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140 results on '"Wang, Zhuochen"'

8. Nodule Synthesis and Selection for Augmenting Chest X-ray Nodule Detection

Author

Shen, Zhenrong, Ouyang, Xi, Wang, Zhuochen, Zhan, Yiqiang, Xue, Zhong, Wang, Qian, Cheng, Jie-Zhi, Shen, Dinggang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ma, Huimin, editor, Wang, Liang, editor, Zhang, Changshui, editor, Wu, Fei, editor, Tan, Tieniu, editor, Wang, Yaonan, editor, Lai, Jianhuang, editor, and Zhao, Yao, editor

Published
2021
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9. Self-guided Multi-attention Network for Periventricular Leukomalacia Recognition

Author

Wang, Zhuochen, Huang, Tingting, Xiao, Bin, Huo, Jiayu, Wang, Sheng, Jiang, Haoxiang, Liu, Heng, Wu, Fan, Zhou, Xiang, Xue, Zhong, Yang, Jian, Wang, Qian, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Rekik, Islem, editor, Adeli, Ehsan, editor, Park, Sang Hyun, editor, and Schnabel, Julia, editor

Published
2021
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10. Zinc Promoted Cross‐Electrophile Sulfonylation to Access Alkyl–Alkyl Sulfones.

Author

Wang, Zhuochen, Ma, Rui, Gu, Chang, He, Xiaoqian, Shi, Haiwei, Bai, Ruopeng, and Shi, Renyi

Subjects
*TRANSITION metal catalysts, *HALOALKANES, *ELECTROPHILES, *CHARGE exchange, *ZINC, *SULFONES
Abstract

The transition metal‐catalyzed multi‐component cross‐electrophile sulfonylation, which incorporates SO2 as a linker within organic frameworks, has proven to be a powerful, efficient, and cost‐effective means of synthesizing challenging alkyl–alkyl sulfones. Transition metal catalysts play a crucial role in this method by transferring electrons from reductants to electrophilic organohalides, thereby causing undesirable side reactions such as homocoupling, protodehalogenation, β‐hydride elimination, etc. It is worth noting that tertiary alkyl halides have rarely been demonstrated to be compatible with current methods owing to various undesired side reactions. In this work, a zinc‐promoted cross‐electrophile sulfonylation is developed through a radical‐polar crossover pathway. This approach enables the synthesis of various alkyl–alkyl sulfones, including 1°‐1°, 2°‐1°, 3°‐1°, 2°‐2°, and 3°‐2° types, from inexpensive and readily available alkyl halides. Various functional groups are well tolerated in the work, resulting in yields of up to 93%. Additionally, this protocol has been successfully applied to intramolecular sulfonylation and homo‐sulfonylation reactions. The insights gained from this work shall be useful for the further development of cross‐electrophile sulfonylation to access alkyl–alkyl sulfones. [ABSTRACT FROM AUTHOR]

Published
2024
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11. Two-Stage Mapping-Segmentation Framework for Delineating COVID-19 Infections from Heterogeneous CT Images

Author

Li, Tong, Wang, Zhuochen, Chen, Yanbo, Zhang, Lichi, Gao, Yaozong, Shi, Feng, Qian, Dahong, Wang, Qian, Shen, Dinggang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Petersen, Jens, editor, San José Estépar, Raúl, editor, Schmidt-Richberg, Alexander, editor, Gerard, Sarah, editor, Lassen-Schmidt, Bianca, editor, Jacobs, Colin, editor, Beichel, Reinhard, editor, and Mori, Kensaku, editor

Published
2020
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