Premium
Onium Salt Catalyzed Preparation of Isocyanurates (Applications of Phase Transfer Catalysis, Part 28 [1])
Author(s) -
Broda Witold,
Dehmlow Eckehard V.,
Schulz HansJoachim
Publication year - 1985
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.198500098
Subject(s) - chemistry , onium , catalysis , aliquat 336 , yield (engineering) , salt (chemistry) , sulfonium , exothermic reaction , organic chemistry , phase (matter) , umpolung , polymer chemistry , nucleophile , ion , materials science , metallurgy , extraction (chemistry) , solvent extraction
Abstract Trimerizations of isocyanates give isocyanurates (N.N.N‐trisubstituted 1,3,5‐triazinetriones) in an exothermic, high yield PTC process. Catalysis by various inorganic salts combined with onium salts or crown ethers is effective, Aliquat 336 being the best catalyst.