Metal-/solvent-free oxidative [4 + 2]/[3 + 2] annulation of 2-ethynylbenzaldehydes with arylalkenes: facile synthesis of benzo[a]fluoren-5-ones

Author:

Wang Cheng-Yong1,Yu Jiang-Xi1,Liu Bang1,Zhang Fu-Xing1,Wang Zhi-Qiang1,Hu Qin-Yu1,Xu Zhi-Feng1,Li Jin-Heng12ORCID

Affiliation:

1. Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, Key Laboratory of Functional Organometallic Materials, University of Hunan Province, College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, China

2. Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China

Abstract

DTBP-mediated oxidative [4 + 2]/[3 + 2] annulation between 2-alkynylbenzaldehydes and arylalkenes toward benzo[a]fluoren-5-ones under metal-/solvent-free conditions is presented.

Funder

Natural Science Foundation ofHunan Province

Education Department of Hunan Province

Hengyang Normal University

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry

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