Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of Chiral Spiro[indoline-3,4′-thiopyrano[2,3-<i>b</i>]indole] Derivatives
With a dinuclear zinc-ProPhenol complex as a catalyst, an efficient and novel [3 + 3] annulation of indoline-2-thiones and isatylidene malononitriles has been successfully developed via the Brønsted base and Lewis acid cooperative activation model. This practical methodology gives access to a broad...
Main Authors: | Tian-Tian Liu, Yu Chen, Guang-Jian Mei, Yuan-Zhao Hua, Shi-Kun Jia, Min-Can Wang |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2023-01-01
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Series: | Molecules |
Subjects: | |
Online Access: | https://www.mdpi.com/1420-3049/28/3/1056 |
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