3,4-Difluorophenylboronic acid, CAS No. 168267-41-2

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168267-41-2

Catalog No. EBD435494

CAS 168267-41-2

Name 3,4-Difluorophenylboronic acid

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Basic Information

Synonyms: akosbrn-0090 3,4-fluorobenzeneboronicacid 3,4-difluorophenylbornicacid 3,4-difluorobenzeneboronicacid rarechemahpb0169 3.4-difloromethylboronicacid 3,4-difluorophenylboricacid 3,4-Difluorophenylboronicacid 2,4,5,6-tetrafluorobenzene-1,3-diol 3,4-difkuorophenylboronicacid boronicacid,(3,4-difluorophenyl)-(9ci)

Molecular Formula: C6H5BF2O2

Molecular Weight: 157.91

MDL Number: MFCD00807405

Categories: Synthetic Chemistry > Organic Building Blocks > Boronic Acids and Boronic Esters Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors

Product Description:

3,4-Difluorophenylboronic acid is an organoboron compound characterized by a phenyl ring substituted with two fluorine atoms at the 3- and 4- positions and a boronic acid functional group. It is a white to off-white crystalline powder and serves as a versatile synthetic building block. Its primary application is in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. The boronic acid group readily participates in palladium-catalyzed coupling with aryl or vinyl halides, enabling the efficient construction of biaryl and other conjugated systems. This makes it a crucial intermediate in the synthesis of various advanced materials and pharmaceuticals. A significant and specific application of 3,4-difluorophenylboronic acid is in the development of organic electronic materials. It is used as a key precursor for synthesizing monomers and polymers for organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other semiconductor devices. The difluorophenyl moiety is often incorporated to modify the electronic properties, thermal stability, and charge transport characteristics of the final materials.

Physical Properties

Melting Point: 305-310 °C(lit.)

Boiling Point: 265.4 °C at 760 mmHg

Flash Point: 114.3 °C

Density: 1.35 g/cm3

Storage: Refrigerator (+4°C)

Analytical Data

Appearance: white powder