Article
Chemistry, Multidisciplinary
Kamil Suwada, Alice Weng Ieong, Hei Lok Herman Lo, Guillaume De Bo
Summary: Mechanophores play a crucial role in the development of force-controlled release systems, but the release of functional organic molecules often involves a nonmechanical process. In this study, a new mechanophore is presented, which can release a small molecule through a force-promoted double reaction.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Shi-Li Tang, De-Jun Li, Feng-Jie Ma, Lu-Lin Zhang, Bo Lian, Yuan-Zheng Cheng, Li-Ping Zhang
Summary: Three copper(II) complexes were synthesized and characterized, and their interactions with HS-DNA/BSA were investigated. The complexes were found to interact with HS-DNA via an intercalative mode and quench the intrinsic fluorescence of BSA through a static mechanism. The fluorescence data indicated that the complexes exhibited good binding affinity to BSA, with only one available binding site. The complexes displayed cytotoxicity against tumor cells and induced apoptosis in MCF-7 and HeLa cells.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Chemistry, Inorganic & Nuclear
Radhakrishnan Kartikeyan, Dhanashree Murugan, Tamilarasan Ajaykamal, Manikandan Varadhan, Loganathan Rangasamy, Marappan Velusamy, Mallayan Palaniandavar, Venugopal Rajendiran
Summary: Recently, mixed-ligand copper(ii) complexes have been investigated as alternative metallodrugs to cisplatin. A series of these complexes were synthesized and their cytotoxicity in HeLa cervical cancer cells was examined. The results demonstrated that two of the complexes showed potential as anticancer agents.
DALTON TRANSACTIONS
(2023)
Article
Energy & Fuels
Chenyu Wang, Chan Wu, Longbin Deng, Ranran Zhang, Shuaishuai Zhou, Zongyuan Wang, Congzhen Qiao, Yajie Tian
Summary: Bimetallic Ni-Cu alloys supported on ZSM-5 zeolite catalysts were prepared and used for the hydrodeoxygenation (HDO) of furfural (FUR) to produce 2-methylfuran (2-MeF). The addition of Ni to Cu/ZSM-5 catalyst accelerated the conversion rate and enhanced the selectivity of 2-MeF.
Article
Chemistry, Inorganic & Nuclear
Adrien Schlachter, Paul Asselin, Daniel Fortin, Paul-Ludovic Karsenti, Pierre D. Harvey
Summary: Two metal-organic frameworks (MOFs) were characterized in the presence of different guests to investigate the influence of these guests on the excited state dynamic processes in the MOFs. Solvent molecules have a significant impact on the luminescence intensity and excited state lifetimes, and no exciton migration occurs in either MOF structure.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Organic
Meng-Qi Ping, Ming-Zhong Guo, Rui-Tao Li, Zi-Chen Wang, Cheng Ma, Li-Rong Wen, Shao-Fei Ni, Weisi Guo, Ming Li, Lin-Bao Zhang
Summary: This study has successfully developed an efficient electrochemical method for the [3 + 2] annulation of imidazo[1,2-a]pyridines with alkynes, using traceless electrons as green reagents. It leads to the synthesis of a large class of polycyclic heteroaromatics with good yields and a broad substrate scope under mild and green conditions.
Article
Chemistry, Physical
Jorge Cored, Jaime Mazario, Cristina Cerda-Moreno, Pablo G. Lustemberg, M. Veronica Ganduglia-Pirovano, Marcelo E. Domine, Patricia Concepcion
Summary: Enhanced methanol production is achieved by using a specific precursor catalyst, leading to the stabilization of Cu+ ions under reaction conditions, and the importance of monodentate formate species in methanol synthesis is highlighted.
Article
Chemistry, Physical
Malik M. Mohammed, Hayder A. Alalwan, Alaa Alminshid, Saif Ali Mohammed Hussein, Mohammed Fakhir Mohammed
Summary: The study evaluated the removal efficiency of sulfur compounds from heavy naphtha using oxidation and adsorption processes. IPAC showed superior performance in both oxidation and adsorption due to its physicochemical properties. The maximum desulfurization efficiency achieved was 97% for IPAC and 93% for CPZ13X, with adsorption capacities of 21.83 mg/g and 20.93 mg/g, respectively.
