The quest for efficient and selective synthesis of chiral molecules is a driving force in chemical innovation, particularly within the pharmaceutical and fine chemical sectors. (R)-(+)-1,1'-Bi-2-naphthol, widely known as (R)-BINOL and bearing the CAS number 18531-94-7, is a pivotal chiral auxiliary and ligand precursor that plays a central role in achieving this selectivity. As a dedicated supplier of high-quality chemical intermediates, we aim to provide a detailed overview of this essential compound.

(R)-BINOL is characterized by its distinctive structure, consisting of two 2-naphthol units linked by a single bond, with restricted rotation leading to stable axial chirality. Typically presenting as a white to pale yellow crystalline powder, its high enantiomeric purity (≥99%) is its most defining feature. This purity is critical for its application in asymmetric synthesis, where it acts as a scaffold for creating highly selective catalysts. The molecule's solubility profile—generally soluble in organic solvents like THF and dioxane, but insoluble in water—is also an important consideration for its use in various reaction media.

The synthesis of (R)-BINOL often involves the resolution of racemic BINOL, or direct asymmetric coupling methods starting from 2-naphthol. While several synthetic routes exist, the emphasis for industrial applications remains on achieving high yields and exceptional enantiomeric purity cost-effectively. As a manufacturer committed to quality, we ensure our (R)-BINOL meets these demanding criteria, making it a reliable choice for purchase by research institutions and industrial partners.

The industrial relevance of (R)-BINOL is profound, primarily stemming from its use in catalysis. It serves as the foundational component for a vast array of chiral Lewis acids and Brønsted acids, as well as a precursor to sophisticated chiral phosphine ligands widely employed in homogeneous catalysis. These BINOL-derived catalysts are instrumental in asymmetric hydrogenation, asymmetric epoxidation, asymmetric oxidation, and various C-C bond-forming reactions, enabling the efficient production of enantiomerically pure compounds that are vital for pharmaceuticals, agrochemicals, and fragrances. For professionals seeking to buy (R)-BINOL, understanding these applications highlights its indispensable role in modern chemical manufacturing.

We are a prominent supplier in China, offering competitively priced (R)-BINOL to meet global demand. Whether you are conducting cutting-edge research or scaling up production, our high-purity (R)-BINOL (CAS 18531-94-7) provides the essential chiral framework needed for success. Contact us to learn more about our product specifications, pricing, and to secure your supply from a trusted source.