Cas no 177735-09-0 ((3-Methylthiophen-2-yl)boronic acid)

(3-Methylthiophen-2-yl)boronic acid is a heterocyclic boronic acid derivative widely used as a key intermediate in Suzuki-Miyaura cross-coupling reactions. Its thiophene backbone, substituted with a methyl group at the 3-position, enhances stability and reactivity in palladium-catalyzed transformations, making it valuable for constructing complex organic frameworks. The boronic acid functional group enables efficient coupling with aryl or vinyl halides, facilitating the synthesis of pharmaceuticals, agrochemicals, and advanced materials. This compound exhibits good solubility in common organic solvents, ensuring versatility in synthetic applications. Its consistent purity and reliable performance make it a preferred choice for researchers in medicinal chemistry and material science. Proper handling under inert conditions is recommended to maintain stability.
(3-Methylthiophen-2-yl)boronic acid structure
177735-09-0 structure
Product Name:(3-Methylthiophen-2-yl)boronic acid
CAS No:177735-09-0
MF:C5H7BO2S
MW:141.983880281448
MDL:MFCD00236049
CID:66077
PubChem ID:3276437
Update Time:2025-05-19

(3-Methylthiophen-2-yl)boronic acid Chemical and Physical Properties

Names and Identifiers

    • (3-Methylthiophen-2-yl)boronic acid
    • AKOS B003946
    • 3-METHYL-2-THIENYLBORONIC ACID
    • 3-METHYL-2-THIOPHENEBORONIC ACID
    • 3-Methylthiophene-2-boronic acid
    • 3-methylthiophen-2-yl-2-boronic acid
    • 3-Methylthiophene-2-boronic acid ,99%
    • 3-methylthiophene-2-boronic acid, AldrichCPR
    • Boronic acid, B-(3-methyl-2-thienyl)-
    • J-512935
    • DTXSID30390946
    • MOOOGTOEKZWEJA-UHFFFAOYSA-N
    • A3939
    • CS-W001236
    • AB05348
    • MFCD00236049
    • Boronic acid, (3-methyl-2-thienyl)-
    • AKOS000304477
    • 177735-09-0
    • 3-Methylthiophene-2-boronicacid
    • 3-methylthiophen-2-ylboronic acid
    • EN300-212499
    • SCHEMBL133332
    • 3-methylthiophen-2yl-boronic acid
    • FT-0643718
    • AS-17804
    • AM803368
    • STK045659
    • DB-006488
    • 689-940-6
    • DTXCID80341807
    • MDL: MFCD00236049
    • Inchi: 1S/C5H7BO2S/c1-4-2-3-9-5(4)6(7)8/h2-3,7-8H,1H3
    • InChI Key: MOOOGTOEKZWEJA-UHFFFAOYSA-N
    • SMILES: S1C=CC(C)=C1B(O)O

Computed Properties

  • Exact Mass: 142.02600
  • Monoisotopic Mass: 142.026
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 1
  • Complexity: 99
  • 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: 68.7A^2

Experimental Properties

  • Density: 1.25
  • Melting Point: 192-196℃
  • Boiling Point: 302.1℃ at 760 mmHg
  • Flash Point: 136.5°C
  • Refractive Index: 1.55
  • PSA: 68.70000
  • LogP: -0.26370

(3-Methylthiophen-2-yl)boronic acid Security Information

(3-Methylthiophen-2-yl)boronic acid 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%

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(3-Methylthiophen-2-yl)boronic acid Production Method

(3-Methylthiophen-2-yl)boronic acid Related Literature

Additional information on (3-Methylthiophen-2-yl)boronic acid

(3-Methylthiophen-2-yl)boronic Acid: A Comprehensive Overview

(3-Methylthiophen-2-yl)boronic acid, also known by its CAS number 177735-09-0, is a versatile and significant compound in the field of organic chemistry. This compound, which belongs to the class of boronic acids, has garnered considerable attention due to its unique properties and wide-ranging applications in various chemical and biological contexts. In recent years, advancements in synthetic methodologies and its utilization in cutting-edge research have further solidified its importance in both academic and industrial settings.

The structure of (3-Methylthiophen-2-yl)boronic acid comprises a thiophene ring substituted with a methyl group at the 3-position and a boronic acid group at the 2-position. This arrangement imparts the molecule with distinctive electronic and steric properties, making it highly suitable for various chemical transformations. The thiophene moiety, a five-membered aromatic heterocycle containing sulfur, contributes to the compound's stability and reactivity, while the boronic acid group enables participation in cross-coupling reactions—a cornerstone of modern organic synthesis.

Recent studies have highlighted the role of (3-Methylthiophen-2-yl)boronic acid in the synthesis of bioactive molecules and materials science. For instance, researchers have employed this compound as a key intermediate in the construction of complex natural product analogs and functional materials. Its ability to undergo Suzuki-Miyaura coupling reactions has been particularly exploited, allowing for the efficient assembly of biaryl structures with potential applications in drug discovery and electronic materials.

In addition to its synthetic utility, (3-Methylthiophen-2-yl)boronic acid has been investigated for its biological activity. Preclinical studies suggest that derivatives of this compound may exhibit promising anti-inflammatory or antioxidant properties, opening avenues for further exploration in pharmacological research. The integration of computational chemistry techniques has also facilitated a deeper understanding of its molecular interactions, paving the way for optimized designs tailored to specific therapeutic targets.

The synthesis of (3-Methylthiophen-2-yl)boronic acid typically involves multi-step processes that combine traditional organic reactions with modern catalytic methods. One common approach entails the hydroboration of an appropriately substituted thiophene derivative, followed by oxidative workup to yield the desired boronic acid. Innovations in catalysis, such as the use of palladium catalysts or microwave-assisted conditions, have significantly enhanced the efficiency and scalability of these syntheses.

From an environmental standpoint, researchers have increasingly focused on developing sustainable routes for synthesizing (3-Methylthiophen-2-yl)boronic acid. Green chemistry principles, including the use of renewable feedstocks and energy-efficient reaction conditions, are being integrated into its production processes to minimize ecological impact. Such efforts underscore the compound's relevance not only in scientific research but also in addressing global sustainability challenges.

In conclusion, (3-Methylthiophen-2-yl)boronic acid, with its unique structural features and diverse applications, remains a focal point in contemporary organic chemistry. Its continued exploration across various disciplines ensures that it will play an integral role in advancing both fundamental scientific understanding and practical technological innovations.

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