Annulations with Butenolides and Phthalides: New Entries to Isocoumarins, 3,4-Dihydroisocoumarins, and Benzofurans

被引：3
|
作者：
Kraus, George A. [1 ]
机构：
[1] Iowa State Univ, Dept Chem, Ames, IA 50011 USA
来源：
SYNTHESIS-STUTTGART | 2020年 / 52卷 / 19期
基金：
美国国家科学基金会;
关键词：
butenolides; phthalides; sorbate esters; epoxy sorbates; polycyclic ring; isocoumarins; benzofurans; cyclic annulation; HAUSER-KRAUS ANNULATION; ASYMMETRIC-SYNTHESIS; LACTONE; DERIVATIVES; CONVERGENT; CONVERSION; STRATEGY;
D O I：
10.1055/s-0040-1707179
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The reactions of the anions of butenolides and substituted phthalides with sorbate esters and mono-epoxy sorbate esters furnish isocoumarins, 3,4-dihydroisocoumarins, and benzofurans. The yields range from 41% to 71%.
引用
收藏
页码：2821 / 2827
页数：7
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