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词条 Sulfonyl
释义

  1. Examples of sulfonyl group substituents

  2. See also

  3. References

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A sulfonyl group can refer either to a functional group found primarily in sulfones or to a substituent obtained from a sulfonic acid by the removal of the hydroxyl group similarly to acyl groups. Sulfonyl groups can be written as having the general formula R−S(=O)2−R′, where there are two double bonds between the sulfur and oxygen.

Sulfonyl groups can be reduced to the hydrocarbon with lithium aluminium hydride (LiAlH4).

In inorganic chemistry, when the group −S(=O)2− is not connected to any carbon atoms, it is referred to as sulfuryl.

Examples of sulfonyl group substituents

The names of sulfonyl groups typically end in -syl, such as:

Group nameFull namePseudoelement symbolExample
Tosylp-toluenesulfonylTsTosyl chloride (p-toluenesulfonyl chloride)
CH3C6H4SO2Cl
Brosylp-bromobenzenesulfonylBs
Nosylo- or p-nitrobenzenesulfonylNs
MesylmethanesulfonylMsMesyl chloride (methanesulfonyl chloride)
CH3SO2Cl
TriflyltrifluoromethanesulfonylTf
Tresyl2,2,2-trifluoroethyl-1-sulfonyl
Dansyl5-(dimethylamino)naphthalene-1-sulfonylDsDansyl chloride

See also

  • Sulfonyl halide

References

{{Functional Groups}}{{organic-chemistry-stub}}

3 : Functional groups|Sulfonyl groups|Organosulfur compounds

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