3,3-Dimethyl-1-(trifluoromethyl)-1,2-benziodoxole

Synonym
Product Category
Product Code
CAS Number
MDL Number
Pubchem SID
Reaxys RN
Togni Reagent I, Alcohol Togni CF3-Reagent
Trifluoromethylating Reagents
KUMI3F10
887144-97-0
MFCD10567056 
87561099
10663510 
image-155171-Trimethyl(trifluoromethyl)silane_reagent.png
Chemical Name
Molecular Formula
Molecular Weight
Assay(Analysis Method)
Appearance
Melting Point
Packaging
Storage
3,3-Dimethyl-1-(trifluoromethyl)-1,2-benziodoxole
C10H10F3IO
330.09
≥98%(HPLC)
White Solid
75-79°C
5g,10g,50g,100g,500g and 1kg
Store at room temperature
Togni reagent I (also named as alcohol CF3-reagent) is the first hypervalent iodine-CF3 reagent that was commercialized and well-received for electrophilic Trifluoromethylation. The Togni reagent is bench-stable,easy to handle, and can be exposed to moist air for short periods of time without any apparent alteration. It is clearly much better soluble in organic solvents (even in pentane) than its analogue.
Electrophilic trifluoromethylation of arenes and N-heteroarenes using hypervalent iodine reagents. [1]
Electrophilic Trifluoromethylation by Use of Hypervalent Iodine Reagents. [2]
Why does Togni's reagent I exist in the high-energy hypervalent iodine form? Re-evaluation of benziodoxole based hypervalent iodine reagents. [3]
Magnesium-Catalyzed Electrophilic Trifluoromethylation: Facile Access to All-Carbon Quaternary Centers in Oxindoles. [4]
References:
[1] M.S.Wiehn ,E.V.Vinogradova, A.Togni, J.Fluorine Chem., 2010, 131(9), pp 951-957.
[2] J.Charpentier, N.Früh, A.Togni, Chem. Rev., 2015, 115(2), pp 650-682.
[3] T.Y.Sun, X.Wang, Y.Xie, Y.P.Wu, X.Zhang, H.F.Schaefer III, Chem. Commun., 2016, 52, pp 5371-5374.
[4] D.Katayev, H.Kajita, A.Togni, Chem. Eur.J., 2017, 23(35), pp 8353-8357.
Signal Word
Hazard Statements
Precautionary Statements
HS Code
RIDADR
Legal Information
Warning
H228,H315,H319,H335
P210,P261,P305+P351+P338
2934999090
UN1325 4(1)/PG III

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