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HomeProduct name listFluoromethyl phenyl sulfone

Fluoromethyl phenyl sulfone

Fluoromethyl phenyl sulfone Structural

What is Fluoromethyl phenyl sulfone?

Description

Fluoromethyl phenyl sulfone is a useful nucleophilic monofluoromethylation reagent for the synthesis of fluoromethyl alcohols and amines. In the nucleophilic reaction step, strong bases such as LiHMDS and n-BuLi are used to generate the nucleophilic (phenylsulfonyl)fluoromethyl anion. In the desulfonylation step, sodium/mercury amalgam and magnesium are the commonly used reductive reagents. Besides, the addition reaction between fluoromethyl phenyl sulfone and carbonyls can be used to prepare monofluoroaklenes via acylation–elimination.

The Uses of Fluoromethyl phenyl sulfone

Fluoromethyl phenyl sulfone can be used to prepare monofluoroaklenes and chiral α-Monofluoromethyl Amines. Highly stereoselective nucleophilic monofluoromethylation of (R)-(tert-butanesulfinyl)imines with fluoromethyl phenyl sulfone was achieved to afford α-monofluoromethylamines with a nonchelation-controlled stereoselectivity mode. By using the same chemistry, (R)-(tert-butanesulfinyl)imines bearing a terminal tosylate (OTs) group can be converted to α-monofluoromethylated cyclic secondary amines with high stereoselectivity.

Reactions

(1) Monofluoromethylation of aldehydes and ketones.
Fluoromethyl phenyl sulfone
(2) Monofluoromethylation of aldimines and ketimines.
Fluoromethyl phenyl sulfone
(3) Monofluoromethylenation of aldehydes and ketones.
Fluoromethyl phenyl sulfone
(4) (Phenylsulfonyl)fluoromethylation of esters.
Fluoromethyl phenyl sulfone

References

[1] YA LI. Stereoselective Nucleophilic Monofluoromethylation of N-(tert-Butanesulfinyl)imines with Fluoromethyl Phenyl Sulfone[J]. Organic Letters, 2006. DOI:10.1021/ol060322t.
[2] M. INBASEKARAN. ChemInform Abstract: A NOVEL AND EFFICIENT SYNTHESIS OF FLUOROMETHYL PHENYL SULFONE AND ITS USE AS A FLUOROMETHYL WITTIG EQUIVALENT[J]. ChemInform, 1985. DOI:10.1002/chin.198536160.
[3] GOUVERNEUR V, LOZANO ó. Preparation of Chiral α-Monofluoromethyl Amines Using Fluoromethyl Phenyl Sulfone[C]. 1900. DOI:10.1055/sos-SD-203-00578.

Properties of Fluoromethyl phenyl sulfone

Melting point: 53 °C
Boiling point: 151 °C(Press: 0.3 Torr)
Density  1.274±0.06 g/cm3(Predicted)
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
solubility  soluble in Methanol
form  powder to crystal
color  White to Almost white

Safety information for Fluoromethyl phenyl sulfone

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for Fluoromethyl phenyl sulfone

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