Cas no 352359-23-0 (1-boc-5-fluoro-1H-indole-2-boronic acid)

1-Boc-5-fluoro-1H-indole-2-boronic acid is a protected boronic acid derivative commonly employed in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex indole-based scaffolds. The Boc (tert-butoxycarbonyl) group enhances stability and handling by protecting the indole nitrogen, while the boronic acid moiety facilitates selective C–C bond formation under mild conditions. The 5-fluoro substitution introduces electronic modulation, making it valuable for pharmaceutical and agrochemical applications. This compound is particularly useful in medicinal chemistry for constructing fluorinated indole derivatives, which often exhibit enhanced biological activity and metabolic stability. Its compatibility with diverse reaction conditions and high functional group tolerance make it a versatile intermediate in organic synthesis.
1-boc-5-fluoro-1H-indole-2-boronic acid structure
352359-23-0 structure
Product Name:1-boc-5-fluoro-1H-indole-2-boronic acid
CAS No:352359-23-0
MF:C13H15BFNO4
MW:279.071907281876
MDL:MFCD04114581
CID:67805
PubChem ID:2763292
Update Time:2025-10-28

1-boc-5-fluoro-1H-indole-2-boronic acid Chemical and Physical Properties

Names and Identifiers

    • 1-Boc-5-Fluoro-1H-indole-2-boronic acid
    • N-tert-Butoxycarbonyl-5-fluoro-1H-indole-2-boronic acid
    • 1-Boc-5-fluoroindole-2-boronic acid
    • 1H-Indole-1-carboxylic acid, 2-borono-5-fluoro-, 1-(1,1-dimethylethyl) ester
    • N-(Boc)-5-fluoroindole-2-boronic acid
    • (1-(tert-Butoxycarbonyl)-5-fluoro-1H-indol-2-yl)boronic acid
    • [5-fluoro-1-[(2-methylpropan-2-yl)oxycarbonyl]indol-2-yl]boronic acid
    • 5-fluoroindole-2-boronic acid, n-boc protected
    • 1-(tert-butoxycarbonyl)-5-fluoro-1H-indol-2-ylboronic acid
    • 1-(tert-Butoxycarbonyl)-5-fluoro-1H-indol-2-yl-2-boronic acid
    • N-Boc-5-fluoroindole-2-boronic acid
    • BCP27563
    • DTXSID40376877
    • 1-Boc-5-fluoroindole-2-boronic acid, AldrichCPR
    • N-Boc-5-fluoro-indol-2-yl boronic acid
    • A15515
    • 1-(tert-butoxycarbonyl)-5-fluoro-1H-indol-2-ylboronic acid;1-Boc-5-fluoroindole-2-boronic Acid
    • SCHEMBL594560
    • J-503651
    • AB18601
    • AS-48278
    • 352359-23-0
    • 5-fluoro-1-tert-butoxycarbonylindole-2-boronic acid
    • MFCD04114581
    • F30152
    • TZHYEXHDCFQZGG-UHFFFAOYSA-N
    • N-Boc-5-fluoro-indole-2-boronic acid
    • AKOS015841420
    • SY023465
    • FT-0644489
    • CS-0002266
    • 5-Fluoro-1H-indole-2-boronic acid, N-BOC protected
    • 1-boc-5-fluoro-1H-indole-2-boronic acid
    • MDL: MFCD04114581
    • Inchi: 1S/C13H15BFNO4/c1-13(2,3)20-12(17)16-10-5-4-9(15)6-8(10)7-11(16)14(18)19/h4-7,18-19H,1-3H3
    • InChI Key: TZHYEXHDCFQZGG-UHFFFAOYSA-N
    • SMILES: FC1C=CC2=C(C=1)C=C(B(O)O)N2C(=O)OC(C)(C)C

Computed Properties

  • Exact Mass: 279.10800
  • Monoisotopic Mass: 279.108
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 20
  • Rotatable Bond Count: 3
  • Complexity: 374
  • 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: 71.7

Experimental Properties

  • Density: 1.24
  • Melting Point: 130-140
  • Boiling Point: 446.5 ℃ at 760 mmHg
  • Flash Point: 223.8°C
  • Refractive Index: 1.534
  • PSA: 71.69000
  • LogP: 1.24340

1-boc-5-fluoro-1H-indole-2-boronic acid Security Information

  • Hazard Statement: Irritant/Keep Cold
  • Hazardous Material Identification: Xi
  • Storage Condition:Keep cold

1-boc-5-fluoro-1H-indole-2-boronic acid 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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1-boc-5-fluoro-1H-indole-2-boronic acid Production Method

Additional information on 1-boc-5-fluoro-1H-indole-2-boronic acid

Recent Advances in the Application of 1-Boc-5-fluoro-1H-indole-2-boronic acid (CAS: 352359-23-0) in Chemical Biology and Drug Discovery

The compound 1-Boc-5-fluoro-1H-indole-2-boronic acid (CAS: 352359-23-0) has recently gained significant attention in the field of chemical biology and medicinal chemistry due to its versatile applications in Suzuki-Miyaura cross-coupling reactions and as a key building block in the synthesis of biologically active molecules. This research brief highlights the latest developments and applications of this important boronic acid derivative, with a focus on its role in drug discovery and chemical biology research.

Recent studies have demonstrated the effectiveness of 1-Boc-5-fluoro-1H-indole-2-boronic acid in the synthesis of novel indole-based compounds with potential therapeutic applications. The presence of both the boronic acid group and the Boc-protected amine makes this compound particularly valuable for the construction of complex molecular architectures. A 2023 study published in the Journal of Medicinal Chemistry reported its successful use in the synthesis of selective kinase inhibitors, showing promising activity against various cancer cell lines.

In the context of PROTAC (Proteolysis Targeting Chimera) development, 1-Boc-5-fluoro-1H-indole-2-boronic acid has emerged as a crucial intermediate. Researchers at several pharmaceutical companies have incorporated this building block into their PROTAC designs, taking advantage of its favorable physicochemical properties and synthetic versatility. The fluorine substitution at the 5-position has been shown to improve metabolic stability and membrane permeability in resulting compounds.

The compound's application extends beyond small molecule drug discovery. Recent work published in ACS Chemical Biology has demonstrated its utility in the development of chemical probes for studying protein-protein interactions. The boronic acid moiety allows for subsequent functionalization through various conjugation strategies, while the Boc group provides a handle for further modifications under mild conditions.

From a synthetic chemistry perspective, significant progress has been made in optimizing the preparation of 1-Boc-5-fluoro-1H-indole-2-boronic acid. A 2024 publication in Organic Process Research & Development described an improved, scalable synthesis route that addresses previous challenges with yield and purity. This advancement is particularly important as demand for this building block continues to grow in both academic and industrial settings.

In conclusion, 1-Boc-5-fluoro-1H-indole-2-boronic acid (CAS: 352359-23-0) represents a valuable tool in modern drug discovery and chemical biology research. Its unique combination of structural features and synthetic versatility continues to enable the development of novel bioactive compounds and research tools. Future research directions may focus on expanding its applications in targeted protein degradation and the development of covalent inhibitors.

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