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4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane

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Origin: China

Cas No: 736987-75-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 736987-75-0 Formula: C12H17BO2S Molecular Weight: 236.13800

    Basic Info

    Chemical Name 4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane
    Synonyms

    trans-2-(Thiophen-3-yl)vinylboronic acid pinacol ester;
    4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylvinyl]-1,3,2-dioxaborolane;
    (E)-4,4,5,5-tetramethyl-2-(2-(thiophen-3-yl)vinyl)-1,3,2-dioxaborolane;
    E-2-(Thiophen-3-yl)vinylboronic acid pinacol ester;
    4,4,5,5-Tetramethyl-2-[(1E)-2-(3-thienyl)ethenyl]-1,3,2-dioxaborolane;

    CAS No. 736987-75-0
    Molecular Formula C12H17BO2S
    Molecular Weight 236.13800
    PSA 46.70000
    LogP 3.39270

    Properties

    Density 1.073 g/mL at 25ºC
    Boiling Point 106-108ºC/0.2 mmHg
    Refractive Index n20/D 1.5376

    Safety Info

    HS Code 2934999090

    Synthesis Route

    3-Ethynylthiophene+Bis(pinacolato)diboron4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane
    3-Ethynylthiophene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane4,4,5,5-tetramethyl-2-[(E)-2-thiophen-3-ylethenyl]-1,3,2-dioxaborolane

    Precursor

    4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane
    Bis(pinacolato)diboron
    3-Ethynylthiophene

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