以环氧乙烷(EO)和CO2为原料生产碳酸乙烯酯(EC)的工艺,具有高“原子经济”和“绿色化学”的优势,为C1资源的化学利用提供可行的工业方案。卤素离子型催化剂是该环加成反应的传统催化剂,但在反应过程中,催化剂中卤离子流失,生成副产物...
;name bond_type mass charge ptype sigma epsilon o o 0.00000 0.00000 A 3.05e-01 6.56e-01 ; c1 c1 0.00000 0.00000 A 2.8e-01 2.24e-01 ; [ moleculetype ] ;name nrexcl COO 3 [ atoms ] ; nr type resi res atom cgnr charge mass ; 1 o 1 COO O 1 -0.35 16.00000 ; 2 o 1 COO O...
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Highly Selective CO2Electroreduction to CH4by In Situ Generated Cu2O Single-Type Sites on Conductive MOF: Stabilizing Key Intermediates with Hydrogen Bond Jun-Dong Yi, Ruikuan Xie, Zai-Lai Xie, Guo-Liang Chai, Tian-Fu Liu, Rui-Ping Chen, Yuan-Biao Huang, Rong Cao Angew. Chem. Int. Ed.,...
Ab initio MO study of the CO{sub 2} insertion into the Cu(I)-R bond (R = H, CH{sub 3}, or OH). Comparison between the CO{sub 2} insertion and the C{sub 2}H... Ab initio MO/MP4, SD-CI, and CCD models were invoked in the consideration of carbon dioxide and ethene inserti...
The Michael addition of carbon nucleophiles to conjugated enones is one of the most powerful methods for carbon-carbon bond formation. Due to its relevance... JM Lassaletta,R Fernandez,E Martin-Zamora,... - 《Journal of the American Chemical Society》 被引量: 0发表: 1996年 A facile synthes...
In situ Raman measurements revealed the presence of the intermediate *CO and C–H bond, while the ECOR experiments excluded *CO dimerization for C2H4 formation. By comparing the reaction energy of possible reaction intermediates (such as *CHO dimerization, *CO + *COH), the favourable C–C ...
Protonated triethanolamine as multi-hydrogen bond donors catalyst for efficient cycloaddition of CO2to epoxides under mild and cocatalyst-free conditions Mengshuai Liu, Xin Li, Lin Liang, Jianmin Sun Pages 384-390 select article “Fiddler crab-type” imidazolium salt as remote substituents tuning organo...
Uncertainty due to infectious diseases and stock–bond correlation. Econometrics 9(2), 17 (2021). Article Google Scholar Ye, L. & Zhang, X. Nonlinear Granger causality between health care expenditure and economic growth in the OECD and major developing countries. Int. J. Environ. Res. ...
the C–O bond strength in CO2molecule is as strong as 364 kJ/mol and the carbon atom has the highest oxidation state. For these reasons, highly efficient catalyst or large energy input is necessary to accelerate CO2conversion into valuable chemicals [3]. There exist a few ways to convert ...