CATALYSIS COMMUNICATIONS
(2022)
Article
Chemistry, Organic
Huamin Wang, Wenjing Niu, Yongjun He, Yibo Wei, Xianxian Li, Ying-Wu Lin
Summary: We report a general and effective system for the cyclization of beta-trifluoromethyl enones with amidines using 1,3-diiodo-5,5-dimethylhydantoin (DIH) as a catalyst. This reaction provides a range of trifluoromethylated 2-imidazolines in high yields and good diastereoselectivities, with good tolerance towards functional groups. Additionally, a one-pot synthesis of trifluoromethylated imidazoles via sequential cyclization and oxidation is demonstrated. The reaction mechanism is verified by ESI-MS studies, confirming a reasonable proposed mechanism.
JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Chemistry, Organic
Xiao-Xiao Yu, Peng Zhao, You Zhou, Chun Huang, Li-Sheng Wang, Yan-Dong Wu, An-Xin Wu
Summary: The novel iodine promoted cyclization reaction provides a straightforward method for constructing 2-hydroxy-pyrrol-3(2H)-ones from enaminones and aryl methyl ketones. This strategy yields structurally diverse 2-hydroxy-pyrrol-3(2H)-ones rings in high yields and efficiently constructs a quarternary alcohol. Product purification is simplified by washing with CH2Cl2 solvent, showcasing an example of group-assisted purification chemistry.
JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Chemistry, Applied
Huimin Jin, Fan Zhou, Zhenhua Xiang, Lingfeng Chen, Guang Liang, Patrick J. Walsh, Jie Li
Summary: This paper describes a base-promoted net-[3+2] cycloaddition of nitriles and 1-arylpropynes for the synthesis of pyrroles. The developed method provides a convenient access to various 2,5-disubstituted or 2,4,5-trisubstituted pyrroles in yields of 40% to 96% (32 examples). Among methods for the synthesis of pyrroles, the protocol presented here stands out for its convenience and atom-economy.
ADVANCED SYNTHESIS & CATALYSIS
(2023)
Article
Chemistry, Applied
Kim Christopher C. Aganda, Boseok Hong, Anna Lee
Summary: A visible-light-promoted synthesis of quinoxalin-2(1H)-ones was developed using 9-mesityl-10-methylacridinium perchlorate as an organo-photocatalyst, enabling selective synthesis of hydroxyl- and acyl-containing quinoxalin-2(1H)-ones in mild conditions without metal catalysts or toxic reagents. Fluorescent labelling experiment demonstrated potential biological applications of hydroxyl-containing quinoxalin-2(1H)-ones as potent fluorophores.
ADVANCED SYNTHESIS & CATALYSIS
(2021)
Article
Chemistry, Organic
Anwesha Bhattacharya, Nayanthara Ramesh Babu, Debashruti Bandyopadhyay, Saravanan Peruncheralathan
Summary: In the presence of Cu(OTf)(2) (5 mol %) and KO(t)Bu, a synergistic effect of the N-arylation process on 2-amino-3-arylquinolines is observed. This method provides a wide variety of norneocryptolepine analogues with good to excellent yields within 4 hours. The reaction proceeds via the SNAr pathway and the one-pot, two-step double heteroannulation procedure is highly atom-efficient.
JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Chemistry, Organic
Xiaoqiang Lei, Juan Feng, Qinglan Guo, Chengbo Xu, Jiangong Shi
Summary: A concise and practical strategy for the synthesis of functionalized rhodanine derivatives is developed via a potassium-carbonate-mediated [3 + 2] -cycloaddition reaction. The strategy exhibits a wide substrate scope and good functional group tolerance, enabling the synthesis of natural product derivatives containing rhodamine skeletons.
