Cas no 824-52-2 (5-Methyl-1H-pyrrolo[2,3-b]pyridine)

5-Methyl-1H-pyrrolo[2,3-b]pyridine is a heterocyclic aromatic compound featuring a fused pyrrole-pyridine structure with a methyl substituent at the 5-position. This scaffold is of significant interest in medicinal chemistry due to its role as a versatile building block for biologically active molecules, particularly in the development of kinase inhibitors and other therapeutic agents. Its rigid, planar structure enhances binding affinity to target proteins, while the methyl group can influence metabolic stability and lipophilicity. The compound is also valuable in materials science for designing organic electronic materials. High purity and well-defined synthetic routes ensure reproducibility for research and industrial applications.
5-Methyl-1H-pyrrolo[2,3-b]pyridine structure
824-52-2 structure
Product Name:5-Methyl-1H-pyrrolo[2,3-b]pyridine
CAS No:824-52-2
MF:C8H8N2
MW:132.162521362305
MDL:MFCD06659674
CID:720597
PubChem ID:20597429
Update Time:2025-08-01

5-Methyl-1H-pyrrolo[2,3-b]pyridine Chemical and Physical Properties

Names and Identifiers

    • 5-Methyl-1H-pyrrolo[2,3-b]pyridine
    • 1H-Pyrrolo[2,3-b]pyridine, 5-methyl-
    • 5-Methyl-7-azaindole
    • 5-Methyl-1H-pyrrolo[2,3-b]pyridine (ACI)
    • MDL: MFCD06659674
    • Inchi: 1S/C8H8N2/c1-6-4-7-2-3-9-8(7)10-5-6/h2-5H,1H3,(H,9,10)
    • InChI Key: DJCJHFFRHKGOCQ-UHFFFAOYSA-N
    • SMILES: N1C2=C(C=CN2)C=C(C)C=1

Computed Properties

  • Exact Mass: 132.06900
  • Monoisotopic Mass: 132.069
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 124
  • 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: 28.7A^2

Experimental Properties

  • Density: 1.186
  • Refractive Index: 1.666
  • PSA: 28.68000
  • LogP: 1.87130

5-Methyl-1H-pyrrolo[2,3-b]pyridine Security Information

  • Symbol: GHS05 GHS07
  • Signal Word:Danger
  • Hazard Statement: H302-H315-H318
  • Warning Statement: P280-P305+P351+P338
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 22-38-41
  • Safety Instruction: 26-39
  • Hazardous Material Identification: Xi
  • HazardClass:IRRITANT

5-Methyl-1H-pyrrolo[2,3-b]pyridine Customs Data

  • HS CODE:2933990090
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. 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, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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5-Methyl-1H-pyrrolo[2,3-b]pyridine Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Acetic acid Solvents: Water ;  4 h, reflux
Reference
Two-Step Synthesis of Aza- and Diazaindoles from Chloroamino-N-heterocycles Using Ethoxyvinylborolane
Whelligan, Daniel K.; et al, Journal of Organic Chemistry, 2010, 75(1), 11-15

Production Method 2

Reaction Conditions
1.1 Reagents: Tripotassium phosphate Catalysts: Palladium diacetate ,  2-Dicyclohexylphosphino-2′,6′-dimethoxybiphenyl Solvents: Acetonitrile ,  Water ;  overnight, reflux
2.1 Reagents: Acetic acid Solvents: Water ;  4 h, reflux
Reference
Two-Step Synthesis of Aza- and Diazaindoles from Chloroamino-N-heterocycles Using Ethoxyvinylborolane
Whelligan, Daniel K.; et al, Journal of Organic Chemistry, 2010, 75(1), 11-15

5-Methyl-1H-pyrrolo[2,3-b]pyridine Raw materials

5-Methyl-1H-pyrrolo[2,3-b]pyridine Preparation Products

Additional information on 5-Methyl-1H-pyrrolo[2,3-b]pyridine

Recent Advances in the Study of 5-Methyl-1H-pyrrolo[2,3-b]pyridine (CAS: 824-52-2) in Chemical Biology and Pharmaceutical Research

5-Methyl-1H-pyrrolo[2,3-b]pyridine (CAS: 824-52-2) is a heterocyclic compound that has garnered significant attention in recent years due to its versatile applications in medicinal chemistry and drug discovery. This compound serves as a key scaffold in the development of various bioactive molecules, particularly in the design of kinase inhibitors and other therapeutic agents. Recent studies have explored its potential in targeting specific biological pathways, making it a promising candidate for the treatment of diseases such as cancer, inflammatory disorders, and neurodegenerative conditions.

One of the most notable advancements in the study of 5-Methyl-1H-pyrrolo[2,3-b]pyridine is its role in the inhibition of protein kinases. Kinases are critical regulators of cellular processes, and their dysregulation is often implicated in disease pathogenesis. Researchers have successfully synthesized derivatives of this compound that exhibit potent inhibitory activity against specific kinases, such as JAK2 and EGFR, which are known to play pivotal roles in cancer progression. These findings highlight the compound's potential as a lead structure for the development of novel kinase inhibitors with improved selectivity and efficacy.

In addition to its kinase inhibitory properties, 5-Methyl-1H-pyrrolo[2,3-b]pyridine has also been investigated for its anti-inflammatory effects. Recent studies have demonstrated that certain derivatives of this compound can modulate the activity of key inflammatory mediators, such as NF-κB and COX-2. These effects suggest its potential utility in the treatment of chronic inflammatory diseases, including rheumatoid arthritis and inflammatory bowel disease. Furthermore, the compound's ability to cross the blood-brain barrier has sparked interest in its application for neurodegenerative disorders, where inflammation is a contributing factor to disease progression.

The synthesis and optimization of 5-Methyl-1H-pyrrolo[2,3-b]pyridine derivatives have been a focal point of recent research efforts. Advances in synthetic methodologies, such as transition-metal-catalyzed cross-coupling reactions, have enabled the efficient preparation of diverse derivatives with tailored pharmacological properties. Structure-activity relationship (SAR) studies have provided valuable insights into the structural features that enhance binding affinity and selectivity, guiding the design of next-generation therapeutics.

Despite these promising developments, challenges remain in the clinical translation of 5-Methyl-1H-pyrrolo[2,3-b]pyridine-based compounds. Issues such as bioavailability, metabolic stability, and potential off-target effects need to be addressed through further preclinical and clinical studies. However, the growing body of research underscores the compound's potential as a versatile scaffold in drug discovery, offering new avenues for the development of targeted therapies.

In conclusion, 5-Methyl-1H-pyrrolo[2,3-b]pyridine (CAS: 824-52-2) represents a promising chemical entity with broad applications in medicinal chemistry. Its ability to target multiple biological pathways, coupled with advances in synthetic chemistry, positions it as a valuable tool for the development of novel therapeutics. Continued research efforts are expected to further elucidate its mechanisms of action and expand its therapeutic potential, paving the way for innovative treatments in the fields of oncology, inflammation, and neurology.

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