A novel synthesis of disubstituted ureas using titanium(IV) isopropoxide and sodium borohydride
作者:Joseph D. Armstrong、Chad N. Wolfe、Jennifer L. Keller、Joseph Lynch、M. Bhupathy、R.P. Volante、Robert J. De Vita
DOI:10.1016/s0040-4039(97)00149-4
日期:1997.3
This paper describes a high yield preparation of unsymmetrically disubstituted ureas by a titanium(IV) isopropoxide/sodium borohydride mediated reductive amidation of aromatic aldehydes with monosubstituted ureas.