Description

(Dhqd)2Phal is a specialized chiral ligand widely utilized in asymmetric synthesis. This compound matters for its critical role in facilitating highly enantioselective catalytic reactions, enabling the production of single-isomer intermediates essential for advanced pharmaceuticals and fine chemicals. Industries that need it include pharmaceutical R&D, agrochemical manufacturing, and academic research laboratories focused on developing novel synthetic methodologies.

Application

• As a key ligand in asymmetric hydrogenation reactions for pharmaceutical intermediates.
• For enantioselective carbon-carbon bond formation in fine chemical synthesis.
• In catalytic systems for the production of chiral alcohols and amines.
• As a research chemical in method development for new asymmetric transformations.
• For scale-up processes in the manufacture of active pharmaceutical ingredients (APIs).
• In academic and industrial catalysis research to study ligand-metal interactions.

Basic Information

Product Name	(Dhqd)2Phal
CAS No.	140853-10-7
Molecular Formula	C42H48N4O4
Molecular Weight	672.86 g/mol
Synonyms	1,4-Bis(9-O-dihydroquinidinyl)phthalazine; (DHQD)2PHAL; Bis(dihydroquinidine)phthalazine; Dihydroquinidine Phthalazine Dimer; (DHQD)2-PHAL Ligand; (8S,9R)-5',6',7',8',9',10'-Hexahydro-6'-methoxycinchonan-9-ol 1,4-phthalazinediyl diether; Asymmetric Dihydroquinidine Ligand
EINECS	Contact for details

Quality Control

Our (Dhqd)2Phal is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for catalytic applications. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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