Method for conducting organic reactions using...

Details Method for conducting organic reactions using... Method for conducting organic reactions using...

C - Chemistry, Metallurgy

07

D

260/306.1

C07D 209/48 (2006.01)

Patent

CA 2034435

RD-19768 METHOD FOR CONDUCTING ORGANIC REACTIONS USING HEXAALKYLGUANIDINIUM SALT AS PHASE TRANSFER CATALYST Abstract Reactions between a solid polar and a non-polar compound, especially nucleophilic aromatic substitution reactions between an alkali metal salt of a hydroxyaromatic compound or thio analog thereof and an activated halo- or nitro-substituted aromatic compound, are conducted in a non- polar organic solvent such as toluene or xylene, in the presence of a hexaalkylguanidinium salt as a phase transfer catalyst. The method is particularly useful for the preparation of bisimides from bisphenol A or 4,4'-biphenol salts and 4-nitrophthalimides.

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