105363-75-5Relevant academic research and scientific papers
Synthesis of Hexasubstituted Carbamimidic Acid Anhydrides and of N1,N1,N2-Trisubstituted Formamidines from 1,1,3-Trisubstituted Ureas
Torizuka, Motoki,Kikugawa, Yasuo,Nagashima, Hiromu
, p. 226 - 228 (2007/10/02)
1,1,3-Trisubstituted ureas 1 were converted with phosphoryl chloride to hexasubstituted carbamimidic acid anhydrides 2 which were hitherto unknown or difficult to prepare by other methods.The ureas bearing bulky substituents were converted to amidinoyl ch