Article
Chemistry, Organic
Hongyi Wang, Juan Li, Lingzi Peng, Jin Song, Chang Guo
Summary: Chiral fluorinated amino esters and pyrrolidines are important scaffolds in synthetic chemistry with unique biological properties. This study presents a facile method for their preparation through copper-catalyzed defluoroalkylation and cycloaddition reactions, using specific solvents and chiral ligands, leading to the generation of enantioenriched fluorinated building blocks.
Article
Chemistry, Inorganic & Nuclear
Vaibhav Bedi, Dipendu Mandal, Zahid Hussain, Shi-Ming Chen, Yile Wu, Zheng-Wang Qu, Stefan Grimme, Douglas W. Stephan
Summary: The reaction of (tBuO(2)CN)(2) with 9-BBN leads to the formation of a bicyclic heterocyclic compound, while its reactions with BF3 or [Et3Si][B(C6F5)(4)] result in the isolation of different compounds. Computational studies reveal that the steric and electronic properties of the Lewis acid are important in the formation of one of the compounds.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Chisa Itoh, Haruka Yoshino, Taku Kitayama, Wataru Kosaka, Hitoshi Miyasaka
Summary: A new synthetic route for constructing functional paddlewheel diruthenium(II,II) complexes was developed, utilizing Schiff base condensation reactions. The attached Schiff base groups significantly affected the electronic states of the resulting complexes, as revealed by cyclic voltammetry and DFT calculations.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Danrui Ni, Haozhe Wang, Xianghan Xu, Weiwei Xie, Robert J. Cava
Summary: A layered rhombohedral polymorph of indium(iii) triiodide is synthesized at high pressure and temperature. It has an orange color, which is different from ambient pressure InI3, which has a monoclinic molecular structure and a light-yellow color.
DALTON TRANSACTIONS
(2024)
Review
Chemistry, Inorganic & Nuclear
Juan Carlos Perez-Sanchez, Raquel P. Herrera, M. Concepcion Gimeno
Summary: Gold(II) complexes have been less utilized in catalysis compared to their gold(I) and gold(III) counterparts. However, gold(II) complexes offer potential in homo-coupling and cross-coupling reactions, as they are more easily accessible through simplified oxidation and reduction processes. Gold(II) exhibits characteristics of both soft acid gold(I) and hard acid gold(III). This review explores the unique reactivity and potential applications of gold(II) species, highlighting their significance in catalytic transformations.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Nighat Yousuf, Yanping Ma, Qaiser Mahmood, Wenjuan Zhang, Yizhou Wang, Hassan Saeed, Wen-Hua Sun
Summary: In this study, a series of structurally rigid cyclooctyl-fused iminopyridine iron complexes were synthesized and used with methylaluminoxane for isoprene polymerization. The extent of steric hindrance of the ligand framework was found to significantly affect catalytic performance, with less hindrance leading to better activity and stability.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Chenghao Song, Huiwei Du, Menglei Xu, Jie Yang, Xinyu Zhang, Jungan Wang, Yuanfang Zhang, Chengjun Gu, Rui Li, Tao Hong, Jingji Zhang, Jiangying Wang, Yongchun Ye
Summary: This study improves the performance of perovskite solar cells by using a dual-hole transport layer strategy. This strategy enhances the charge transfer efficiency of the transport layer, reduces charge recombination, and improves the quality of the perovskite film layer. Ultimately, the stability of the device is enhanced.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Mahender Singh, Aakash Yadav, Ranjit Singh, Chullikkattil P. Pradeep
Summary: A new aryl selenonium polyoxometalate hybrid was developed and compared with an aryl sulfonium polyoxometalate hybrid in terms of their photocatalytic properties. It was found that the aryl selenonium hybrid exhibited better catalytic performance, which could be attributed to the larger atomic radii of selenium stabilizing the photogenerated electron-hole pair more efficiently. Additionally, the generation of elemental selenium through cleavage of C-Se bonds during catalysis was observed.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Yuhan Xie, Boyu Dong, Xuemin Wang, Siyuan Wang, Jinxi Chen, Yongbing Lou
