o-Alkyl derivatives of N-acetylaminobenzo-12-crowns-4 4a-f were prepared by Pd-Cu-catalyzed alkynylation of 5'-N-acetylamino-4'-iodobenzo-12-crown-4 (2). Cyclization of compounds 4a-f afforded the corresponding substituted 5,6-indolo-12-crowns-4 5a-c.
o-Alkyl derivatives of N-acetylaminobenzo-12-crowns-4 4a-f were prepared by Pd-Cu-catalyzed alkynylation of 5'-N-acetylamino-4'-iodobenzo-12-crown-4 (2). Cyclization of compounds 4a-f afforded the corresponding substituted 5,6-indolo-12-crowns-4 5a-c.
作者:S. V. Klyatskaya、E. V. Tretyakov、S. F. Vasilevsky
DOI:10.1023/a:1015078217485
日期:——
o-Alkyl derivatives of N-acetylaminobenzo-12-crowns-4 4a-f were prepared by Pd-Cu-catalyzed alkynylation of 5'-N-acetylamino-4'-iodobenzo-12-crown-4 (2). Cyclization of compounds 4a-f afforded the corresponding substituted 5,6-indolo-12-crowns-4 5a-c.