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CS-W001157 4
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4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane

  • CAS No. 635305-48-5

  • Cat. No. CS-0091600
  • Purity≥97%
  • MDL No.MFCD11045430

*For research and further manufacturing use only, not for direct human use.

4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane|CS-0091600

Structure of 635305-48-5

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General Information

  • CAS No. 635305-48-5
  • Cat. No. CS-0091600
  • Purity ≥97%
  • MDL No. MFCD11045430
  • Storage -20°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₁H₁₇BO₂S
  • Molecular Weight 224.13
  • Synonym(s) 4-Methyl-2-thiopheneboronic Acid Pinacol Ester
  • SMILES CC1=CSC(B2OC(C)(C)C(C)(C)O2)=C1

Synthesis

  • Route1

    References

    • NOVO NORDISK A/S Patent: WO2003/105860 A1, 2003 ; Location in patent: Page 35 ; WO 03/105860 A1
  • Route2
    • In-stock
      2-Bromo-4-methylthiophene|CS-0022356
      53119-60-1
    • null|null
      61676-62-8
    • ~91%
    • In-stock
      4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane|CS-0091600
      635305-48-5

    References

    • Melucci; Barbarella; Zambianchi; Di Pietro; Bongini Journal of Organic Chemistry, 2004 , vol. 69, # 14 p. 4821 - 4828
  • Route3
    • null|null
      616-44-4
    • null|null
      25015-63-8
    • ~%
    • In-stock
      4,4,5,5-Tetramethyl-2-(3-methylthiophen-2-yl)-1,3,2-dioxaborolane|CS-0051125
      885692-91-1
    • In-stock
      4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane|CS-0091600
      635305-48-5

    References

    • Tetrahedron, , vol. 64, # 26 p. 6103 - 6114

Safety Information

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GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H413
Precautionary Statements : P264-P270-P273-P330-P501

Quality Control

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Computational Chemistry Data

  • TPSA   18.46
  • LogP   2.35572
  • H_Acceptors   3
  • H_Donors   0
  • Rotatable_Bonds   1

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