Synthesis of 4H-chromenes by silver(Ⅰ)-catalyzed cycloaddition of ortho-quinone methides with N-allenamides

被引：0

作者：

Long Kong ^{[1
]}

Nuligonda Thirupathi ^{[1
]}

Jiong Jia ^{[1
]}

Zhenghu Xu ^{[1
,2
]}

机构：

[1] Key Laboratory for Colloid and Interface Chemistry of Education Ministry, Department of Chemistry, Shandong University

[2] State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences

来源：

Science China(Chemistry) | 2019年 / 01期

基金：

中国国家自然科学基金;

关键词：

4H-chromene; ortho-quinone methide; N-allenamide; silver-catalysis; cycloaddition;

D O I：

暂无

中图分类号：

O621.3 [有机合成化学];

学科分类号：

070303 ; 081704 ;

摘要：

Chromenes represent an important class of six-membered heterocycles and have drawn tremendous attention in recent years. In this article, we report a convenient and practical synthesis of this heterocycle by a silver(I)-catalyzed cycloaddition reaction between in situ generated ortho-quinone methides and N-allenamides. Diverse 4H-chromenes were synthesized in good to excellent yields under very mild conditions.

引用

页码：80 / 86

页数：7

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