Volume 42, Issue 18 pp. 2197-2202
Concise Report

Enantioselective Construction of Polycyclic Chromanes through Organocatalytic Sequential Quintuple Reaction via One-Pot Step-Wise Procedure

Jie Wang

Jie Wang

Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002 China

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Hang Qin

Hang Qin

Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002 China

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Ya-Li Song

Ya-Li Song

Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002 China

Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Baoding, Hebei, 071002 China

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Fei Cao

Fei Cao

Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002 China

Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Baoding, Hebei, 071002 China

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Zhi-Hao You

Corresponding Author

Zhi-Hao You

Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Hebei University, Baoding, Hebei, 071002 China

Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Baoding, Hebei, 071002 China

E-mail: [email protected]Search for more papers by this author
First published: 14 May 2024

Comprehensive Summary

An efficient and highly stereoselective synthetic method to access polycyclic chromanes has been achieved through organocatalyzed one-pot step-wise reactions involving 2-hydroxycinnamaldehydes, 2-aminochalcones, and malononitrile as substrates. The reactions underwent a quintuple process by aza-Michael/Michael/Knoevenagel/oxa-Michael/aldol-type reaction in sequence to give products bearing 3 new generated rings and 5 chiral centers in moderate to quantitative yields with excellent stereoselectivities. A novel retro-reaction mechanism was discovered in the synthetic transformations of products.

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