Description

9-Oxo-8,9-Diphenyl-10-Oxa-8-Aza-9$L^{5}-Phosphabicyclo[4.4.0]Deca-1,3,5-Trien-7-One is a high-purity, specialized organophosphorus heterocyclic compound, serving as a critical advanced intermediate in sophisticated chemical synthesis. Its unique bicyclic structure containing phosphorus, nitrogen, and oxygen atoms makes it invaluable for constructing complex molecular architectures. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and materials science sectors who require precise and reliable building blocks.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Ligand and Catalyst Development: Serves as a sophisticated scaffold for creating novel phosphorus-containing ligands for asymmetric catalysis and transition metal complexes.
• Materials Science Research: Employed in the development of specialty polymers, flame retardants, and organic electronic materials due to its heteroatom-rich structure.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Academic & Industrial R&D: A valuable compound for methodological research in organic synthesis and heterocyclic chemistry.

Basic Information

Item	Details
Product Name	9-Oxo-8,9-Diphenyl-10-Oxa-8-Aza-9$L^{5}-Phosphabicyclo[4.4.0]Deca-1,3,5-Trien-7-One
CAS No.	143000-18-4
Molecular Formula	C22H16NO3P
Molecular Weight	373.34 g/mol
Synonyms	9-Oxo-8,9-diphenyl-10-oxa-8-aza-9λ⁵-phosphabicyclo[4.4.0]deca-1,3,5-trien-7-one; 8,9-Diphenyl-10-oxa-8-aza-9-phosphabicyclo[4.4.0]deca-1,3,5-trien-7-one 9-oxide; 1,3,2-Oxazaphospholidine derivative; Phosphorus heterocycle 143000-18-4; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Every batch of 9-Oxo-8,9-Diphenyl-10-Oxa-8-Aza-9$L^{5}-Phosphabicyclo[4.4.0]Deca-1,3,5-Trien-7-One is manufactured under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to guarantee batch-to-batch consistency and support your regulatory and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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