Search Results - "Xin, Zhengyuan"

Asymmetric Total Synthesis of Norzoanthamine by Xin, Zhengyuan, Wang, Hui, He, Haibing, Zhao, Xiaoli, Gao, Shuanhu

“…We report herein the asymmetric total synthesis of norzoanthamine using radical reactions as key steps for rapid access to the congested carbocyclic core,…”
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The Impact Behavior between Coal Gangue Particles and the Tail Beam Based on Rock Failure by Xin, Zhengyuan, Zeng, Qingliang, Yang, Yang

“…In top coal caving mining, common impact occurs between coal gangue particles and tail beam. Little attention has been paid to the effects of coal gangue…”
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Double-Modal Locomotion of a Hydrogel Ultra-Soft Magnetic Miniature Robot with Switchable Forms by Zhong, Shihao, Xin, Zhengyuan, Hou, Yaozhen, Li, Yang, Huang, Hen-Wei, Sun, Tao, Shi, Qing, Wang, Huaping

“…Flexible miniature robots are expected to enter difficult-to-reach areas in vivo to carry out targeted operations, attracting widespread attention. However, it…”
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Asymmetric Total Synthesis of Norzoanthamine by Xin, Zhengyuan, Wang, Hui, He, Haibing, Zhao, Xiaoli, Gao, Shuanhu

“…We report herein the asymmetric total synthesis of norzoanthamine using radical reactions as key steps for rapid access to the congested carbocyclic core,…”
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Dynamic Response Analysis of the Coal Gangue-like Elastic Rock Sphere Impact on the Massless Tail Beam Based on Contact-Structure Theory and FEM by Yang, Yang, Xin, Zhengyuan, Wan, Lirong

“…The impact and collision behavior between the coal gangue and the hydraulic support widely exists in the top coal caving. However, due to the complex…”
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Simulation Research on the Influence of the Clearance to the Impact Contact Characteristics between Coal Gangue and the Clearance-Contained Tail Beam Structure by Yang, Yang, Xin, Zhengyuan, Zeng, Qingliang, Liu, Zhihai

“…There are various forms of clearance at the connection of various parts of the hydraulic support. However, the influence of clearance has been ignored in…”
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Total Synthesis of Viridin and Viridiol by Ji, Yang, Xin, Zhengyuan, He, Haibing, Gao, Shuanhu

“…The asymmetric total synthesis of (−)-viridin and (−)-viridiol, antifungal metabolites, was achieved in 17 and 18 steps from a commercially available starting…”
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Recent advances in the total synthesis of natural products bearing the contiguous all-carbon quaternary stereocenters by Xin, Zhengyuan, Wang, Hui, He, Haibing, Gao, Shuanhu

“…[Display omitted] Contiguous all-carbon quaternary centers represent an important structural motif that exist in many biological active natural products and…”
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Synthesis of ent-Cleistanthane Diterpenoid Spruceanol: Construction of an Aromatic C Ring via Lewis Acid-Controlled Regioselective Diels–Alder Cycloaddition by Cai, Wei, Huang, Sujie, Wu, Jiajia, Song, Zhiqiang, Xin, Zhengyuan, Li, Jiabin, Xue, Xiaowen

“…The first synthesis of ent-cleistanthane-type diterpenoid spruceanol with significant anticancer activity is described. A chiral pool approach was employed…”
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Synthesis and anticancer activity of some novel indolo[3,2-b]andrographolide derivatives as apoptosis-inducing agents by Song, Yaping, Xin, Zhengyuan, Wan, Yumeng, Li, Jiabin, Ye, Boping, Xue, Xiaowen

“…A series of novel indolo[3,2-b]andrographolide derivatives were designed, synthesized and screened in vitro against three human cancer cell lines MCF7 (human…”
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Synthesis of (−)-agathic acid and (−)-copalic acid from andrographolide via a regioselective Barton-McCombie reaction by Xin, Zhengyuan, Lu, Yunlong, Xing, Xiaolan, Long, Jingjie, Li, Jiabin, Xue, Xiaowen

“…The first synthesis of the ent-labdane diterpenoid (−)-agathic acid (1) with antibacterial activity is described. A chiral pool approach was employed with a…”
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Stereoselective Synthesis and Biological Evaluation of ent‐Asperolide C and its Analogues by Xin, Zhengyuan, Song, Yunlong Lu, Zhiqiang, He, Yuchen, Li, Jiabin, Lin, Kejiang, Xue, Xiaowen

“…A stereoselective synthesis of ent‐asperolide C and its analogues is described. A chiral‐pool approach was used with a linear sequence of 10 steps, starting…”
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