Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Hana Matsushita"'
Publikováno v:
Tetrahedron. 60:3439-3443
The conversion of carbamates into ureas using aluminum amide complexes is reported. This reaction is a convenient method to prepare bi-, tri- and tetra-substituted ureas from carbamate-protected primary or secondary amines by reaction with primary or
Publikováno v:
Tetrahedron Letters. 45:313-316
The preparation of an array of benzimidazoles and benzothiazoles from polymer-bound esters is described. Polymer-bound esters were treated with 2-aminothiophenols or 1,2-phenylenediamines in the presence of a Lewis acid to afford the corresponding be
Autor:
Bruce Clapham, Hana Matsushita, Kazuhiro Yoshida, Kim D. Janda, Sang-Hyeup Lee, Guido Koch, Juerg Zimmermann
Publikováno v:
ChemInform. 36
A series of alpha-diazo-beta-ketoesters were reacted with Boc amino acid amides in the presence of rhodium octanoate catalyst. The resulting N-H insertion products were treated with acid, providing the 1,4-azine intermediates, which were oxidized by