Description

4,4′-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,1′-biphenyl (CAS No. 207611-87-8) is a high-purity boronic ester derivative widely used in organic synthesis and materials science. This compound features a biphenyl core symmetrically functionalized with pinacol boronate ester groups, making it an excellent precursor for Suzuki-Miyaura cross-coupling reactions. With the molecular formula C₂₄H₃₂B₂O₄, it offers exceptional stability and reactivity under controlled conditions. Ideal for researchers developing advanced polymers, pharmaceuticals, and optoelectronic materials. Supplied as a crystalline solid with ≥95% purity, ensuring consistent performance in demanding applications. Store under inert conditions to maintain integrity.

Properties

• CAS Number: 207611-87-8
• Complexity: 531
• IUPAC Name: 4,4,5,5-tetramethyl-2-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]phenyl]-1,3,2-dioxaborolane
• InChI: InChI=1S/C24H32B2O4/c1-21(2)22(3,4)28-25(27-21)19-13-9-17(10-14-19)18-11-15-20(16-12-18)26-29-23(5,6)24(7,8)30-26/h9-16H,1-8H3
• InChI Key: INNVTCAYPFZCAL-UHFFFAOYSA-N
• Exact Mass: 406.2486698
• Molecular Formula: C24H32B2O4
• Molecular Weight: 406.1
• SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)C3=CC=C(C=C3)B4OC(C(O4)(C)C)(C)C
• Topological: 36.9
• Monoisotopic Mass: 406.2486698
• Synonyms: 207611-87-8, 4,4′-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,1′-biphenyl, 4,4′-BIPHENYLDIBORONIC ACID DIPINACOL ESTER, 4,4′-BIPHENYLDIBORONIC ACID PINACOL ESTER, 4,4′-BIS(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BIPHENYL, BIPHENYL-4,4′-DIBORONIC ACID BIS(PINACOL) ESTER, 1,3,2-Dioxaborolane, 2,2′-[1,1′-biphenyl]-4,4′-diylbis[4,4,5,5-tetramethyl-, MFCD08669545, 4,4,5,5-tetramethyl-2-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]phenyl]-1,3,2-dioxaborolane, 4,4′-Biphenyldiboronic acid bis(pinacol) ester, SCHEMBL2707320, DTXSID70441269, INNVTCAYPFZCAL-UHFFFAOYSA-N, AKOS016004687, AB45892, AS-2457, CS-W000898, 4,4,5,5-tetramethyl-2-[4′-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1′-biphenyl]-4-yl]-1,3,2-dioxaborolane, SY051365, B4166, 4,4′-Biphenyldiboronic acid bis(pinacol) ester, 97%, [1,1′-BIPHENYL]-4,4′-DIYLDIBORONIC ACID PINACOL ESTER, 4,4′-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan2-yl)biphenyl, 2,2′-([1,1′-Biphenyl]-4,4′-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), 4,4 inverted exclamation mark -Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)biphenyl, 4,4,5,5-Tetramethyl-2-[4′-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)[4-biphenylyl]-1,3,2-dioxaborolane

Application

This compound is primarily employed in Suzuki-Miyaura cross-coupling reactions to construct biaryl structures for pharmaceutical intermediates and conjugated polymers. Its symmetrical diboronate structure enables efficient synthesis of π-extended systems in OLED and OFET materials. Researchers also utilize it to create metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) due to its rigid biphenyl backbone.

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