作者:F. Z. Galin、S. N. Lakeev、G. A. Tolstikov
DOI:10.1007/bf02503783
日期:1997.11
The intramolecular cyclization of keto-stabilized sulfonium ylides obtained from β-alanine and containing various imide fragments was studied. On heating in toluene in the presence of PhCO2H, ylides containing a phthalimide moiety are converted into indolizidine-2,6-dione derivatives, whereas those incorporating a 4-methyl-1,2,3,6-tetrahydrophthalimide or pyrrolidine-2,5-dione moieties do not undergo
研究了从 β-丙氨酸获得并含有各种酰亚胺片段的酮基稳定的锍叶立德的分子内环化。在 PhCO2H 存在下在甲苯中加热时,含有邻苯二甲酰亚胺部分的叶立德转化为 indolizidine-2,6-dione 衍生物,而那些包含 4-methyl-1,2,3,6-四氢邻苯二甲酰亚胺或吡咯烷-2,5 -二酮部分不进行环化。