Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Wangqin Zhang"'
1
Synthesis of P-stereogenic cyclicphosphinic amides via electrochemically enabled cobalt-catalyzed enantioselective C–H annulation
Autor: Tao Liu, Wangqin Zhang, Chao Xu, Zhenhui Xu, Dingguo Song, Wei Qian, Gang Lu, Chang-Jun Zhang, Weihui Zhong, Fei Ling
Publikováno v: Green Chemistry. 25:3606-3614
We describe a cobalta-electro-catalyzed enantioselective C–H annulation of arylphosphinamides with alkynes for P-stereogenic compounds via desymmetrization and kinetic resolution processes.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8c5306ef3c8f976f96be93b5e40cad7
https://doi.org/10.1039/d3gc00455d
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2
Electrosynthesis of 2-Substituted Benzoxazoles via Intramolecular Shono-Type Oxidative Coupling of Glycine Derivatives
Autor: Lei Liu, Zhenhui Xu, Tao Liu, Chao Xu, Wangqin Zhang, Xiangqi Hua, Fei Ling, Weihui Zhong
Publikováno v: The Journal of Organic Chemistry. 87:11379-11386
Herein, an atom-economical and eco-friendly electrochemical oxidation/cyclization of glycine derivatives through intramolecular Shono-type oxidative coupling is disclosed, leading to a variety of 2-substituted benzoxazoles in 51-85% yields. This oxid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f74b74871644a6deea3af43e0cd68f2f
https://doi.org/10.1021/acs.joc.2c00856
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5
Divergent electrolysis for the controllable coupling of thiols with 1,2-dichloroethane: a mild approach to sulfide and sulfoxide
Autor: Fei Ling, Tao Liu, Chao Xu, Jiaying He, Wangqin Zhang, Changwu Ling, Lei Liu, Weihui Zhong
Publikováno v: Green Chemistry. 24:1342-1349
Electrocatalysis for the controllable coupling of thiols with DCE was achieved to generate value-added β-chloro-tethered sulfur compounds in batch and flow.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f2ff2dafc5e4051191cdd2c039db2c2
https://doi.org/10.1039/d1gc03440e
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6
Hydrogen evolution-enabled rhodaelectro-catalyzed [4+2] annulations of purines and 7-deazapurines with alkynes
Autor: Chao Xu, Zhensheng Zhang, Tao Liu, Wangqin Zhang, Weihui Zhong, Fei Ling
Publikováno v: Chemical Communications. 58:9508-9511
A rhodium-catalyzed electrochemical regioselective annulation of 6-phenylpurines and 6-phenyl-7-deazapurines with alkynes has been developed. Electricity is used to recycle the active rhodium-based catalyst, promote the evolution of H
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0fd8812f4436bc6f3a31aae2f8d0d88
https://doi.org/10.1039/d2cc03625h
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7
Eco-friendly construction of spiroquinazolin-2-(thi)ones and quinolin-(thio)ureas via Fe(iii)-catalyzed multi-component domino double [4 + 2] annulations
Autor: Shuaijun Shi, Xuancheng Yang, Wangqin Zhang, Xuqiong Xiao, Shiliang Wang, Pan Zhentao, Ma Yongmin
Publikováno v: Green Chemistry. 23:2944-2949
An unprecedented eco-friendly multi-component domino approach for the synthesis of novel spiroquinazolin-2-(thi)ones and quinolin-(thio)ureas is described. The protocol proceeds via domino double [4 + 2] annulations and features an eco-benign catalys
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8df6b16870eb43682842771e836b3a97
https://doi.org/10.1039/d1gc00889g
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8
Design of an intelligent fuzzy control system for biomass drying process
Autor: Wangqin Zhang, Ma Yuzhong, Xiaowei Cao, Jin Sun, Yang Han, Guangxiang Sun
Publikováno v: 2018 4th International Conference on Control, Automation and Robotics (ICCAR).
The performance of drying equipment plays a key role in the biomass power generation. In this paper, a drying system using low-grade waste heat as the heat source based on fuzzy control is designed, which is used to control the drying process of biom
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1116f4bf29ba6487cec7880d5f89ff62
https://doi.org/10.1109/iccar.2018.8384664
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9
Research on 3D Reconstruction of Facial Images based on Computer Vision
Autor: Xinlong Zhu, Li Zeng, Jin Sun, Lifeng Zhang, Wangqin Zhang, Yuan Liu, Xuelong Hu, Fang Chen
Publikováno v: Proceedings of The 5th IIAE International Conference on Industrial Application Engineering 2017.
The purpose of this paper is to describe how to reconstruct a 3D model based on a single front facial image. With the use of computer vision library named OpenCV and graphics library OpenGL, a 3D facial reconstruction software was developed in the en
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47a30b9c3061fbeeb706d04ede6534ef
https://doi.org/10.12792/icisip2017.024
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10
Smooth and Texturing Blending Framework for Marginal Area of Facial Prosthesis
Autor: Jin Sun, Xiaowei Cao, Yongan Xu, Wangqin Zhang, Xionglong Zhu
Publikováno v: The Proceedings of the 4th International Conference on Industrial Application Engineering 2016.
The purpose of this paper is to describe how to model the smooth and texturing blending surfaces for marginal area of facial prosthesis adjoined to surrounding tissues based on the characteristic of areal scan data. First in the geometry modelling st
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d00e767b423468075b629877e3ee18e5
https://doi.org/10.12792/iciae2016.037
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