Description

(S)-(-)-Diphenylphosphino-2"-Hydroxy-1,1"-Binaphthyl is a highly valuable chiral ligand and catalyst precursor in asymmetric synthesis. Its importance lies in its ability to induce high enantioselectivity in a variety of transition-metal-catalyzed reactions, enabling the production of single-enantiomer compounds. This product is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical industries that require precise stereochemical control.

Application

• As a chiral ligand for asymmetric hydrogenation reactions.
• As a catalyst precursor in enantioselective cross-coupling reactions.
• Utilized in the synthesis of chiral pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Applied in the development of novel agrochemicals with specific stereochemistry.
• Used in academic and industrial research for method development in asymmetric catalysis.
• Employed in the synthesis of specialty fine chemicals and advanced materials.

Basic Information

Product Name	(S)-(-)-Diphenylphosphino-2"-Hydroxy-1,1"-Binaphthyl
CAS No.	144868-15-5
Molecular Formula	C32H23O2P
Molecular Weight	470.49 g/mol
Synonyms	(S)-(-)-2"-Hydroxy-1,1"-binaphthyl-2-yl-diphenylphosphine; (S)-(-)-2"-Hydroxy-2-diphenylphosphino-1,1"-binaphthyl; (S)-(-)-2-Diphenylphosphino-2"-hydroxy-1,1"-binaphthyl; (S)-(-)-2-(Diphenylphosphino)-2"-hydroxy-1,1"-binaphthyl; (S)-(-)-2-(Diphenylphosphino)-2"-hydroxy-1,1"-binaphthalene; (S)-HOBIPHOS; (S)-HOBIP; (S)-(-)-HOBIPHOS
EINECS	Contact for details

Quality Control

Our (S)-(-)-Diphenylphosphino-2"-Hydroxy-1,1"-Binaphthyl is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and other critical parameters is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 15-25°C. This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.