Description

(3Ar,8Ar)-4,4,8,8-Tetrakis(3,5-Di-tert-Butylphenyl)-2,2-Diethyl-6-Phenyltetrahydro-[1,3]Dioxolo[4,5-E][1,3,2]Dioxaphosphepine CAS NO 1241684-27-4 is a sophisticated organophosphorus compound featuring a unique bicyclic dioxaphosphepine structure. This molecule is valued for its role as a high-performance ligand or catalyst precursor in advanced chemical synthesis and materials science. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel catalytic processes and functional materials.

Application

• Asymmetric Catalysis: Serving as a chiral ligand for transition metal catalysts in the synthesis of enantiomerically pure pharmaceutical intermediates and fine chemicals.
• Polymerization Catalyst Component: Used in the development of novel coordination catalysts for olefin polymerization, influencing polymer tacticity and molecular weight.
• Organic Light-Emitting Diode (OLED) Research: Acting as a key building block or host material in the development of advanced electroluminescent layers due to its bulky, sterically hindered structure.
• Material Science Additive: Functioning as a stabilizer or modifying agent to enhance the thermal or oxidative stability of high-performance polymers and resins.
• Agrochemical Intermediate: Utilized in the research and synthesis of novel active ingredients with specific stereochemical requirements.
• Academic & Industrial R&D: A valuable tool compound for studying structure-activity relationships in catalysis and exploring new reaction methodologies.

Basic Information

Item	Details
Product Name	(3Ar,8Ar)-4,4,8,8-Tetrakis(3,5-Di-tert-Butylphenyl)-2,2-Diethyl-6-Phenyltetrahydro-[1,3]Dioxolo[4,5-E][1,3,2]Dioxaphosphepine
CAS No.	1241684-27-4
Molecular Formula	C71H96O4P
Molecular Weight	1053.48 g/mol
Synonyms	4,4,8,8-Tetrakis(3,5-di-tert-butylphenyl)-2,2-diethyl-6-phenyltetrahydro-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepine; Tetrahydro-dioxolo-dioxaphosphepine derivative; Dioxaphosphepine ligand; Chiral phosphite/phosphonite ligand; Sterically hindered organophosphorus ligand; CAS 1241684-27-4
EINECS	Contact for details

Quality Control

Every batch of our (3Ar,8Ar)-4,4,8,8-Tetrakis(3,5-Di-tert-Butylphenyl)-2,2-Diethyl-6-Phenyltetrahydro-[1,3]Dioxolo[4,5-E][1,3,2]Dioxaphosphepine undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, critical for catalytic performance. Our quality protocols are designed to meet the stringent requirements of research and process development. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept in a well-ventilated area and protected from moisture ingress to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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