Summary: This study successfully fabricated visible-light-responsive three-dimensional core-shell CoSe2/ZnIn2S4 heterostructures and achieved attractive activity in photocatalytic hydrogen evolution. The presence of CoSe2 improved light absorption and accelerated charge transfer kinetics. The strong interaction between CoSe2 and ZnIn2S4 reduced charge recombination, further enhancing photocatalytic activity for hydrogen evolution.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Andre L. de O. Batista, Joao Marcos T. Palheta, Mauricio J. Piotrowski, Celso R. C. Rego, Diego Guedes-Sobrinho, Alexandre C. Dias
Summary: This study presents a simulation protocol that provides a solid foundation for exploring two-dimensional materials. Using the TiBr2 2H monolayer as an example, the study reveals its promising properties for optoelectronic and valleytronic applications, including its stability, spin-orbit coupling effects, and optical helicity selection rule.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Jiang Jiang, Zi-Wei Li, Zhi-Zhuan Zhang, Bin Tan, Zhao-Feng Wu, Xiao-Ying Huang
Summary: In this work, two metal organic frameworks (MOFs) containing {Cu2I2} clusters, Eu-CuI-INA and Sr-K-CuI-INA, were synthesized and characterized. Both materials have a three-dimensional structure with {Cu2I2} clusters coordinated by INA(-) ligands and Eu3+ or Sr2+ ions. The Sr-K-CuI-INA material exhibited sensitive fluorescence sensing behaviors towards cysteine and nitro-bearing molecules, showing potential applications in bio and explosive molecule sensing. This work provides a good reference for designing fluorescent MOF probes containing CuI molecules.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Zhiya Lin, Jiasheng Wu, Qianwen Ye, Yulong Chen, Hai Jia, Xiaohui Huang, Shaoming Ying
Summary: Na-ion batteries (NIBs) have attracted great interest as a potential technology for grid-scale energy storage due to the wide distribution, low cost, and environmental friendliness of sodium resources. However, their implementation is hindered by low rate capability and cycling stability caused by the large ionic size of Na+. In this study, a three-dimensional nanoarchitectured coral-like CoSe2@N-doped carbon (CL-CoSe2@NC) was synthesized, and it exhibited improved sodium storage properties with better electrode kinetics and a stable SEI film.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Ya-Qiong Zhang, Yu Zhang, Guoping Zeng, Rong-Zhen Liao, Man Li
Summary: The mechanism and selectivity of CO2 reduction under visible light were investigated using density functional calculations. The results showed that a tetradentate PNNP-type Iridium(III) complex exhibited high activity and selectivity in the reaction.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Sanyukta Ghosh, Shubhanth Jain, Soumya Ranjan Mishra, Gerda Rogl, Peter Rogl, Ernst Bauer, B. S. Murty, A. Govindaraj, Ramesh Chandra Mallik
Summary: In this study, reduced graphene oxide (rGO) was uniformly dispersed in the In0.5Co4Sb12 bulk material by ultrasonication, which effectively reduced the lattice thermal conductivity and improved the thermoelectric efficiency.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Mika Takeuchi, Yutaka Amao
Summary: This study developed an effective visible-light driven system for fumaric acid production using renewable resources such as biomass derivatives, providing an alternative to the current petroleum-based synthesis methods.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Juan Jian, Meiting Wang, Zhuo Wang, Jingwen Meng, Yuqin Yang, Limin Chang
Summary: Developing low-cost and self-supported bifunctional catalysts is crucial for highly efficient water splitting devices. In this study, nano-NiFe2O4 was directly grown onto iron foil surface and Sn4+ was introduced into the NiFe2O4. The resulting Sn-NiFe2O4/IF showed low overpotentials and high current densities during oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), making it a promising catalyst for large-scale hydrogen production.
DALTON TRANSACTIONS
(2024)