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.
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 .
The Patent title is DIHYDRO 1,4-BENZOXAZINES AND METHOD OF SYNTHESIZING THE SAME USING SULFONIUM
However, when the polythioethers reacted with the growing oxonium terminated polyether chains, trialkyl sulfonium
salt-terminated polyethers formed.
Quaternary ammonium and tertiary sulfonium
compounds in higher plants.
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