作者:F. Z. Galin、S. N. Lakeev、G. A. Tolstikov
DOI:10.1007/bf01433752
日期:1996.1
transformations of phthalimido-substituted keto-stabilized sulfonium ylides, including optically active ylides, were studied. The thermolysis of sulfonium ylides obtained from α- and β-amino acids leads to methylthio-substituted pyrrolizidine- and indolizidinediones. Racemization of optically active ylides does not occur. Sulfonium ylides with longer carbon chains do not undergo intramolecular cyclization
研究了邻苯二甲酰亚胺取代的酮基稳定的锍叶立德(包括光学活性叶立德)的热转化。从α-和β-氨基酸获得的锍叶立德的热解导致甲硫基取代的吡咯里西啶和吲哚里西二酮。不会发生旋光叶立德的外消旋化。具有较长碳链的锍叶立德不发生分子内环化。