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Your search keyword '"MENG Miao"' showing total 19 results
Start Over Author "MENG Miao" Publisher american chemical society (acs)
19 results on '"MENG Miao"'

1. Radiation-Hardened and Flexible Pb(Zr0.53Ti0.47)O3 Piezoelectric Sensor for Structural Health Monitoring

Author

Liu, Yajing, primary, Yun, Chao, additional, Wang, Yu, additional, Xu, Longjie, additional, Wang, Chongqi, additional, Li, Zhongxu, additional, Meng, Miao, additional, Song, Sijia, additional, Li, Kaifeng, additional, Li, Dong, additional, Chen, Feng, additional, Liu, Yang, additional, Ji, Yanda, additional, You, Tiangui, additional, Ning, Shuai, additional, Qiu, Lei, additional, Yang, Hao, additional, and Li, Weiwei, additional

Published
2023
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2. Radical Trifluoromethylative Dearomatization of Indoles and Furans with CO2

Author

Lei Zhu, Si-Shun Yan, Da-Gang Yu, Jing Li, Meng Miao, Xin-Chi Zhang, Wen-Jun Zhou, Yu Lan, and Jian-Heng Ye

Subjects
Indole test, 010405 organic chemistry, Substrate (chemistry), General Chemistry, Oxazolidone, 010402 general chemistry, 01 natural sciences, Catalysis, 0104 chemical sciences, chemistry.chemical_compound, Deprotonation, chemistry, Intramolecular force, Functional group, Organic chemistry, Amine gas treating
Abstract

Disclosed herein is a versatile and practical strategy for catalytic radical dearomatization. By means of this strategy, we realized the trifluoromethylative dearomatization of indoles and furans with CO2 via Cu catalysis. We also demonstrated the dearomatization of indoles with C-3 C–O bond formation to generate spirocyclic indolines. A variety of important CF3-containing spirocyclic indolines and spiroacetals can be synthesized with atmospheric CO2 under mild reaction conditions. Moreover, these multicomponent reactions feature high selectivity, good functional group tolerance, broad substrate scope, and easy scalability. Further theoretical investigation indicates that this transformation starts with deprotonation of the amine and CO2 insertion, after which CF3· radical addition to the indole followed by intramolecular C–O coupling affords the oxazolidone product.

Published
2017

3. Growth of High-Quality Superconducting FeSe0.5Te0.5 Films on Pb(Mg1/3Nb2/3)0.7Ti0.3O3 and Electric-Field Modulation of Superconductivity

Author

Mei, Chenguang, primary, Lin, Zhu, additional, Zhang, Ruixin, additional, Xu, Chengchao, additional, Huang, Haoliang, additional, Dong, Yongqi, additional, Meng, Miao, additional, Gao, Ye, additional, Zhang, Xi, additional, Zhang, Qinghua, additional, Gu, Lin, additional, Yang, Huaixin, additional, Tian, Huanfang, additional, Li, Jianqi, additional, Lu, Yalin, additional, Zhang, Guangming, additional, and Zhao, Yonggang, additional

Published
2020
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4. Transition-Metal-Free Lactonization of sp2 C–H Bonds with CO2

Author

Da-Gang Yu, Meng Miao, Jie-Lian Han, Yong-Gang Zhi, Zhen Zhang, Tao Ju, Xing-Yong Zhu, Yi-Han Zhang, and Jian-Heng Ye

Subjects
010405 organic chemistry, Organic Chemistry, Substrate (chemistry), 010402 general chemistry, Coumarin, 01 natural sciences, Biochemistry, Combinatorial chemistry, 0104 chemical sciences, chemistry.chemical_compound, chemistry, Transition metal, Functional group, Organic chemistry, Physical and Theoretical Chemistry, Derivatization
Abstract

The transition-metal-free lactonization of heteroaryl and alkenyl C–H bonds with carbon dioxide is reported to synthesize important coumarin derivatives in moderate to excellent yields. These redox-neutral reactions feature a broad substrate scope, good functional group tolerance, facile scalability, and easy product derivatization.

Published
2017

7. Reactivity of the Defective Rutile TiO2 (110) Surfaces with Two Bridging-Oxygen Vacancies: Water Molecule as a Probe

Author

Tao Wu, Yingchun Liu, Qi Wang, Meng Miao, Zhi-Jian Zhao, and Hui Shi

Subjects
Chemistry, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Whole systems, Bridging oxygen, Crystallography, General Energy, Adsorption, Computational chemistry, Rutile, Vacancy defect, Molecule, Density functional theory, Reactivity (chemistry), Physical and Theoretical Chemistry
Abstract

Defective rutile TiO2 (110) surfaces with one bridging-oxygen vacancy pair (OVP) and two next nearest neighbored bridging-oxygen vacancies belonging to the same row (NNN-OVs, i.e., two bridging-oxygen vacancies separated by a single oxygen atom) were studied using density functional theory (DFT) calculations. The results of a perfect surface and a defective surface with single bridging-oxygen vacancy (OV) were also shown. The reactivity of these surfaces was investigated by studying their interaction with a water molecule. Results show the NNN-OVs site is the most favorable site for water adsorption of two modes, molecular and dissociated adsorption, especially for dissociated adsorption. Upon dissociated adsorption on the NNN-OVs site, the whole system would release energy of 2.07 eV, much more than the energy released in any other site. It indicates the high reactivity of NNN-OVs as the best trap center. The 5-fold Ti sites show similar behaviors despite the existence of different defects. Adsorption on...

Published
2014

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