sulfonium


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sul·fo·ni·um

 (sŭl-fō′nē-əm)
n.
A univalent cation containing trivalent sulfur, such as H3S+.

sulfonium

(sʌlˈfəʊnɪəm )
n
the US preferred spelling of sulphonium

sul•fo•ni•um

(sʌlˈfoʊ ni əm)

n.
the positively charged group H3S + , its salts, or their substitute products.
[1890–95; sulf (ur) + -onium]
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References in periodicals archive ?
Suitable ionic groups include onium ions such as ammonium, phosphonium, or sulfonium derivatives of aliphatic, aromatic, oraryl-aliphatic amines, phosphines, and sulfides.
Dimethyl Sulfide (DMS) is used in API and intermediate synthesis as the sulfonium salt (in epoxidation reactions) or in borane reducing agents (BH3-DMS).
Amino acids and some amino acid derivatives, sugars, acyclic and cyclic polyols, fructans, and quaternary amino, ectoine and sulfonium compounds act as compatible solutes (Suprasanna et al.
S-Methylmethionine sulfonium is a derivative of the amino acid methionine and referred as vitamin U (Vit U) due to its effects in the treatment gastrointestinal ulcers (Salim et al.
This alkylated sulfonium salts form precipitates in hydrocarbon which is easily separate without followed any distillation process [25].
The Patent title is DIHYDRO 1,4-BENZOXAZINES AND METHOD OF SYNTHESIZING THE SAME USING SULFONIUM SALTS.
However, when the polythioethers reacted with the growing oxonium terminated polyether chains, trialkyl sulfonium salt-terminated polyethers formed.
TsCl was dissolved in Py to yield sulfonium salt and after a certain period (aging time) the solution was treated with DMF for 30 min.
Irgacure 270 is a new high-molecular-weight sulfonium salt which fulfills the high standards that UV-curable inks for food packaging are required to meet.
Table 1--Technology Platforms Used in UV Curing Radical Cationic Crosslinking Base-Catalyzed Crosslinking Crosslinking Resins Acrylates, Epoxides, Vinyl Epoxy Maleates, Ethers Polyol/Isocyanate Styrene Michael addition Initiators Aromatic Diaryl Iodonium Salts Latent or blocked Ketones Triaryl Sulfonium amines Salts Nonionic photoacid generators Industries Coatings Electronic Materials, Coatings, Electronic Inks, Adhesives Adhesives Materials, Under Active Inks Development Adhesives
In the first instance, the acidic dialkyl sulfonium ion, Met([CH.