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(triethylsilyl)acetylene

(TRIETHYLSILYL)ACETYLENE 97%

Catalog No.
C005B-022444
Manufacturer No.
346977-5G
Manufacturer Name
Sigma-Aldrich
Quantity
5
Unit of Measure
GR

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(Triethylsilyl)acetylene, a bulky trialkylsilyl-protected alkyne, undergoes Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to yield synthetically useful unsymmetrical diynes. Rhodium-catalyzed dimerization of

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General description

(Triethylsilyl)acetylene, a bulky trialkylsilyl-protected alkyne, undergoes Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to yield synthetically useful unsymmetrical diynes. Rhodium-catalyzed dimerization of (triethylsilyl)acetylene has been reported.

Application

(Triethylsilyl)acetylene may be used in the synthesis of triethylsilylethynyl anthradithiophenes, such as :

  • 2,8-dimethyl-5,11-bis(triethylsilylethynyl)ADT (ADT= anthradithiophene)
  • 2,8-diethyl-5,11-bis(triethylsilylethynyl)ADT
  • 2,8-dipropyl-5,11-bis(triethylsilylethynyl)ADT

Molecular Weight: 140.30. Empirical Formula: C8H16Si. linearFormula: (C2H5)3SiC≡. CH. Quality Level: 100. Assay: 97%. form: liquid. refractive index: n20/D 1.433 (lit.). density: 0.783 . g/mL . at 25 . °C (lit.). SMILES string: CC[Si](CC)(CC)C#C. InChI: 1S/C8H16Si/c1-5-9(6-2,7-3)8-4/h1H,6-8H2,2-4H3. InChI key: FWSPXZXVNVQHIF-UHFFFAOYSA-N. Pictograms: GHS02. Signal Word: Danger. Hazard Statements: H225. Precautionary Statements: P210 - P370 + P378 - P403 + P235. Hazard Classifications: Flam. Liq. 2. Storage Class Code: 3 - Flammable liquids. WGK: WGK 3. Flash Point(F): 62.6 °F - closed cup. Flash Point(C): 17 °C - closed cup. Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter.
UPC:
12352321
Condition:
New
HazmatClass:
Yes
MPN:
346977-5G
CAS:
1777-03-3

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