Description

(3As,8As)-(+)-4,4,8,8-Tetrakis(3,5-Dimethylphenyl)Tetrahydro-2,2-Dimethyl-6-Phenyl-1,3-Dioxolo[4,5-E]Dioxaphosphepin is a sophisticated chiral organophosphorus compound, serving as a high-performance ligand or catalyst precursor in asymmetric synthesis. Its value lies in enabling precise stereochemical control, which is critical for producing enantiomerically pure intermediates in pharmaceutical and advanced material research. This product is essential for R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries who require reliable, high-purity building blocks for complex synthetic routes.

Application

• As a chiral ligand in transition metal-catalyzed asymmetric reactions, such as hydrogenation, hydroformylation, and cross-coupling.
• For the synthesis of enantiomerically pure pharmaceutical intermediates, including active pharmaceutical ingredients (APIs).
• In academic and industrial research focused on developing novel catalytic systems and methodologies.
• As a key component in the preparation of specialty chemicals and advanced organic materials.
• Potential use in the development of agrochemicals and flavors/fragrances requiring specific stereochemistry.

Basic Information

Product Name	(3As,8As)-(+)-4,4,8,8-Tetrakis(3,5-Dimethylphenyl)Tetrahydro-2,2-Dimethyl-6-Phenyl-1,3-Dioxolo[4,5-E]Dioxaphosphepin
CAS No.	1169835-86-2
Molecular Formula	C49H55O4P
Molecular Weight	739.0 g/mol (approx.)
Synonyms	(+)-Tetrahydro-2,2-dimethyl-6-phenyl-4,4,8,8-tetrakis(3,5-dimethylphenyl)-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin; (3As,8As)-(+)-4,4,8,8-Tetrakis(3,5-dimethylphenyl)-2,2-dimethyl-6-phenyltetrahydro-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin; Chiral Dioxaphosphepin Ligand; P-Phos type ligand derivative
EINECS	Contact for details

Quality Control

Every batch of our (3As,8As)-(+)-4,4,8,8-Tetrakis(3,5-Dimethylphenyl)Tetrahydro-2,2-Dimethyl-6-Phenyl-1,3-Dioxolo[4,5-E]Dioxaphosphepin is produced and tested under strict quality management systems. We ensure high chiral purity and chemical integrity through advanced analytical techniques, including chiral HPLC and NMR spectroscopy. Certificates of Analysis (COA) with detailed specifications for identity, purity, and enantiomeric excess are available upon request to support your quality and regulatory documentation 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). This compound is moisture-sensitive; the container should be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain stability and purity.

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%
Water Content (KF)	≤ 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.