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423343 Sigma-Aldrich

p-Tolyl [2-(trimethylsilyl)ethynyl] sulfone

98%

Synonym: 1-(p-Toluenesulfonyl)-2-(trimethylsilyl)acetylene, 2-(Trimethylsilyl)ethynyl p-tolyl sulfone

  • CAS Number 34452-56-7

  • Linear Formula (CH3)3SiC≡CSO2C6H4CH3

  • Molecular Weight 252.40

  •  Beilstein/REAXYS Number 2650368

  •  MDL number MFCD00192508

  •  PubChem Substance ID 24866490

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfones - Sulfur Compounds, Sulfur Compounds More...
assay   98%
mp   80-83 °C (lit.)
storage temp.   2-8°C
SMILES string   Cc1ccc(cc1)S(=O)(=O)C#C[Si](C)(C)C
InChI   1S/C12H16O2SSi/c1-11-5-7-12(8-6-11)15(13,14)9-10-16(2,3)4/h5-8H,1-4H3
InChI key   MMUNNGUGQXEUBR-UHFFFAOYSA-N

Description

General description

p-Tolyl [2-(trimethylsilyl)ethynyl] sulfone is an aryl trimethylsilylethynyl sulfone. It can be synthesized from bis(trimethylsilyl)acetylene.

Application

p-Tolyl [2-(trimethylsilyl)ethynyl] sulfone (1-tosyl-2-(trimethylsilyl)acetylene) may be used as a reactant in the synthesis of Cp(OC)2M-C=CSiMe3 (M = Fe, Ru) by reacting with [Cp(OC)2M ]-Na+ and as a reagent in the photochemical alkynylation of unreactive C (sp3)–H bonds.

Packaging

5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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