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Liu PY, Zhao YM, Xu Y, Wang S, Song L, Meng Q, Zhang Z, Yu F, He YP. Experiment and Computational Study on Pd-Catalyzed Methoxyiminoacyl-Directed γ-Alkoxylation of Alkylamides. J Org Chem 2023; 88:14445-14453. [PMID: 37815929 DOI: 10.1021/acs.joc.3c01460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
The direct alkoxylation of amides has been accomplished via methoxyiminoacyl (MIA)-mediated Pd-catalyzed C-H functionalization. A diverse array of alkylamide substrates is amenable to this protocol, providing γ-C(sp3)-alkoxylation of alkylamide derivatives with good to high efficiency. Two aspects of the research were completed to explore the reaction mechanism. On the one hand, the result of the kinetic isotopic effect experiment and control experiment indicated that reductive elimination is a rate-limiting step. On the other hand, density functional theory calculations demonstrated that a concerted Sn2 reductive elimination mechanism pathway is prior. Finally, the MIA group could be efficiently hydrogenated and protected in a one-pot procedure, which provides a short synthetic route to γ-methoxy amino acid derivatives.
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Affiliation(s)
- Peng-Yu Liu
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
| | - Yi-Min Zhao
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
| | - Yuehui Xu
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
| | - Shuai Wang
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
| | - Lijuan Song
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Qingtao Meng
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Fang Yu
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
- School of pharmaceutical engineering, Zhejiang Pharmaceutical University, No 666 Siming road, Fenghua District, Ningbo 315599, China
| | - Yu-Peng He
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016, China
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Wang K, Zhang W, Liu N, Hu D, Yu F, He YP. Methionine-Derived Organogels as Lubricant Additives Enhance the Continuity of the Oil Film through Dynamic Self-Healing Assembly. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:11492-11501. [PMID: 36089744 DOI: 10.1021/acs.langmuir.2c02181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
(S)-2-((1-(Hexadecylamino)-4-(methylthio)-1-oxobutan-2-yl)carbamoyl)benzoic acid (HMTA) was efficiently synthesized and successfully applied as an additive to several types of blank lubricant oils. Initially, HMTA self-assembles to fibrous structures and traps blank lubricant oils to form gel lubricants. The prepared gel lubricants show thermo-reversible properties and enhanced lubricating performance by 3∼5-fold. X-ray photoelectron spectrometry of the metal surface and the quartz crystal microbalance illustrated that there are no obvious interactions between HMTA and the metal surface. The results of Fourier transform infrared spectroscopy and X-ray diffraction further confirm that inter/intro-molecular H-bonding interactions are the main driving force for the self-healing of HMTA. Finally, molecular dynamics (MD) simulations show that the number of noncovalent H-bonding interactions fluctuates with time, and this highly dynamic H-bonding network could regulate the self-assembly process and result in the self-healing property of the HMTA organogel, which is consistent with the results of the step-strain tests. Especially, the Hirshfeld independent gradient model method at the quantum level demonstrated that C8/C9 aromatics of 500SN have strong π-π stacking interactions with the aromatic heads of HMTA and van der Waals interactions with the hydrophobic tails of HMTA, which disrupt the self-assembly behavior of the 500SN model. Therefore, the calculation studies offer a rational explanation for the superior lubricant property of the PAO10 gel as compared to that for 500SN.
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Affiliation(s)
- Kai Wang
- State Key Laboratory Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
- Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Lu West 1, Fushun, 113001, Liaoning China
| | - Wannian Zhang
- State Key Laboratory Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
- Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Lu West 1, Fushun, 113001, Liaoning China
| | - Na Liu
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Lu West 1, Fushun, 113001, Liaoning China
| | - Dianwen Hu
- State Key Laboratory Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
- Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, China
| | - Fang Yu
- State Key Laboratory Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
- Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Lu West 1, Fushun, 113001, Liaoning China
| | - Yu-Peng He
- State Key Laboratory Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
- Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Lu West 1, Fushun, 113001, Liaoning China
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Enhanced oil recovery: QM/MM based descriptors for anionic surfactant salt-resistance. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Liu PY, Zhao SC, Zhang MY, Song L, Wang C, Yu F, Meng Q, Zhang Z, He YP. Pd-Catalyzed γ-Acetoxylation of Alkylamides: Structural Influence of Directing Groups. J Org Chem 2022; 87:6378-6386. [PMID: 35422116 DOI: 10.1021/acs.joc.2c00085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Peng-Yu Liu
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Load West 1, Fushun 113001, China
| | - Shi-Chen Zhao
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Load West 1, Fushun 113001, China
| | - Ming-Yuan Zhang
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Load West 1, Fushun 113001, China
| | - Lijuan Song
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Load West 1, Fushun 113001, China
| | - Caiping Wang
- Beijing Winsunny Pharmaceutical CO., LTD, Beijing 101113, China
| | - Fang Yu
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Jiangbei District, Ningbo 315016, China
| | - Qingtao Meng
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Yu-Peng He
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- State Key Laboratory Fine Chemicals, Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Jiangbei District, Ningbo 315016, China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University, Dandong Load West 1, Fushun 113001, China
