An Efficient Synthesis of 4H‐Benzo[g]chromene‐5,10‐dione De‐ rivatives through Triethylbenzylammonium Chloride Catalyzed Multicomponent Reaction under Solvent‐free Conditions

Chinese Journal of Chemistry - Tập 27 Số 10 - Trang 1989-1994 - 2009
Changsheng Yao1,2, Chenxia Yu1,2, Tuanjie Li1,2, Shu‐Jiang Tu1,2,3
1Key Laboratory of Biotechnology for Medicinal Plants, Xuzhou Normal University, Xuzhou, Jiangsu 221116, China
2School of Chemistry & Chemical Engineering, Xuzhou Normal University, Xuzhou, Jiangsu 221116, China
3Tel.: 0086-0516-83500065

Tóm tắt

Abstract

A series of 4‐aryl‐5,10‐dihydro‐4H‐benzo[g]chromene‐5,10‐dione derivatives were synthesized by a three‐component reaction with aromatic aldehyde, 2‐hydroxy‐1,4‐dihydronaphthalene‐1,4‐dione, and malononitrile catalyzed by triethylbenzylammonium chloride under solvent‐free conditions. The novel efficient method has the advantages of environmental friendliness, high yield, simple work‐up and ease of operation.

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Tài liệu tham khảo

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Thông tin
Thông tin xuất bản

Chinese Journal of Chemistry

Tập 27 Số 10

1989-1994

Thông tin tác giả