1,2-Bis(phenylsulfinyl)ethane Palladium(II) Diacetate TCI B3292

Chemical Identity

CAS No.: 858971-43-4
PubChem: CID 11562441·SID 87560756
Formula: C18H20O6PdS2
Molecular weight: 502.9 g/mol
Purity: >96.0%(T)
Reference databases: ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-(benzenesulfinyl)ethylsulfinylbenzene;palladium(2+);diacetate
SMILES: CC(=O)[O-].CC(=O)[O-].C1=CC=C(C=C1)S(=O)CCS(=O)C2=CC=CC=C2.[Pd+2]
InChIKey: SNNYSJNYZJXIFE-UHFFFAOYSA-L

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TCI B3292, also known as 1,2-Bis(phenylsulfinyl)ethane Palladium(II) Diacetate, is a chemical compound widely used in catalytic reactions for carbon-hydrogen activation. This material plays a crucial role in laboratory settings, particularly in the field of catalysis and inorganic chemistry. It is a key reagent in various synthetic processes that require the activation of C-H bonds, which is essential for the development of complex organic molecules. Its unique chemical structure allows it to act as an efficient catalyst, facilitating reactions that would otherwise be difficult or inefficient to achieve.

One of the main reasons this compound is preferred is its high catalytic activity and stability under a range of reaction conditions. It is known for its ability to accelerate chemical reactions without being consumed in the process, making it a cost-effective and sustainable choice for laboratory use. Additionally, its solid physical form simplifies handling and storage, which is especially beneficial in high-throughput or routine chemical synthesis applications. The compound also exhibits good resistance to decomposition, ensuring consistent performance across multiple reaction cycles.

In Indonesian laboratories, TCI B3292 is commonly utilized in academic and industrial research settings. It is particularly relevant for studies in organic chemistry and catalysis, supporting both fundamental research and applied technological development. Its reliability and effectiveness make it a valuable tool for chemists working on advanced synthetic methodologies and innovation in the chemical industry.

Advantages (TCI brochure)

Regioselectively introduces acetoxy group at the allylic position
Shows reactivity differing from other homogeneous palladium catalysts

TCI brochures (PDF)

C-H Bond Activation Reaction 2025-06-20 · p. 2
Transition Metal Catalysts 2026-04-10 · p. 14

Related TCI products

C-H Activation Reactions: This compound is ideal for C-H activation due to its ability to efficiently activate carbon-hydrogen bonds, making it suitable for complex organic synthesis.
Organic Synthesis: It is widely used in the development of new organic compounds, especially in reactions requiring precise control over bond activation.
Catalytic Research: Its high catalytic activity makes it a preferred choice for studies involving transition metal-based catalysts and their mechanisms.
Industrial Chemical Processes: It supports large-scale chemical manufacturing by enabling efficient and selective catalytic reactions in industrial settings.
Academic Research: It is commonly used in university laboratories for teaching and research in catalysis and inorganic chemistry.

From the TCI brochure

Allylic C-H oxidation
Macrolactonization of ortho-substituted salicylic acid substrates via intramolecular allylic C-H oxidation

Brand	TCI
CAS number	858971-43-4
Molecular formula	—
Purity	—
Category	Chemistry > Catalysis and Inorganic Chemistry > C-H Activation [Catalysis]
Pack sizes	—
Physical form	Solid
Storage	Store in a cool, dry place away from moisture and direct sunlight

Data from the TCI brochure

Hasil (Y.) produk 1	73% (B3292 10 mol%, 1,4-benzoquinone 2 eq., AcOH, dioxane, 43 oC; rasio 1:2 = 11:1)
Hasil macrolaktonisasi	57% (B3292 10 mol%, 1,4-benzoquinone 2 eq., CH2Cl2, Air, 45 oC; R2 = MOM atau Bn)

Source: TCI brochure R5107 (2025-06-20)

This compound should be stored in a cool, dry environment to maintain its stability and effectiveness. It is recommended to keep it in a sealed container to prevent exposure to moisture and air, which can affect its performance. Due to its solid form, it is easy to handle and suitable for use in standard laboratory conditions. General laboratory precautions include avoiding direct contact with skin and ensuring proper ventilation when working with it. While it is considered non-toxic and stable, it is still important to follow standard safety protocols to ensure safe handling and use.

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