Description

3-Tributylstannyl-5H-Furan-2-One is a specialized organotin reagent featuring a reactive butenolide moiety. This compound is valued for its role as a key synthetic intermediate in advanced organic transformations, particularly in Stille cross-coupling reactions. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Stille Cross-Coupling Reagent: Used in palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds, essential for creating conjugated systems.
• Agrochemical Synthesis: Intermediate in the development of new generation herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as polymers and small molecules for OLEDs or OFETs.
• Chemical Biology Probes: Useful for labeling and modifying biomolecules in research applications.
• Catalyst Ligand Precursor: Serves as a starting material for generating novel organotin catalysts or ligands.

Basic Information

Product Name	3-Tributylstannyl-5H-Furan-2-One
CAS No.	145439-08-3
Molecular Formula	C20H36O2Sn
Molecular Weight	427.21 g/mol
Synonyms	3-(Tributylstannyl)-2(5H)-furanone; 3-(Tributylstannyl)furan-2(5H)-one; Tributyl(2-oxo-2,5-dihydrofuran-3-yl)stannane; 2(5H)-Furanone, 3-(tributylstannyl)-; 3-Tributylstannyl-2(5H)-furanone; 3-Stannylbutenolide; Organotin butenolide reagent
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is characterized by NMR (1H, 13C, 119Sn), GC or HPLC analysis to confirm identity and purity. We maintain strict control over tin content and residual solvents. Certificates of Analysis (COA) are available upon request, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Tin (Sn) Content	27.0 - 28.5 %

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