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Zhang W, Zhang MY, Wang K, Sun R, Zhao S, Zhang Z, He YP, Yu F. Geometry transformation of ionic surfactants and adsorption behavior on water/ n-decane-interface: calculation by molecular dynamics simulation and DFT study. RSC Adv 2021; 11:28286-28294. [PMID: 35480765 PMCID: PMC9038023 DOI: 10.1039/d1ra04669a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/15/2021] [Indexed: 01/20/2023] Open
Abstract
Understanding the effect of surfactant structure on their ability to modify interfacial properties is of great scientific and industrial interest. In this work, we have synthesized four amide based ionic surfactants under acidic or basic conditions, including CTHA·HCl, CTEA·HCl, CTHA-Na+ and CTEA-Na+. Experiments have proved that the anionic surfactant with polyethylene oxide groups (CTEA-Na+) had the lowest surface tension on the water/n-decane interface. Molecular dynamics simulations have been applied to investigate the structural effect on the adsorption behavior of four different surfactants. The surface tension, interface thickness, interface formation energy, density profiles, order parameters, radial distribution function on the water/n-decane interfaces were calculated and compared. During the equilibrium states, we found that the interface configuration of two cationic surfactants are almost linear while the two anionic surfactants are changed to bending shapes due to the different positions of the hydrophilic head groups. Further DFT study and wavefunction analysis of surfactants have shown that CTEA-Na+ can form stronger vdW interactions with n-decane molecules due to a more neutral electrostatic potential distribution. Meanwhile, the introduction of polyethylene oxide groups has offered more H-bonding sites and resulted in more concentrated H-bonding interactions with water molecules. The difference of weak interactions may contribute to the conformational change and finally affect the interface properties of these ionic surfactants.
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Affiliation(s)
- Wannian Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning Anshan 114051 P. R. China
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology No. 26 Yucai Road, Jiangbei District Ningbo 315016 P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Ming-Yuan Zhang
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Kai Wang
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology No. 26 Yucai Road, Jiangbei District Ningbo 315016 P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Ruixia Sun
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Shanlin Zhao
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning Anshan 114051 P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning Anshan 114051 P. R. China
| | - Yu-Peng He
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning Anshan 114051 P. R. China
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology No. 26 Yucai Road, Jiangbei District Ningbo 315016 P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
| | - Fang Yu
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology No. 26 Yucai Road, Jiangbei District Ningbo 315016 P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Petrochemical University Dandong Lu West 1 Fushun 113001 Liaoning P. R. China +86-2456860548
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Tao Q, Li YN, Tang WJ, Liu PY, Yu F, He YP. Di-ortho-C H arylation of phenylalanine: A bimetallic interaction between Pd(IV)-Ag(I). Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Zhang W, Zhang Z, Zhao S, Hong KH, Zhang MY, Song L, Yu F, Luo G, He YP. Pyromellitic-Based Low Molecular Weight Gelators and Computational Studies of Intermolecular Interactions: A Potential Additive for Lubricant. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2954-2962. [PMID: 33636083 DOI: 10.1021/acs.langmuir.0c03625] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Low molecular weight gelators (LMWG) have been extensively explored in many research fields due to their unique reversible gel-sol transformation. Intermolecular interactions between LMWG are known as the main driving force for self-assembly. During this self-assembly process, individually analyzing the contribution difference between various intermolecular interactions is crucial to understand the gel properties. Herein, we report 2,5-bis(hexadecylcarbamoyl)terephthalic acid (BHTA) as a LMWG, which could efficiently form a stable organogel with n-hexadecane, diesel, liquid paraffin, and base lubricant oil at a relatively low concentration. To investigate the contribution difference of intermolecular interactions, we first finished FT-IR spectroscopy and XRD experiments. On the basis of the d-spacing, a crude simulation model was built and then subjected to molecular dynamics (MD) simulations. Then, we knocked out the energy contribution of the H-bonding interactions and π-π stacking, respectively, to evaluate the intermolecular interactions significantly influencing the stability of the gel system. MD simulations results suggest that the self-assembly of the aggregates was mainly driven by dense H-bonding interactions between carbonyl acid and amide moieties of BHTA, which is consistent with FT-IR data. Moreover, wave function analysis at a quantum level suggested these electrostatic interactions located in the middle of the BHTA molecule were surrounded by strong dispersion attraction originating from a hydrophobic environment. Furthermore, we also confirmed that 2 wt % BHTA was able to form gel lubricant with 150BS. The coefficient of friction (COF) data show that the gel lubricant has a better tribological performance than 150BS base lubricant oil. Finally, XPS was performed and offered valuable information about the lubrication mechanism during the friction.
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Affiliation(s)
- Wannian Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
| | - Shanlin Zhao
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Kwon Ho Hong
- Department of Medicinal Chemistry and Institute for Therapeutics Discovery and Development, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55414, United States
| | - Ming-Yuan Zhang
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Lijuan Song
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Fang Yu
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Genxiang Luo
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
| | - Yu-Peng He
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University, Dandong Lu West 1, Fushun 113001, Liaoning, P. R. China
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