In the intricate world of pharmaceutical synthesis, the availability of reliable and high-quality chemical intermediates is fundamental to drug discovery and development. One such crucial compound is 9,9-Diphenyl-9H-fluoren-2-ylboronic Acid Pinacol Ester (CAS: 462128-39-8). This article aims to provide an overview of its properties, applications, and guides potential buyers on sourcing this important intermediate from reputable manufacturers and suppliers, with a focus on options available in China.

Chemical Profile and Properties

9,9-Diphenyl-9H-fluoren-2-ylboronic Acid Pinacol Ester is characterized by its complex organic structure, featuring a fluorene core substituted with two phenyl groups at the 9-position and a boronic acid pinacol ester at the 2-position. Key physical and chemical properties, as typically provided by manufacturers, include:

  • Molecular Formula: C31H29BO2
  • Molecular Weight: 444.37 g/mol
  • Appearance: Typically an off-white powder.
  • Purity: Usually specified as 97% minimum, crucial for pharmaceutical applications.
  • Melting Point: Often reported in the range of 198.0-202.0 °C.

These specifications highlight its nature as a stable, solid organic compound, suitable for standard laboratory handling and synthetic procedures. The boronic ester functionality makes it particularly useful in cross-coupling reactions, such as the Suzuki-Miyaura coupling, a cornerstone of modern organic synthesis for creating carbon-carbon bonds.

Applications in Pharmaceutical Research

As a pharmaceutical intermediate, 9,9-Diphenyl-9H-fluoren-2-ylboronic Acid Pinacol Ester serves as a versatile building block for synthesizing a wide range of biologically active molecules. Its complex aromatic structure can be integrated into drug candidates targeting various therapeutic areas. Researchers often utilize this compound to introduce specific steric and electronic properties into potential drug molecules, aiding in the optimization of pharmacokinetic and pharmacodynamic profiles. The ability to reliably buy this intermediate in high purity is essential for reproducible research outcomes and efficient scale-up for clinical trials.

Sourcing Strategies and Considerations

When looking to purchase 9,9-Diphenyl-9H-fluoren-2-ylboronic Acid Pinacol Ester, B2B buyers should focus on identifying trustworthy manufacturers and suppliers. China is a significant source for such specialized chemicals, offering competitive prices and substantial manufacturing capacity. Key considerations for sourcing include:

  • Supplier Reputation: Look for established companies with a history of quality and reliability.
  • Product Documentation: Ensure availability of Certificates of Analysis (CoA), safety data sheets (SDS), and other relevant technical information.
  • Sampling and Testing: Requesting samples for in-house quality assessment is a prudent step before placing bulk orders.
  • Price Quotations: Obtain detailed quotes to compare costs and payment terms.

In summary, 9,9-Diphenyl-9H-fluoren-2-ylboronic Acid Pinacol Ester is a critical intermediate for pharmaceutical development. By engaging with reputable suppliers and manufacturers, especially those in China, researchers can ensure access to high-quality materials at competitive prices, thereby facilitating efficient and successful drug discovery efforts.