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Atomfair 2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane C7H15BO3 CAS 1195-66-0

2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS No. 1195-66-0) is a highly versatile boronic ester derivative widely used in organic synthesis and pharmaceutical research. With the molecular formula C7H15BO3, this compound serves as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in complex molecular architectures. Its pinacol ester structure enhances stability while maintaining reactivity, making it ideal for controlled functionalization in sensitive synthetic pathways. This product is supplied as a high-purity (96%) liquid, ensuring consistent performance in catalytic applications, ligand synthesis, and material science research. Its methoxy group provides a reactive handle for further modifications, while the tetramethyl substitution pattern…

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Description

2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS No. 1195-66-0) is a highly versatile boronic ester derivative widely used in organic synthesis and pharmaceutical research. With the molecular formula C7H15BO3, this compound serves as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in complex molecular architectures. Its pinacol ester structure enhances stability while maintaining reactivity, making it ideal for controlled functionalization in sensitive synthetic pathways.

This product is supplied as a high-purity (96%) liquid, ensuring consistent performance in catalytic applications, ligand synthesis, and material science research. Its methoxy group provides a reactive handle for further modifications, while the tetramethyl substitution pattern minimizes steric hindrance. Store under inert conditions to preserve integrity.

Properties

  • CAS Number: 1195-66-0
  • Complexity: 140
  • IUPAC Name: 2-methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • InChI: InChI=1S/C7H15BO3/c1-6(2)7(3,4)11-8(9-5)10-6/h1-5H3
  • InChI Key: JZZJAWSMSXCSIB-UHFFFAOYSA-N
  • Exact Mass: 158.1114245
  • Molecular Formula: C7H15BO3
  • Molecular Weight: 158.01
  • SMILES: B1(OC(C(O1)(C)C)(C)C)OC
  • Topological: 27.7
  • Monoisotopic Mass: 158.1114245
  • Synonyms: 1195-66-0, 2-methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, DTXSID00450364, DTXCID50401184, 601-623-6, Methoxyboronic acid pinacol ester, 1,3,2-Dioxaborolane, 2-methoxy-4,4,5,5-tetramethyl-, MFCD03093086, methoxyboronic acid, pinacol ester, SCHEMBL510041, C7H15BO3, JZZJAWSMSXCSIB-UHFFFAOYSA-N, methoxy boronic acid pinacol ester, SBB058568, AKOS015850880, CS-W020633, SY026106, M1714, METHYL DIHYDROGEN BORATE PINACOL ESTER, ST50824663, I10632, A804317, 2-methoxy-4,4,5,5-tetramethyl[1,3,2]dioxaborolane, 2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 96%

2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is primarily employed in palladium-catalyzed cross-coupling reactions to construct biaryl scaffolds for pharmaceuticals and agrochemicals. It acts as a protected boronic acid equivalent in multistep syntheses, particularly where free boronic acids may decompose. Researchers also utilize it to introduce methoxyboron moieties into polymers and advanced materials.

Safety and Hazards

GHS Hazard Statements

  • H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
  • H319 (87.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P264+P265, P280, P303+P361+P353, P305+P351+P338, P337+P317, P370+P378, P403+P235, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (100%)
  • Eye Irrit. 2A (87.2%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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