Cas no 245043-33-8 (4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane)

4,4,5,5-Tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane is a deuterated boronic ester derivative widely used as a versatile building block in organic synthesis and pharmaceutical research. Its key structural features include a stable dioxaborolane ring with four methyl groups enhancing steric protection, along with a pentadeuterated phenyl group that facilitates isotopic labeling studies. This compound is particularly valuable in Suzuki-Miyaura cross-coupling reactions due to its improved hydrolytic stability compared to non-cyclic boronic acids. The deuterium incorporation makes it useful for mechanistic studies, metabolic research, and NMR spectroscopy applications where isotope effects are investigated. The rigid cyclic structure also contributes to enhanced shelf stability and reduced protodeboronation side reactions. Its high purity and well-defined deuteration pattern make it especially suitable for precision synthetic applications in medicinal chemistry and materials science.
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane structure
245043-33-8 structure
Product Name:4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
CAS No:245043-33-8
MF:C12H17BO2
MW:209.10399222374
CID:5446420
PubChem ID:89868464
Update Time:2026-03-10

4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane Chemical and Physical Properties

Names and Identifiers

    • 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
    • PS-19044
    • F89512
    • 245043-33-8
    • 4,4,5,5-TETRAMETHYL-2-(PHENYL-D5)-1,3,2-DIOXABOROLANE
    • 2-(2H5)Phenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    • SCHEMBL15342770
    • Inchi: 1S/C12H17BO2/c1-11(2)12(3,4)15-13(14-11)10-8-6-5-7-9-10/h5-9H,1-4H3/i5D,6D,7D,8D,9D
    • InChI Key: KKLCYBZPQDOFQK-CFEWMVNUSA-N
    • SMILES: O1B(C2C([2H])=C([2H])C([2H])=C([2H])C=2[2H])OC(C)(C)C1(C)C

Computed Properties

  • Exact Mass: 209.1635437g/mol
  • Monoisotopic Mass: 209.1635437g/mol
  • Isotope Atom Count: 5
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 15
  • Rotatable Bond Count: 1
  • Complexity: 216
  • 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: 18.5?2

4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
eNovation Chemicals LLC
Y1231243-1G
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
1g
$825 2024-07-21
NAN JING YAO SHI KE JI GU FEN Co., Ltd.
PBU9628-100mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
100mg
¥1320.0 2024-04-21
NAN JING YAO SHI KE JI GU FEN Co., Ltd.
PBU9628-250mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
250mg
¥1762.0 2024-04-21
NAN JING YAO SHI KE JI GU FEN Co., Ltd.
PBU9628-500mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
500mg
¥2937.0 2024-04-21
NAN JING YAO SHI KE JI GU FEN Co., Ltd.
PBU9628-1g
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
1g
¥4402.0 2024-04-21
Key Organics Ltd
PS-19044-1g
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 >95%
1g
£1115.00 2025-02-09
eNovation Chemicals LLC
Y1231243-100mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
100mg
$255 2024-07-21
eNovation Chemicals LLC
Y1231243-250mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
250mg
$330 2024-07-21
eNovation Chemicals LLC
Y1231243-500mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
500mg
$550 2024-07-21
eNovation Chemicals LLC
Y1231243-100mg
4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane
245043-33-8 97%
100mg
$255 2025-02-26

4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane Production Method

Production Method 1

Reaction Conditions
1.1 Catalysts: Stereoisomer of bis[2,6-bis[[bis(1-methylethyl)phosphino-κP]oxy]-3,5-bis(1,1-dim… ;  14 h, 80 °C
Reference
High-Turnover Aromatic C-H Borylation Catalyzed by POCOP-Type Pincer Complexes of Iridium
Press, Loren P.; et al, Journal of the American Chemical Society, 2016, 138(30), 9487-9497

4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane Raw materials

4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane Preparation Products

Additional information on 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane

Comprehensive Analysis of 4,4,5,5-Tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane (CAS No. 245043-33-8)

4,4,5,5-Tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane (CAS No. 245043-33-8) is a deuterated boronic ester compound widely used in organic synthesis, pharmaceutical research, and material science. Its unique structure, featuring a pentadeuteriophenyl group and a dioxaborolane ring, makes it a valuable tool for isotopic labeling and Suzuki-Miyaura cross-coupling reactions. This article explores its properties, applications, and relevance in modern scientific research.

The growing demand for deuterated compounds in drug development has placed 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane at the forefront of innovation. Researchers are increasingly leveraging its stability and isotopic purity to study metabolic pathways, improve NMR spectroscopy, and enhance the pharmacokinetic profiles of therapeutic agents. Its CAS No. 245043-33-8 is frequently cited in patents and academic papers, reflecting its importance in cutting-edge chemistry.

One of the most searched questions about this compound is: "How does deuterium labeling affect reaction kinetics?" Studies show that the pentadeuteriophenyl moiety in 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane can significantly alter reaction rates due to the kinetic isotope effect (KIE). This property is exploited in mechanistic studies and the design of deuterated drugs, a trending topic in medicinal chemistry.

Another hot topic is the role of boronic esters in sustainable chemistry. The dioxaborolane ring in this compound enables efficient cross-coupling reactions with minimal waste, aligning with green chemistry principles. Researchers are exploring its use in catalytic systems and polymer synthesis, addressing the demand for eco-friendly industrial processes.

From a technical perspective, the synthesis of CAS No. 245043-33-8 involves precise deuterium incorporation techniques, often using palladium-catalyzed pathways. Its high isotopic purity (>98% D) ensures reliability in applications such as mass spectrometry and isotopic tracing. The compound’s stability under ambient conditions further enhances its practicality in laboratory settings.

In the pharmaceutical industry, 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane is pivotal for developing deuterated analogs of existing drugs. This approach, known as "deuterium switching," can improve drug half-life and reduce side effects. Recent FDA approvals of deuterated drugs have spurred interest in this field, making CAS No. 245043-33-8 a key building block for next-generation therapeutics.

For researchers seeking alternatives to traditional reagents, this compound offers advantages such as compatibility with air-sensitive reactions and functional group tolerance. Its tetramethyl-substituted dioxaborolane core provides steric protection, minimizing unwanted side reactions. These attributes are frequently highlighted in forums discussing "optimizing boron-based reagents for complex syntheses."

Looking ahead, advancements in deuteration techniques and boron chemistry are expected to expand the applications of 4,4,5,5-tetramethyl-2-(2,3,4,5,6-pentadeuteriophenyl)-1,3,2-dioxaborolane. Its integration into automated synthesis platforms and high-throughput screening aligns with the industry’s shift toward precision and efficiency. As the scientific community continues to explore its potential, CAS No. 245043-33-8 remains a cornerstone of innovative research.

Recommended suppliers
Zhangzhou Sinobioway Peptide Co.,Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Zhangzhou Sinobioway Peptide Co.,Ltd.
Shenzhen Jianxing Pharmaceutical Technology Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Shenzhen Jianxing Pharmaceutical Technology Co., Ltd.
Beyond Pharmaceutical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Hunan Well Medicine Synthesis Technology Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Hunan Well Medicine Synthesis Technology Co., Ltd.
Jiangsu Kolod Food Ingredients Co.,ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Jiangsu Kolod Food Ingredients Co.,ltd