Description

(S,S)-Dipamp is a highly valuable chiral bisphosphine ligand, widely recognized for its pivotal role in asymmetric hydrogenation and other transition metal-catalyzed reactions. Its significance lies in its ability to induce exceptionally high enantioselectivity, enabling the production of single-enantiomer intermediates crucial for pharmaceuticals and fine chemicals. This product is essential for R&D scientists and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-performance ligands for chiral synthesis.

Application

• As a chiral ligand for asymmetric hydrogenation of dehydroamino acids, enamides, and ketones.
• Catalyst component in the synthesis of enantiomerically pure pharmaceutical intermediates, such as L-DOPA precursors.
• Use in academic and industrial research for developing novel asymmetric catalytic processes.
• Key reagent for the preparation of high-value chiral compounds in fine chemical and agrochemical manufacturing.
• Employed in the synthesis of chiral ligands and catalysts for further application exploration.

Basic Information

Product Name	(S,S)-Dipamp
CAS No.	97858-62-3
Molecular Formula	C34H32P2
Molecular Weight	502.56 g/mol
Synonyms	(S,S)-1,2-Bis[(2-methoxyphenyl)phenylphosphino]ethane; (S,S)-Bis[(2-methoxyphenyl)phenylphosphino]ethane; (S,S)-DIPAMP; (-)-DIPAMP; (S,S)-(-)-DIPAMP; (S,S)-1,2-Ethanediylbis[(2-methoxyphenyl)phenylphosphine]; (S,S)-Ethylenebis[(2-methoxyphenyl)phenylphosphine]
EINECS	Contact for details

Quality Control

Our (S,S)-Dipamp is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as chiral purity, chemical purity, and identity confirmation. We adhere to relevant industry standards to support our customers in pharmaceutical development and other critical applications.

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 room temperature (15-25°C). This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and efficacy.

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
Loss on Drying	≤ 0.5%

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