Iodoaceton-<i>O</i>-benzyloxim, ein Reagenz zur Einführung der Acetonyl-Gruppe
作者:T. Severin、H. Lerche
DOI:10.1055/s-1982-29790
日期:——
Synthesis of <i>e</i><i>nt</i>-Alantrypinone
作者:David J. Hart、Nabi A. Magomedov
DOI:10.1021/ja010066+
日期:2001.6.1
This paper presents a synthesis of ent-alantrypinone (ent-6), the enantiomer of a natural product produced by the fungus Penicillium thymicola. The synthesis revolves around the Li[Me(3)AlSPh]-promoted isomerization of iminobenzoxazine 33 to quinazolinone 34, an N-acyliminium ion cyclization that converts enamide 9 to bridged indole 35, and rearrangement of 35 to oxindole ent-6. Ancillary chemistry