Cas no 878194-92-4 (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile)

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile is a boronic ester derivative featuring a pyridine core functionalized with a nitrile group and a pinacol boronate moiety. This compound is primarily utilized as a versatile intermediate in cross-coupling reactions, such as Suzuki-Miyaura couplings, due to its stable boronate ester group, which facilitates efficient boron-carbon bond formation. The electron-withdrawing nitrile group enhances reactivity in nucleophilic substitution reactions, making it valuable in pharmaceutical and agrochemical synthesis. Its crystalline solid form ensures ease of handling and storage. The product's high purity and consistent performance make it suitable for applications in medicinal chemistry and material science research.
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile structure
878194-92-4 structure
Product Name:4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile
CAS No:878194-92-4
MF:C12H15BN2O2
MW:230.070702791214
MDL:MFCD09037481
CID:93119
PubChem ID:44755176
Update Time:2025-05-23

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

Names and Identifiers

    • 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinonitrile
    • 3-Cyano-4-pyridineboronic Acid Pinacol Ester
    • 3-Cyanopyridine-4-boronic acid pinacol ester
    • 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile
    • QC-6521
    • 3-Cyanopyridine-4-boronic acid, pinacol ester
    • 3-CYANO-4-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)PYRIDINE
    • 3-Pyridinecarbonitrile, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
    • 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-3-PYRIDINECARBONITRILE
    • 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinecarbonitrile (ACI)
    • MB06850
    • EN300-814004
    • LUDBQHAQFBWGNI-UHFFFAOYSA-N
    • 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-nicotinonitrile
    • 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile
    • MFCD09037481
    • BS-2126
    • DTXSID00660623
    • 878194-92-4
    • SCHEMBL9936199
    • (3-CYANOPYRIDIN-4-YL)BORONIC ACID PINACOL ESTER
    • AKOS015950158
    • CS-0037934
    • SY021539
    • MDL: MFCD09037481
    • Inchi: 1S/C12H15BN2O2/c1-11(2)12(3,4)17-13(16-11)10-5-6-15-8-9(10)7-14/h5-6,8H,1-4H3
    • InChI Key: LUDBQHAQFBWGNI-UHFFFAOYSA-N
    • SMILES: N#CC1C(B2OC(C)(C)C(C)(C)O2)=CC=NC=1

Computed Properties

  • Exact Mass: 230.12300
  • Monoisotopic Mass: 230.123
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 17
  • Rotatable Bond Count: 1
  • Complexity: 332
  • 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: 55.1
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing

Experimental Properties

  • Color/Form: Cream powder
  • Density: 1.1±0.1 g/cm3
  • Melting Point: 97-99℃
  • Boiling Point: 369.6℃ at 760 mmHg
  • Flash Point: 177.3±23.7 °C
  • Refractive Index: 1.506
  • PSA: 55.14000
  • LogP: 1.25248
  • Solubility: Not determined
  • Vapor Pressure: 0.0±0.8 mmHg at 25°C

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Customs Data

  • HS CODE:2933399090
  • Customs Data:

    China Customs Code:

    2933399090

    Overview:

    2933399090. Other compounds with non fused pyridine rings in structure. 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:

    2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Pricemore >>

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4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Sulfuric acid magnesium salt (1:1) Solvents: Toluene ;  overnight, rt
Reference
Synthesis of ortho-cyanopyridylboronic acids and esters toward cyano-functionalized bipyridines
Cailly, Thomas; Fabis, Frederic; Bouillon, Alexandre; Lemaitre, Stephane; Sopkova, Jana; et al, Synlett, 2006, (1), 53-56

Production Method 2

Reaction Conditions
1.1 Reagents: Butyllithium ,  2,2,6,6-Tetramethylpiperidine Solvents: Tetrahydrofuran ,  Hexane ;  rt → -10 °C; 2 min, -10 °C; 10 min, -10 °C; -10 °C → -78 °C
1.2 Reagents: Triisopropyl borate ;  2 min, -78 °C; 5 min, -78 °C
1.3 Solvents: Tetrahydrofuran ;  5 min, -78 °C; overnight, -78 °C → rt
1.4 Reagents: Acetic acid
1.5 2 h, rt
1.6 -
Reference
One-pot synthesis of new aza- and diaza-aminophenanthrenes
Rochais, Christophe; Yougnia, Rodrigue; Cailly, Thomas; Sopkova-de Oliveira Santos, Jana; Rault, Sylvain; et al, Tetrahedron, 2011, 67(32), 5806-5810

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Raw materials

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Preparation Products

4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile Related Literature

Additional information on 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carbonitrile

4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine-3-Carbonitrile: A Comprehensive Overview

4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine-3-Carbonitrile is a highly specialized organic compound with the CAS registry number 878194-92-4. This compound has garnered significant attention in the fields of organic synthesis and materials science due to its unique structural features and potential applications in advanced chemical systems. The molecule combines a pyridine ring with a cyano group and a boron-containing dioxaborolane moiety, making it a versatile building block for various chemical transformations.

The core structure of this compound is centered around the pyridine ring system, which is a six-membered aromatic ring containing one nitrogen atom. The presence of the cyano group (-CN) at the 3-position of the pyridine ring introduces electron-withdrawing effects, enhancing the reactivity of the molecule in certain chemical reactions. The dioxaborolane moiety attached at the 4-position of the pyridine ring is particularly interesting due to its boron-based structure. This moiety is known for its ability to participate in various boron-centered reactions, such as Suzuki-Miyaura coupling reactions and other cross-coupling processes.

Recent studies have highlighted the importance of dioxaborolane-containing compounds in modern organic synthesis. These compounds are often used as precursors for generating highly reactive intermediates or as templates for constructing complex molecular architectures. The tetramethyl substitution pattern on the dioxaborolane ring in this compound further stabilizes its structure and enhances its compatibility with a wide range of reaction conditions.

One of the most notable applications of 4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine-3-Carbonitrile is in the field of medicinal chemistry. The compound's ability to act as a bioisostere or a pharmacophore mimic makes it an invaluable tool for drug discovery efforts. Researchers have explored its potential in designing novel therapeutic agents targeting various disease states, including cancer and neurodegenerative disorders.

In addition to its medicinal applications, this compound has also found utility in materials science. Its unique electronic properties make it a candidate for use in organic electronics and optoelectronic devices. For instance, derivatives of this compound have been investigated for their potential as semiconducting materials in thin-film transistors and light-emitting diodes (LEDs).

The synthesis of CAS No 878194-92-4 involves a multi-step process that typically begins with the preparation of the dioxaborolane precursor followed by its coupling with the pyridine derivative. Recent advancements in catalytic methods have enabled more efficient and selective syntheses of this compound, reducing production costs and improving scalability.

From an environmental standpoint, researchers have also examined the biodegradation pathways of this compound to assess its environmental impact. Studies suggest that under specific conditions, the compound undergoes microbial degradation through oxidative pathways, minimizing its persistence in natural ecosystems.

In conclusion,4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine-3-Carbonitrile (CAS No 878194-92-4) stands out as a versatile and valuable compound with diverse applications across multiple disciplines. Its unique structural features and reactivity make it an essential component in contemporary chemical research and development.

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