Definition of tosyl in English:

tosyl

noun ˈtəʊsɪlˈtəʊsʌɪlˈtäsəl

Chemistry

as modifier Of or denoting the toluene-4-sulphonyl radical —SO₂C₆H₄CH₃, used in organic synthesis.
〔化〕对甲苯磺酰基
tosyl chloride
Example sentencesExamples
- 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.
- 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.

Origin

1930s: from German, from to(luol) and s(ulphon)yl.

Definition of tosyl in US English:

tosyl

nounˈtäsəl

Chemistry

as modifier Of or denoting the toluene-4-sulphonyl radical —SO₂C₆H₄CH₃, used in organic synthesis.
〔化〕对甲苯磺酰基
tosyl chloride
Example sentencesExamples
- 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.
- 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.

Origin

1930s: from German, from to(luol) and s(ulphon)yl.

词汇	tosyl
释义	Definition of tosyl in English: tosyl noun ˈtəʊsɪlˈtəʊsʌɪlˈtäsəl Chemistry as modifier Of or denoting the toluene-4-sulphonyl radical —SO₂C₆H₄CH₃, used in organic synthesis. 〔化〕对甲苯磺酰基 tosyl chloride Example sentencesExamples 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. 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. Origin 1930s: from German, from to(luol) and s(ulphon)yl. Definition of tosyl in US English: tosyl nounˈtäsəl Chemistry as modifier Of or denoting the toluene-4-sulphonyl radical —SO₂C₆H₄CH₃, used in organic synthesis. 〔化〕对甲苯磺酰基 tosyl chloride Example sentencesExamples 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. 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. Origin 1930s: from German, from to(luol) and s(ulphon)yl.
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