Description

(S)-(3-(Methoxymethoxy)-2,3-Dimethylbutyl)Diphenylphosphine Oxide is a chiral organophosphorus compound of significant interest in advanced synthetic chemistry. Its value lies in its role as a versatile ligand or building block for the preparation of other chiral catalysts and intermediates, enabling the synthesis of enantiomerically pure pharmaceuticals and fine chemicals. This product is essential for research and development laboratories, as well as production facilities, in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel, high-value chiral molecules.

Application

• As a chiral ligand precursor for transition metal catalysis in asymmetric synthesis.
• Building block for the synthesis of more complex, functionalized phosphine oxide ligands.
• Intermediate in the research and development of new active pharmaceutical ingredients (APIs).
• Use in the preparation of chiral catalysts for hydrogenation, cross-coupling, and other key organic transformations.
• Key material in agrochemical research for creating enantiomerically pure compounds.
• Starting material for advanced material science applications requiring chiral phosphorous centers.

Basic Information

Item	Detail
Product Name	(S)-(3-(Methoxymethoxy)-2,3-Dimethylbutyl)Diphenylphosphine Oxide
CAS No.	1263504-45-5
Molecular Formula	C20H27O2P
Molecular Weight	330.40 g/mol
Synonyms	(S)-[3-(Methoxymethoxy)-2,3-dimethylbutyl]diphenylphosphine oxide; (S)-(3-Methoxymethoxy-2,3-dimethylbutyl)diphenylphosphine oxide; (S)-Diphenyl[3-(methoxymethoxy)-2,3-dimethylbutyl]phosphine oxide; (S)-1-(Diphenylphosphoryl)-3-methoxymethoxy-2,3-dimethylbutane; (S)-DMMBDPO; Chiral DMMBDPO ligand precursor
EINECS	Contact for details

Quality Control

Our (S)-(3-(Methoxymethoxy)-2,3-Dimethylbutyl)Diphenylphosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and enantiomeric purity suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, it is recommended to handle the material under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to minimize exposure to ambient moisture. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 1.0%

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