noun[as modifier] Chemistry
- Of or denoting the toluene-4-sulphonyl radical —SO2C6H4CH3, used in organic synthesis: tosyl chlorideMore example sentences
- In all experiments superparamagnetic particles of 4.5-m diameter (Dynabeads, Dynal, Hamburg, Germany) exhibiting reactive tosyl groups on the surface were used as magnetic tweezers.
- The choice of TsSePh, rather than a tosyl halide, as the precursor of tosyl radical is based on the greater stability of the resulting selenides with respect to elimination compared to the halides.
1930s: from German, from to(luol) and s(ulphon)yl.
More definitions of tosylDefinition of tosyl in:
- The US English dictionary