Description

(R,R)-(-)-2,3-Bis(T-Butylmethylphosphino)Quinoxaline CAS NO 866081-62-1 is a high-value, chiral phosphine ligand used in asymmetric catalysis. Its primary value lies in enabling highly enantioselective transformations, crucial for producing single-isomer pharmaceutical intermediates and fine chemicals. This ligand is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require precise stereochemical control in metal-catalyzed reactions such as hydrogenation and cross-coupling.

Application

• As a chiral ligand for asymmetric hydrogenation of olefins, ketones, and imines.
• Catalyst component in enantioselective cross-coupling reactions (e.g., Suzuki-Miyaura, Heck).
• Key reagent in the synthesis of single-enantiomer active pharmaceutical ingredients (APIs) and intermediates.
• Use in asymmetric synthesis for agrochemicals and specialty chemicals.
• Research and development of novel homogeneous catalysts for academic and industrial applications.
• Production of optically pure compounds for electronics and advanced material science.

Basic Information

Product Name	(R,R)-(-)-2,3-Bis(T-Butylmethylphosphino)Quinoxaline
CAS No.	866081-62-1
Molecular Formula	C22H38N2P2
Molecular Weight	392.50 g/mol
Synonyms	(R,R)-(-)-2,3-Bis(tert-butylmethylphosphino)quinoxaline; (R,R)-QuinoxP*; (R,R)-DTBM-QuinoxP; (R,R)-(-)-DTB-Me-QuinoxP; (R,R)-2,3-Bis[(R)-1-(tert-butyl)ethylphosphino]quinoxaline (related isomer); (R,R)-Bisphosphine Quinoxaline Ligand; Ligand L* (context-specific); (R,R)-(-)-2,3-Bis(tert-butylmethylphosphanyl)quinoxaline
EINECS	Contact for details

Quality Control

Our (R,R)-(-)-2,3-Bis(T-Butylmethylphosphino)Quinoxaline is manufactured under strict quality systems. Each batch undergoes rigorous analytical testing, including chiral HPLC and NMR, to ensure high chemical and enantiomeric purity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific rotation is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to maintain stability and prevent oxidation. Keep the container in a cool, dry, well-ventilated place away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Specific Rotation [α]D20	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.