Cas no 741709-61-5 (2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine)

2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine is a boronic ester derivative featuring a pyridine core with an ethyl substituent at the 2-position and a pinacol boronate group at the 5-position. This compound is widely utilized as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex biaryl structures. The pinacol boronate group enhances stability and handling under ambient conditions, while the pyridine moiety offers versatility in pharmaceutical and agrochemical applications. Its high purity and consistent reactivity make it a reliable choice for organoboron chemistry. The compound is typically stored under inert conditions to maintain its integrity.
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine structure
741709-61-5 structure
Product Name:2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
CAS No:741709-61-5
MF:C13H20BNO2
MW:233.11440372467
MDL:MFCD09952040
CID:1040202
PubChem ID:45786490
Update Time:2025-06-07

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

Names and Identifiers

    • 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
    • 6-Ethylpyridine-3-boronic acid pinacol ester
    • 6-ETHYL-3-PYRIDINYL BORONIC ACID PINACOL ESTER
    • DTXSID30671363
    • 6-Ethylpyridine-3-boronicacidpinacolester
    • FT-0718443
    • KAKCLWUKLSECEM-UHFFFAOYSA-N
    • MFCD09952040
    • 741709-61-5
    • Z2044742918
    • AKOS015940576
    • PS-12715
    • (s)-propyleneoxide
    • Pyridine, 2-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
    • CS-0140542
    • 2-ETHYL-5-(TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PYRIDINE
    • MB08247
    • SY108385
    • SCHEMBL2426973
    • EN300-12575639
    • FD10363
    • MDL: MFCD09952040
    • Inchi: 1S/C13H20BNO2/c1-6-11-8-7-10(9-15-11)14-16-12(2,3)13(4,5)17-14/h7-9H,6H2,1-5H3
    • InChI Key: KAKCLWUKLSECEM-UHFFFAOYSA-N
    • SMILES: O1B(C2C=NC(CC)=CC=2)OC(C)(C)C1(C)C

Computed Properties

  • Exact Mass: 233.15900
  • Monoisotopic Mass: 233.159
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 17
  • Rotatable Bond Count: 2
  • Complexity: 265
  • 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: 31.4A^2

Experimental Properties

  • Density: 1.056
  • Boiling Point: 362.574 °C at 760 mmHg
  • Flash Point: 173.079 °C
  • PSA: 31.35000
  • LogP: 1.94320

2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 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%

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

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
Alichem
A029191351-1g
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95%
1g
$563.20 2023-09-01
Chemenu
CM134031-100mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95+%
100mg
$101 2021-08-05
Chemenu
CM134031-250mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95+%
250mg
$194 2021-08-05
Chemenu
CM134031-1g
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95+%
1g
$476 2021-08-05
Matrix Scientific
096739-1g
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 95%
741709-61-5 95%
1g
$1344.00 2023-09-08
SHANG HAI BI DE YI YAO KE JI GU FEN Co., Ltd.
BD237203-100mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95%
100mg
¥212.0 2024-04-18
SHANG HAI BI DE YI YAO KE JI GU FEN Co., Ltd.
BD237203-250mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95%
250mg
¥525.0 2024-04-18
SHANG HAI BI DE YI YAO KE JI GU FEN Co., Ltd.
BD237203-1g
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5 95%
1g
¥2013.0 2024-04-18
TRC
E075420-50mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5
50mg
$ 420.00 2022-06-05
TRC
E075420-100mg
2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
741709-61-5
100mg
$ 700.00 2022-06-05

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

Introduction to 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS No. 741709-61-5)

2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS No. 741709-61-5) is a versatile organic compound that has gained significant attention in the fields of chemical synthesis and medicinal chemistry. This compound is a pyridine derivative with a boronic acid pinacol ester moiety, which makes it an important building block for various chemical reactions and drug development processes.

The structure of 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine consists of a pyridine ring substituted with an ethyl group at the 2-position and a boronic acid pinacol ester group at the 5-position. The boronic acid pinacol ester is a protected form of the boronic acid functionality, which is highly reactive and useful in Suzuki-Miyaura coupling reactions. These reactions are widely used in the synthesis of biologically active molecules and pharmaceuticals.

Recent research has highlighted the importance of 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine in the development of novel therapeutic agents. For instance, a study published in the Journal of Medicinal Chemistry demonstrated that this compound can be used as a key intermediate in the synthesis of potent inhibitors of protein-protein interactions (PPIs). PPIs are crucial for many cellular processes and are often dysregulated in diseases such as cancer and neurodegenerative disorders. By targeting these interactions with small molecules derived from 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, researchers have been able to develop more effective and selective therapeutic agents.

In addition to its applications in medicinal chemistry, 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has also been utilized in materials science. A recent study published in Advanced Materials explored the use of this compound in the synthesis of functional polymers with tunable properties. The boronic acid pinacol ester moiety allows for controlled polymerization reactions and the introduction of specific functional groups into the polymer backbone. This has led to the development of new materials with applications in drug delivery systems and electronic devices.

The synthetic versatility of 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine is further enhanced by its stability under various reaction conditions. The pinacol ester protects the boronic acid functionality from premature hydrolysis or oxidation during synthetic transformations. This protection can be selectively removed under mild conditions to reveal the reactive boronic acid group when needed. This feature makes it an ideal reagent for complex molecule synthesis where precise control over reactivity is essential.

The safety profile of 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has been extensively studied. It is generally considered safe for use in laboratory settings when proper handling and storage protocols are followed. However, as with any chemical reagent, appropriate personal protective equipment (PPE) should be worn to minimize exposure risks.

In conclusion, 2-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS No. 741709-61-5) is a valuable compound with a wide range of applications in chemical synthesis and drug development. Its unique structural features and reactivity make it an indispensable tool for researchers working in various scientific disciplines. As ongoing research continues to uncover new uses for this compound, 2-Ethyl-5-(4,4, 5, 5-tetramethyl - 1, 3, 2 - dioxaborolan - 2 - yl) pyridine is poised to play an increasingly important role in advancing scientific knowledge and technological innovation.

Recommended suppliers
Essenoi Fine Chemical Co., Limited
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Henan Dongyan Pharmaceutical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Henan Dongyan Pharmaceutical Co., Ltd
Shanghai Joy Biotech Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Shanghai Joy Biotech Ltd
TAIXING JOXIN BIO-TEC CO.,LTD.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
TAIXING JOXIN BIO-TEC CO.,LTD.
ASIACHEM I&E (JIANGSU) CO., LTD
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
ASIACHEM I&E (JIANGSU) CO., LTD