Application and method for the production of n-cyclic and...

Details Application and method for the production of n-cyclic and... Application and method for the production of n-cyclic and...

C - Chemistry, Metallurgy

07

D

C07D 295/215 (2006.01) C07D 263/04 (2006.01) C07D 277/04 (2006.01) C07D 401/06 (2006.01) C07D 413/06 (2006.01) C07D 417/06 (2006.01)

Patent

CA 2113956

19 Abstract An application of ureas in which at least one of the urea's two nitrogen atoms is part of a non-aromatic ring which can be broken by an oxygen or sulphur atom as a chemical solvent, and a method of producing tri- or tetraalkylated ureas or bis ureas wherein at least one of the urea's nitrogen atoms is part of a non-aromatic ring which can be broken by an oxygen or sulphur atom by means of dialkylating the -NH2 group of a urea with an alkene or alkene arylene alkene dihalogenide, disulphonate or dihydrogen sulphonate in the presence of a solid base and a phase-transfer catalyst.

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