Iron Sulfide Catalyzed Redox/Condensation Cascade Reaction between 2-Amino/Hydroxy Nitrobenzenes and Activated Methyl Groups: A Straightforward Atom Economical Approach to 2-Hetaryl-benzimidazoles and -benzoxazoles

被引:137
|
作者
Thanh Binh Nguyen [1 ]
Ermolenko, Ludmila [1 ]
Al-Mourabit, Ali [1 ]
机构
[1] CNRS, Inst Chim Subst Nat, Ctr Rech Gif Sur Yvette, F-91198 Gif Sur Yvette, France
关键词
ELEMENTAL SULFUR; SELECTIVE REDUCTION; HIGHLY EFFICIENT; BENZOTHIAZOLES; SOLVENT; DERIVATIVES; ACCESS; BENZIMIDAZOLES; MILD; ACID;
D O I
10.1021/ja311780a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Iron sulfide generated in situ from elemental sulfur and iron was found to be highly efficient in catalyzing a redox/condensation cascade reaction between 2-amino/hydroxy nitrobenzenes and activated methyl groups. This method represents a straightforward and highly atom economical approach to 2-hetaryl-benzimidazoles and -benzoxazoles.
引用
收藏
页码:118 / 121
页数:4
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