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4 results on '"Zou, You-Quan"'

2. Asymmetric Formal [3+2] Cycloaddition Reactions of 3-Isothio-cyanato Oxindoles: an Update.

Author

Tan, Fen, He, Xiao-Yu, Yang, Qing-Qing, and Zou, You-Quan

Subjects
OXINDOLES, RING formation (Chemistry), LEWIS acids, ASYMMETRIC synthesis
Abstract

3-Isothiocyanato oxindoles are a class of important building blocks which have been widely used in the synthesis of structurally diverse enantioenriched spirooxindoles. In this short review, it is attempted to cover the recent synthetic aspects of 3-isothiocyanato oxindoles participated cascade cyclizations in the last few years (i.e., from 2017 to 2022), with an emphasis on formal [3+2] cycloaddition reactions. 1 Introduction 2 Organocatalyzed Formal [3+2] Cycloaddition of 3-Isothiocyanato Oxindoles 3 Lewis Acid Catalyzed Formal [3+2] Cycloaddition of 3-Isothiocyanato Oxindoles 4 Conclusions [ABSTRACT FROM AUTHOR]

Published
2023
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4. Phosphine-Catalyzed [3+2] Cycloadditions of 2-Phenyl-4-Arylidene-5(4H)-Oxazolones with Allenoate: A Concise Synthesis of Aspartic Acid Analogues.

Author

Zou, You-Quan, Li, Chao, Rong, Jian, Yan, Hao, Chen, Jia-Rong, and Xiao, Wen-Jing

Subjects
*PHOSPHINE, *CATALYSTS, *RING formation (Chemistry), *OXAZOLONE, *CHEMICAL synthesis, *ASPARTIC acid
Abstract

A Ph3P-catalyzed [3+2] cycloaddition of 2-phenyl-4-arylidene-5(4H)-oxazolones with benzyl 2,3-butadienoate has been developed for the efficient synthesis of structurally diverse and conformationally constrained aspartic acid analogues. [ABSTRACT FROM AUTHOR]

Published
2011
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