Cas no 944709-72-2 (Methyl 2-Bromo-5-methylthiophene-3-carboxylate)

Methyl 2-Bromo-5-methylthiophene-3-carboxylate is a brominated thiophene derivative with a methyl ester functional group, serving as a versatile intermediate in organic synthesis. Its key advantages include its role as a building block for pharmaceuticals, agrochemicals, and materials science due to the reactivity of the bromine substituent, which facilitates further functionalization via cross-coupling reactions (e.g., Suzuki or Stille couplings). The electron-withdrawing ester group enhances selectivity in electrophilic substitutions, while the methyl substitution at the 5-position contributes to steric and electronic modulation. This compound is particularly valuable in heterocyclic chemistry for constructing complex thiophene-based scaffolds with tailored properties.
Methyl 2-Bromo-5-methylthiophene-3-carboxylate structure
944709-72-2 structure
Product Name:Methyl 2-Bromo-5-methylthiophene-3-carboxylate
CAS No:944709-72-2
MF:C7H7BrO2S
MW:235.098280191422
MDL:MFCD09702018
CID:1000972
PubChem ID:37818645
Update Time:2025-06-11

Methyl 2-Bromo-5-methylthiophene-3-carboxylate Chemical and Physical Properties

Names and Identifiers

    • METHYL 5-BROMO-2-METHYLTHIOPHENE-4-CARBOXYLATE
    • 2-bromo-5-methyl-3-Thiophenecarboxylic acid methyl ester
    • methyl 2-bromo-5-methylthiophene-3-carboxylate
    • Methyl 2-bromo-5-methyl-3-thiophenecarboxylate (ACI)
    • DB-079900
    • SCHEMBL17398205
    • SY065497
    • J-521966
    • 944709-72-2
    • AKOS015835198
    • PS-5130
    • MFCD09702018
    • EN300-3545805
    • 2-Bromo-5-methylthiophene-3-carboxylic acid methyl ester
    • DTXSID90653307
    • methyl2-bromo-5-methylthiophene-3-carboxylate
    • Methyl 2-Bromo-5-methylthiophene-3-carboxylate
    • MDL: MFCD09702018
    • Inchi: 1S/C7H7BrO2S/c1-4-3-5(6(8)11-4)7(9)10-2/h3H,1-2H3
    • InChI Key: ROKSORSRSUAPHR-UHFFFAOYSA-N
    • SMILES: O=C(C1=C(Br)SC(C)=C1)OC

Computed Properties

  • Exact Mass: 233.93500
  • Monoisotopic Mass: 233.93501g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 2
  • Complexity: 163
  • 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
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 2.9
  • Topological Polar Surface Area: 54.5?2

Experimental Properties

  • Density: 1.575±0.06 g/cm3 (20 oC 760 Torr),
  • Boiling Point: 264.8±35.0 oC (760 Torr),
  • Flash Point: 114.0±25.9 oC,
  • Solubility: Very slightly soluble (0.28 g/l) (25 o C),
  • PSA: 54.54000
  • LogP: 2.60560
  • Vapor Pressure: 0.0±0.5 mmHg at 25°C

Methyl 2-Bromo-5-methylthiophene-3-carboxylate Security Information

Methyl 2-Bromo-5-methylthiophene-3-carboxylate 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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Methyl 2-Bromo-5-methylthiophene-3-carboxylate Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: N-Bromosuccinimide Solvents: Dimethylformamide ;  0 °C; 18 h, rt; 18 h, rt
Reference
Preparation of thiophenylpyridinylpyrazolecarboxylic acid derivatives for use as guanylate cyclase activators
, World Intellectual Property Organization, , ,

Methyl 2-Bromo-5-methylthiophene-3-carboxylate Raw materials

Methyl 2-Bromo-5-methylthiophene-3-carboxylate Preparation Products

Additional information on Methyl 2-Bromo-5-methylthiophene-3-carboxylate

Recent Advances in the Application of Methyl 2-Bromo-5-methylthiophene-3-carboxylate (CAS: 944709-72-2) in Chemical Biology and Pharmaceutical Research

Methyl 2-Bromo-5-methylthiophene-3-carboxylate (CAS: 944709-72-2) is a key intermediate in the synthesis of various bioactive compounds, particularly in the development of pharmaceuticals and agrochemicals. Recent studies have highlighted its versatility as a building block in organic synthesis, enabling the construction of complex molecular architectures with potential therapeutic applications. This research brief aims to summarize the latest findings related to this compound, focusing on its synthetic utility, biological activity, and emerging applications in drug discovery.

In a 2023 study published in the Journal of Medicinal Chemistry, researchers demonstrated the use of Methyl 2-Bromo-5-methylthiophene-3-carboxylate as a precursor for the synthesis of novel thiophene-based kinase inhibitors. The bromine atom at the 2-position allows for efficient palladium-catalyzed cross-coupling reactions, while the ester group provides a handle for further functionalization. This dual reactivity makes the compound particularly valuable for structure-activity relationship (SAR) studies in drug development programs targeting protein kinases involved in cancer and inflammatory diseases.

Recent advancements in synthetic methodology have expanded the utility of 944709-72-2 in medicinal chemistry. A 2024 publication in Organic Letters described a novel one-pot transformation of this compound into fused heterocyclic systems through sequential cross-coupling and cyclization reactions. This approach significantly reduces synthetic steps compared to traditional methods and has been applied to create libraries of potential drug candidates with improved pharmacokinetic properties. The study reported several derivatives showing promising activity against bacterial efflux pumps, suggesting potential applications in addressing antibiotic resistance.

From a biological perspective, research has uncovered interesting structure-activity relationships for thiophene derivatives synthesized from 944709-72-2. A 2023 study in Bioorganic & Medicinal Chemistry demonstrated that modifications at the 5-methyl position of the thiophene ring significantly influence binding affinity to certain G-protein coupled receptors (GPCRs). These findings are particularly relevant for the development of new central nervous system (CNS) therapeutics, as several GPCR targets are implicated in neurological disorders.

In the field of materials science, Methyl 2-Bromo-5-methylthiophene-3-carboxylate has found new applications in the development of organic electronic materials. A recent 2024 publication in Advanced Materials reported its use as a monomer for constructing conjugated polymers with tunable optoelectronic properties. These materials show potential for biosensing applications, particularly in the detection of disease biomarkers, due to their excellent charge transport characteristics and biocompatibility.

Looking forward, the unique chemical properties of 944709-72-2 continue to inspire innovative applications across multiple disciplines. Current research directions include its incorporation into PROTAC (proteolysis targeting chimera) molecules for targeted protein degradation and its use in the synthesis of covalent inhibitors for challenging drug targets. The compound's versatility, combined with recent methodological advances in its derivatization, ensures its ongoing importance in chemical biology and pharmaceutical research.

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