Description

1,4-Butanediylbis[(Trimethylsilylimino)Diphenylphosphorane] is a highly specialized organophosphorus reagent featuring a bis(phosphorane) structure with trimethylsilyl (TMS) protecting groups. This compound matters as a powerful and versatile precursor for constructing complex molecular architectures, particularly in advanced organic synthesis and materials science. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise carbon-carbon and carbon-heteroatom bond formation.

Application

• Wittig and related olefination reactions for the stereoselective synthesis of alkenes in complex molecule construction.
• Advanced pharmaceutical intermediate synthesis, particularly for creating novel, sterically hindered olefinic compounds.
• Precursor in organometallic chemistry and catalyst ligand development for homogeneous catalysis.
• Synthesis of specialty polymers and advanced materials with tailored olefinic functionalities.
• Research and development of new synthetic methodologies in academic and industrial laboratories.
• Agrochemical active ingredient synthesis requiring specific alkene geometries.

Basic Information

Item	Detail
Product Name	1,4-Butanediylbis[(Trimethylsilylimino)Diphenylphosphorane]
CAS No.	66055-17-2
Molecular Formula	C34H52N2P2Si2
Molecular Weight	619.00 g/mol
Synonyms	1,4-Bis[(trimethylsilylimino)diphenylphosphoranyl]butane; Bis(trimethylsilyliminodiphenylphosphoranyl)butane; 1,4-Butanediylbis[(trimethylsilylimino)diphenyl-λ5-phosphane]; TMS-protected bis(phosphorane) reagent; N,N'-Bis(trimethylsilyl)-1,4-bis(diphenylphosphoranylideneamino)butane
EINECS	Contact for details

Quality Control

Our 1,4-Butanediylbis[(Trimethylsilylimino)Diphenylphosphorane] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
¹H NMR	Conforms to structure
³¹P NMR	Conforms to structure
Residual Solvents (GC)	Meets ICH guidelines

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