Description

(1R,2R)-(-)-1,2-Bis(Diphenylphosphinomethyl)Cyclohexane CAS NO 70774-28-6 is a high-purity, chiral bisphosphine ligand widely recognized for its exceptional stereoselectivity in asymmetric catalysis. Its primary value lies in enabling the synthesis of enantiomerically pure intermediates and active pharmaceutical ingredients (APIs) with high efficiency and yield. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries who require reliable, high-performance chiral auxiliaries for complex synthetic transformations.

Application

• As a chiral ligand in asymmetric hydrogenation reactions for pharmaceutical intermediate synthesis.
• Catalyst component in enantioselective C-C and C-X bond-forming reactions.
• Key reagent for the production of chiral active pharmaceutical ingredients (APIs) and agrochemicals.
• Use in academic and industrial R&D for developing novel catalytic asymmetric processes.
• Component in catalyst systems for the synthesis of specialty and performance chemicals.
• Tool for studying structure-activity relationships in homogeneous catalysis.

Basic Information

Product Name	(1R,2R)-(-)-1,2-Bis(Diphenylphosphinomethyl)Cyclohexane
CAS No.	70774-28-6
Molecular Formula	C32H34P2
Molecular Weight	480.56 g/mol
Synonyms	(1R,2R)-(-)-1,2-Bis(diphenylphosphinomethyl)cyclohexane; (R,R)-DIPAMP-Cyclohexane; (R,R)-CyclohexaneDIOP; (1R,2R)-BDPC; (R,R)-BDPCH; (-)-1,2-Bis(diphenylphosphinomethyl)cyclohexane; (R,R)-1,2-Bis(diphenylphosphinomethyl)cyclohexane; ChiraPhos Cy
EINECS	Contact for details

Quality Control

Our (1R,2R)-(-)-1,2-Bis(Diphenylphosphinomethyl)Cyclohexane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC and 31P NMR, to ensure compliance with exacting standards for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
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.