Direct Amidation of 2′-Aminoacetophenones Using I<sub>2</sub>-TBHP: A Unimolecular Domino Approach toward Isatin and Iodoisatin
作者:Andivelu Ilangovan、Gandhesiri Satish
DOI:10.1021/jo500550d
日期:2014.6.6
Synthesis of isatin and iodoisatin from 2′-aminoacetophenone was achieved via oxidative amido cyclization of the sp3C–Hbond using I2–TBHP as the catalyticsystem. The reaction proceeds through sequential iodination, Kornblum oxidation, and amidation in onepot. This method is simple, atom economic, and works under metal- and base-free conditions.
Molecular iodine-promoted efficient construction of isatins from 2'-aminophenylacetylenes, 2'-aminostyrenes, and 2'-amino-,beta-ketoesters is developed via oxidative amidation of sp, sp(2), and sp(3) C-H bonds. The reaction involves consecutive iodination, Kornblum oxidation, and intramolecular amidation in a single reactor. The present method meets all of the atom and redox economy principles.
COPPOLA, GARY M.;SCHUSTER, HERBERT F., J. HETEROCYCL. CHEM., 26,(1989) N, C. 957-964
作者:COPPOLA, GARY M.、SCHUSTER, HERBERT F.
DOI:——
日期:——
Coppola, Gary M.; Schuster, Herbert F., Journal of Heterocyclic Chemistry, 1989, vol. 26, p. 957 - 964