title: Novel synthesis of ureas: application of t-butylureas.
abstract: Otherwise inaccessible tropolonylureas were prepared by reaction of t-butylurea with appropriate amines, with elimination of t-butylamine. This method is also generally applicable for urea synthesis.
authors.affiliation: Research Foundation Itsuu Laboratory, Tokyo, Japan.
authors.forename: Ai
authors.initials: A
authors.lastname: Ito
authors.forename: Hideaki
authors.initials: H
authors.lastname: Muratake
authors.forename: Koichi
authors.initials: K
authors.lastname: Shudo
mesh_terms: D003485:Cyanates / Q000737:chemistry; D015394:Molecular Structure; D014334:Tropolone / Q000737:chemistry; D014508:Urea / Q000031:analogs & derivatives* / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D003485:Cyanates; D014334:Tropolone; D014508:Urea; C006865:butylurea; C005057:isocyanic acid