Cas no 196212-27-8 (1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene)

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene is a high-purity borylation reagent widely used in Suzuki-Miyaura cross-coupling reactions. Its key advantages include excellent stability under ambient conditions, facilitating handling and storage. The compound’s symmetrical structure and two boronate ester groups enhance reactivity in palladium-catalyzed transformations, enabling efficient synthesis of biaryl and conjugated systems. Its high selectivity and compatibility with diverse functional groups make it valuable in pharmaceutical and materials chemistry. The tetramethyl substitution on the dioxaborolane rings further improves solubility in organic solvents, ensuring consistent performance in complex synthetic routes. This reagent is particularly suited for applications requiring precise control over molecular architecture.
1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene structure
196212-27-8 structure
Product Name:1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene
CAS No:196212-27-8
MF:C18H28B2O4
MW:330.034525871277
MDL:MFCD09864185
CID:850721
PubChem ID:354333592
Update Time:2025-10-29

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Chemical and Physical Properties

Names and Identifiers

    • 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene
    • 4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
    • 1,3-Benzenediboronic Acid Bis(pinacol) Ester
    • 1,3-phenyldiboronic acid, bis(pinacol) ester
    • 1,3-Phenyldiboronic acid, pinacol ester
    • 4,4,5,5-Tetramethyl-2-[3-(tetramethyl-1,3,2-dioxa-borolan-2-yl)phenyl]-1,3,2-dioxaborolane
    • 1,3-Phenyldiboronic acid
    • AMTB190
    • benzene-1,3-diboronic acid pinacol ester
    • 1,3-Phenylenebis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
    • 1,3-Phenylenediboronic Acid Pinacol Ester
    • 1,3-phenyldiboronic acid, bis(picol) ester
    • Benzene-1,3-diboronic acid, pinacol diester
    • 1,3-phenyldiboronic acid, bis(pinacol) ester AldrichCPR
    • 2,2'-(1,3-Phenylene)bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]
    • 4,4,5,5-tetramethyl-2-[3-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
    • 1,3,2-Dioxaborolane, 2,2'-(1,3-phenylene)bis[4,4,5,5-tetramethyl-
    • 2,2'-(1,3-Phenylene)bis[4,4,5,5-tet
    • AKOS015960159
    • 1,3-phenyldiboronic acid bis(pinacol) ester
    • MFCD09864185
    • 1,3-Phenylenediboronic Acid Bis(pinacol) Ester
    • SCHEMBL1476213
    • 1,3-Benzenediboronic Acid Bis(pinacol) Ester(contains varying amounts of Anhydride)
    • LLQQCDJVSYEQQQ-UHFFFAOYSA-N
    • SY051168
    • 196212-27-8
    • SB74474
    • CS-W000894
    • DTXSID30656453
    • 2,2'-(1,3-Phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
    • 1,3-Phenyldiboronic acid bis(pinacol)ester
    • 1,3-phenyldiboronic acid, bis(pinacol) ester, AldrichCPR
    • 1,3-Benzenediboronic Acid Bispinacol Ester
    • B5070
    • 1,3-bis(4,4,5,5-tetramethyl-1, 3,2-dioxaborolan-2-yl)benzene
    • AS-2402
    • J-012687
    • MDL: MFCD09864185
    • Inchi: 1S/C18H28B2O4/c1-15(2)16(3,4)22-19(21-15)13-10-9-11-14(12-13)20-23-17(5,6)18(7,8)24-20/h9-12H,1-8H3
    • InChI Key: LLQQCDJVSYEQQQ-UHFFFAOYSA-N
    • SMILES: O1B(C2C=CC=C(B3OC(C)(C)C(C)(C)O3)C=2)OC(C)(C)C1(C)C

Computed Properties

  • Exact Mass: 330.21700
  • Monoisotopic Mass: 330.2173697g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 24
  • Rotatable Bond Count: 2
  • Complexity: 415
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 36.9

Experimental Properties

  • Color/Form: No data available
  • Melting Point: 133.0 to 137.0 deg-C
  • Boiling Point: 430.9°C at 760 mmHg
  • Flash Point: 214.4±24.0 °C
  • PSA: 36.92000
  • LogP: 2.28500

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Security Information

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Customs Data

  • HS CODE:2934999090
  • Customs Data:

    China Customs Code:

    2934999090

    Overview:

    2934999090. Other heterocyclic compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Pricemore >>

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1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Production Method

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene Related Literature

Additional information on 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene

1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene

The compound 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene (CAS No. 196212-27-8) is a highly specialized organoboron compound with significant applications in various fields of chemistry and materials science. This compound is characterized by its unique structure, which consists of a benzene ring substituted with two boron-containing groups at the 1 and 3 positions. The boron groups are part of a dioxaborolane ring system, specifically the 4,4,5,5-tetramethyl derivative.

The synthesis of 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene typically involves advanced organic synthesis techniques such as Suzuki-Miyaura coupling reactions or other cross-coupling methodologies. These methods allow for the precise attachment of the dioxaborolane groups onto the benzene ring. The choice of synthesis method depends on the specific requirements of the application and the desired purity of the final product.

One of the most notable applications of this compound is in the field of materials science and electronics. The presence of boron atoms in the molecule introduces unique electronic properties that make it suitable for use in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other optoelectronic devices. Recent studies have demonstrated that 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene can significantly enhance the efficiency and stability of these devices by acting as an electron transport layer or as a dopant in emissive layers.

In addition to its electronic applications, this compound has also found utility in medicinal chemistry and drug delivery systems. The boron-containing groups can act as bioactive moieties that interact with biological targets such as enzymes or receptors. Researchers have explored its potential as a scaffold for designing novel pharmaceutical agents with improved pharmacokinetic properties.

Recent advancements in computational chemistry have provided deeper insights into the electronic structure and reactivity of 196212-27-8. Quantum mechanical calculations have revealed that the dioxaborolane groups significantly influence the molecule's frontier molecular orbitals (FMOs), making it more susceptible to nucleophilic attack or redox reactions under specific conditions.

Furthermore, 196212-27-8 has been utilized as a precursor in the synthesis of more complex organoboron compounds with tailored functionalities. For instance, it has been employed in click chemistry reactions to construct larger molecular frameworks with potential applications in nanotechnology and biotechnology.

The environmental impact and sustainability aspects of this compound are also under scrutiny due to its increasing industrial relevance. Studies are being conducted to assess its biodegradability and eco-toxicological effects under various environmental conditions.

In conclusion, 196212-27-8, also known as 196212_008, is a versatile organoboron compound with a wide range of applications across multiple disciplines. Its unique chemical structure and functional groups make it an invaluable tool for researchers working in areas such as materials science、electronic devices、medicinal chemistry、and sustainable chemistry.

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