Description

Di-tert-Butyl((2S,3S)-3-(tert-Butyl)-4-Phenoxy-2,3-Dihydrobenzo[D][1,3]Oxaphosphol-2-Yl)Phosphine Oxide is a sophisticated chiral organophosphorus compound featuring a unique benzo[d][1,3]oxaphosphole scaffold. This compound is of significant value as a specialized ligand or advanced synthetic intermediate in asymmetric catalysis and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for the development of novel active ingredients and catalytic processes.

Application

• Asymmetric Catalysis: Serving as a chiral ligand or precursor for transition metal catalysts in enantioselective synthesis.
• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex, biologically active molecules.
• Agrochemical Research: Used in the development of novel, chiral pesticides and herbicides requiring specific stereochemistry.
• Material Science: Potential monomer or additive for creating specialized polymers with unique optical or electronic properties.
• Academic & Industrial R&D: A valuable tool compound for methodological development in organic and organometallic chemistry.

Basic Information

Item	Details
Product Name	Di-tert-Butyl((2S,3S)-3-(tert-Butyl)-4-Phenoxy-2,3-Dihydrobenzo[D][1,3]Oxaphosphol-2-Yl)Phosphine Oxide
CAS No.	2374143-31-2
Molecular Formula	C27H39O3P2
Molecular Weight	488.55 g/mol
Synonyms	(2S,3S)-2-(Di-tert-butylphosphinyl)-3-(tert-butyl)-4-phenoxy-2,3-dihydro-1,3-benzoxaphosphole 2-oxide; (2S,3S)-3-(tert-Butyl)-4-phenoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl-di-tert-butylphosphine oxide; Chiral Dihydrobenzooxaphosphole Phosphine Oxide Ligand; (S,S)-DTB-BOPO; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict internal quality standards to ensure batch-to-batch consistency and purity for research and development applications. Quality is verified through comprehensive analytical techniques including HPLC, NMR, and chiral analysis. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting identity, purity, and enantiomeric excess.

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 hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening the primary container for extended periods to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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