54965-10-5Relevant articles and documents
Selenium-catalyzed carbonylation of nitroarenes to symmetrical 1,3-diarylureas under atmospheric pressure
Wang, Xiaofang,Lu, Shiwei,Yu, Zhengkun
, p. 929 - 932 (2007/10/03)
Selenium-catalyzed carbonylation of nitrobenzene and substituted nitroarenes with CO under atmospheric pressure afforded symmetrical 1,3-diarylureas in yields up to 94%. A mechanism has been proposed to demonstrate the formation of symmetrical ureas.