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Article

Silver Catalyzed Decarbonylative [3 + 2] Cycloaddition of Cyclobutenediones and Formamides

by
Pengcheng Wang
†,
Ruirui Yu
†,
Sajjad Ali
,
Zhengshen Wang
*,
Zhigang Liu
,
Jinming Gao
and
Huaiji Zheng
*
Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest Agriculture and Forestry University, 3 Taicheng Road, Yangling 712100, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Molecules 2021, 26(10), 2974; https://doi.org/10.3390/molecules26102974
Submission received: 14 April 2021 / Revised: 6 May 2021 / Accepted: 14 May 2021 / Published: 17 May 2021
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Abstract

As an important moiety in natural products, N,O-acetal has attracted wide attention in the past few years. An efficient method to construct N,O-acetal has been developed. Using silver catalyst, cyclobutenediones were smoothly converted to the corresponding γ-aminobutenolides in the presence of formamides, in which cyclobutenediones likely proceed with a key decarbonylative [3 + 2] cycloaddition process. In this way, a series of products with varied substituents were isolated in moderate yield and fully characterized.
Keywords: N,O-acetal; cyclobutenediones; formamides; [3 + 2] cycloaddition N,O-acetal; cyclobutenediones; formamides; [3 + 2] cycloaddition
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MDPI and ACS Style

Wang, P.; Yu, R.; Ali, S.; Wang, Z.; Liu, Z.; Gao, J.; Zheng, H. Silver Catalyzed Decarbonylative [3 + 2] Cycloaddition of Cyclobutenediones and Formamides. Molecules 2021, 26, 2974. https://doi.org/10.3390/molecules26102974

AMA Style

Wang P, Yu R, Ali S, Wang Z, Liu Z, Gao J, Zheng H. Silver Catalyzed Decarbonylative [3 + 2] Cycloaddition of Cyclobutenediones and Formamides. Molecules. 2021; 26(10):2974. https://doi.org/10.3390/molecules26102974

Chicago/Turabian Style

Wang, Pengcheng, Ruirui Yu, Sajjad Ali, Zhengshen Wang, Zhigang Liu, Jinming Gao, and Huaiji Zheng. 2021. "Silver Catalyzed Decarbonylative [3 + 2] Cycloaddition of Cyclobutenediones and Formamides" Molecules 26, no. 10: 2974. https://doi.org/10.3390/molecules26102974

APA Style

Wang, P., Yu, R., Ali, S., Wang, Z., Liu, Z., Gao, J., & Zheng, H. (2021). Silver Catalyzed Decarbonylative [3 + 2] Cycloaddition of Cyclobutenediones and Formamides. Molecules, 26(10), 2974. https://doi.org/10.3390/molecules26102974

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