Description

1,6,11,16-Tetrabenzyl-1,6,11,16-Tetraphosphacycloicosane 1,6,11,16-Tetraoxide is a sophisticated macrocyclic organophosphorus compound featuring a 20-membered ring with four phosphorus centers, each oxidized and benzylated. This unique structure makes it a valuable ligand and precursor in advanced coordination chemistry and catalysis research. It is primarily sought after by R&D chemists and process developers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel metal complexes and catalytic systems.

Application

• Ligand for Transition Metal Catalysis: Acts as a multidentate ligand for complexing metals like palladium, platinum, or rhodium to create catalysts for cross-coupling, hydrogenation, or oxidation reactions.
• Precursor for Functionalized Phosphorus Compounds: Serves as a key intermediate for synthesizing more complex phosphine oxides or reduced phosphine ligands with tailored steric and electronic properties.
• Research in Supramolecular Chemistry: Utilized in the construction of macrocyclic and cage-like structures due to its pre-organized, multi-donor binding sites.
• Material Science Research: Investigated for potential use in creating phosphorus-containing polymers or as a modifying agent for surfaces.
• Pharmaceutical Intermediate: Employed in the research and development of novel active pharmaceutical ingredients (APIs) where specific phosphorus-based scaffolds are required.

Basic Information

Product Name	1,6,11,16-Tetrabenzyl-1,6,11,16-Tetraphosphacycloicosane 1,6,11,16-Tetraoxide
CAS No.	57978-16-2
Molecular Formula	C52H56O4P4
Molecular Weight	880.90 g/mol
Synonyms	1,6,11,16-Tetrabenzyl-1,6,11,16-tetraphospha-20-crown-4 tetraoxide; Tetrabenzyltetraphosphacycloicosane Tetraoxide; 20-Benzyl-1,6,11,16-tetraoxo-1,6,11,16-tetraphospha-20-azacycloicosane (alternative naming); TBTPO; 1,6,11,16-Tetrabenzyl-1,6,11,16-tetraphosphacycloeicosane-1,6,11,16-tetraoxide; Cyclic Tetraphosphine Tetraoxide Derivative
EINECS	Contact for details

Quality Control

Every batch of 1,6,11,16-Tetrabenzyl-1,6,11,16-Tetraphosphacycloicosane 1,6,11,16-Tetraoxide is produced and analyzed under strict quality management protocols to ensure consistency and purity for research applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed in a dry, inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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