High Quality 3,5-Difluorophenylboronic Acid (CAS 156545-07-2) - Best Price & Purity
Índice
1. Visão geral do produto
3,5-Difluorophenylboronic Acid (CAS 156545-07-2) is a high-purity boronic acid derivative widely used in organic synthesis and pharmaceutical research. Key specifications include:
- Nome químico: 3,5-Difluorophenylboronic Acid
- Número CAS: 156545-07-2
- Fórmula molecular: C6H5BF2O2
- Peso molecular: 157.91 g/mol
- Aparência: Pó cristalino branco a esbranquiçado
- Pureza: ≥98% (HPLC)
- Armazenamento: 2-8°C num recipiente seco e hermético
2. Applications of 3,5-Difluorophenylboronic Acid
This compound is a critical reagent in:
- Suzuki-Miyaura cross-coupling reactions for C-C bond formation
- Synthesis of fluorinated pharmaceutical intermediates
- Development of agrochemicals and advanced materials
- Preparation of bioactive molecules in drug discovery
3. Diretrizes de utilização
Recomendações de manuseamento:
- Use under inert atmosphere (N2 or Ar) for moisture-sensitive reactions
- Dissolve in polar aprotic solvents (e.g., THF, DMF) for optimal reactivity
- Typical molar ratio: 1.0-1.2 equivalents relative to coupling partners
- Monitorizar o progresso da reação através de TLC ou HPLC
Precauções de segurança: Wear PPE (gloves, goggles) and avoid inhalation. In case of contact, rinse thoroughly with water.
4. Estudos de caso
Case 1: Synthesis of Fluorinated Biaryl Compounds
In a Suzuki coupling reaction:
- Reacted 3,5-Difluorophenylboronic Acid (1.1 eq) with 4-bromotoluene
- Catalyst: Pd(PPh3)4 (2 mol%)
- Base: K2CO3 (3 eq) in DMF/H2O (3:1)
- Yield: 89% after 12h at 80°C
Caso 2: Preparação de produtos farmacêuticos intermédios
Used in the synthesis of a tyrosine kinase inhibitor precursor:
- Reaction scale: 500g
- Purity of final intermediate: 99.2% (by NMR)
- Key advantage: Enhanced electron-withdrawing effect from fluorine substituents
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