuki reaction.[3]
See also
[edit]References
[edit]- ^ Mundy, Bradford P.; Ellerd, Michael G.; Favaloro, Frank G. Jr. (2005). Name Reactions and Reagents in Organic Synthesis (2nd ed.). John Wiley & Sons. ISBN 978-0471228547.
- ^ Comins, Daniel L.; Dehghani, Ali (1992). "Pyridine-Derived Triflating Reagents: An Improved Preparation of Vinyl Triflates from Metallo Enolates". Tetrahedron Letters. 33 (42): 6299–6302. doi:10.1016/S0040-4039(00)60957-7.
- ^ Miyaura, Norio; Suzuki, Akira (1995). "Palladium-Catalyzed Cross-Coupling Reactions of Organoboron Compounds". Chemical Reviews. 95 (7): 2457–2483. CiteSeerX 10.1.1.735.7660. doi:10.1021/cr00039a007.