n-Propylurea is used as a reactant in the preparation of N-1 monosubstituted 8-pyrazolyl xanthines as high affinity A2B adenosine receptor antagonists.
Purification Methods
Crystallise the urea from EtOH or EtOH/Et2O. [Biovin & Biovin Can J Chem 29 479 1951, IR: Biovin & Biovin Can J Chem 32 563 1954, Beilstein 4 H 142, 4 III 261, 4 IV 482.]
N-Propylurea Preparation Products And Raw materials