Transformation of Isatin 3-Acylhydrazones under Acetylating Conditions: Synthesis and Structure Elucidation of 1,5′-Disubstituted 3′-Acetylspiro[oxindole-3,2′-[1,3,4]oxadiazolines]
作者:László Somogyi
DOI:10.1246/bcsj.74.873
日期:2001.5
Several substituted isatin 3-acylhydrazones (e.g. 1a–k, n, p, t) have been synthesized. Under acetylating conditions they were transformed into selectively acetylated derivatives (e.g., 1l, n, o, q–s) and into the novel, title spiroheterocycles (2a–i). Some side reactions occurring under various acetylating conditions are also discussed.
合成了几种取代的异香豆酸3-酰基肼(例如1a–k、n、p、t)。在乙酰化条件下,它们转化为选择性乙酰化的衍生物(例如1l、n、o、q–s)以及新型的标题螺旋杂环(2a–i)。还讨论了在不同乙酰化条件下发生的一些副反应。