Article
Chemistry, Organic
Zhenke Yang, Jidan Liu, Yuting Li, Jiawen Ding, Liyao Zheng, Zhao-Qing Liu
Summary: The one-pot three-component synthesis of multifunctionalized isoquinolones using Rh(III)-catalyzed oxazolinyl-directed C-H activation and tandem annulation has shown great potential due to its readily available starting materials, wide tolerance of functional groups, short reaction time, and high yields. The synthetic utility of the cascade reaction was further demonstrated by gram-scale synthesis and derivatization of the obtained products.
JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Organic
Zhenke Yang, Jidan Liu, Yuting Li, Jiawen Ding, Liyao Zheng, Zhao-Qing Liu
Summary: A one-pot three-component synthesis method for the preparation of multifunctionalized isoquinolones via Rh(III)-catalyzed C-H activation and tandem annulation has been developed. The catalytic system shows readily available starting materials, a wide tolerance of functional groups, a short reaction time, and high yields. The synthetic utility of the reaction is demonstrated by gram-scale synthesis and derivatization of the obtained products.
JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Organic
Tsubasa Mimuro, Akihiro Yoshida, Kazuyuki Kamo, Manabu Hirasawa, Shin-ichi Kondo
Summary: Highly soluble bisurea derivatives with 1,2-phenoxyethane and 1,2-ethoxyethane moieties were designed and prepared as spacer groups. The solubilities and anion recognition abilities of these receptors were evaluated. The receptors showed good solubilities in various organic solvents and allowed for the association of anions under concentrated conditions for the solubilisation of salts.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2023)
Article
Chemistry, Organic
Yan-Rui Zhao, Lei Li, Jun Xuan
Summary: A general and efficient three-component protocol for the synthesis of isoxazolidines has been developed, allowing the generation of N-aryl isoxazolidine derivatives with moderate to excellent yields using a range of nitrosoarenes, olefins, and iodonium ylides. Additionally, this approach demonstrates the 1,3-dipolar cycloaddition of nitrones generated in situ from iodonium ylides and nitroso compounds with olefins in the absence of any catalysts and additives.
Article
Engineering, Environmental
Haibin Yuan, Jiacai Wang, Shaoxia Xu, Jingxu Yang, Dehua Xu, Zhengjuan Yan, Xinlong Wang
Summary: A new strategy was developed to stabilize the preparation of highly water-soluble ammonium polyphosphate (APP) by adding Mg2+ and SO42- ions to the raw materials. This approach improved the solubility of the product, simplified the production process, and reduced the cost. The use of wet-process phosphoric acid (WPA) as a raw material yielded a product with superior solubility than conventional phosphate fertilizers.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Hong Chen, Timur Borjigin, Christophe Regeard, Pu Xiao, Frederic Dumur, Jacques Lalevee
Summary: In this study, two novel carbazole derivatives were synthesized, both of which are highly soluble in water, with a solubility exceeding 7% in weight. These compounds can be used as highly efficient water-soluble photoinitiators in conjunction with co-initiators. Additionally, hydrogels containing silver nanoparticles can be prepared using these synthesized carbazole derivatives, and they exhibit antibacterial activity.
Article
Metallurgy & Metallurgical Engineering
Cheng Zheng-chun, Fang Yin-yu, Wang Ai-Fei, Ma Tao-tao, Liu Fang, Gao Song, Yan Su-hao, Di Yi, Qin Tian-shi
Summary: A series of shape-persistent polyphenylene dendritic C-60 derivatives were designed and synthesized to enhance solubility as electron transport materials for perovskite solar cells. These derivatives, particularly C-60-G1 and C-60-G2, showed significantly higher solubility and promising solution-processabilities, leading to a maximum power conversion efficiency of 14.7% in planar p-i-n structural perovskite solar cells.
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2021)
Article
Chemistry, Organic
Wei Wu, Xiao Yan, Xiaofeng Li, Yanqiang Ning, Lei Hu, Lei Zhu, Qin Ouyang, Yungui Peng
Summary: An array of chiral [1,2,4]triazino[5,4-a]isoquinoline derivatives were synthesized in excellent yields and enantioselectivities through a new highly asymmetric (3 + 3) cycloaddition reaction. The reaction was facilitated by a bifunctional chiral phasetransfer catalyst and density functional theory calculations revealed the catalyst's role in the deprotonation/protonation process. The obtained products were transformed into densely functionalized polycyclic heterocompounds with multiple stereocenters.
Article
Chemistry, Multidisciplinary
Vikram Singh, Seongyeon Kwon, Yunseop Choi, Seongmo Ahn, Gyumin Kang, Yelim Yi, Mi Hee Lim, Jongcheol Seo, Mu-Hyun Baik, Hye Ryung Byon
Summary: Organic redox-active molecules, specifically naphthalene diimide (NDI) molecules, are used to improve the performance of redox flow batteries by regulating pi-pi interactions. The long-range pi-stacking of NDI molecules is disrupted by attaching ammonium functionalities, leading to increased solubility in water. This arrangement enables clustering and disassembling of the NDI molecules during electron-transfer processes, resulting in excellent battery performance.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Medicinal
Jinyun Dong, Guang Huang, Qing Cui, Qingqing Meng, Shaoshun Li, Jiahua Cui
Summary: A series of 6,7,10-trimethoxy-alpha-naphthoflavone derivatives with variations in B ring were synthesized and screened, leading to the identification of fluorine-containing compound 15i as the most potent and selective CYP1B1 inhibitor. Amino-substituted derivative 13h showed potent inhibitory effect on CYP1B1 and increased water solubility compared to the lead molecule ANF.
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
(2021)
Article
Polymer Science
Yu-Shuai Yang, Ze Li, Kai-Jie Zhang, Sheng Yang
Summary: This study prepared water-soluble inclusion complexes of Altrenogest using the freeze-drying method, in order to improve its solubility in water and broaden its clinical applications. The inclusion complexes were characterized by various analytical techniques, and the solubility of Altrenogest in the complexes was significantly increased. In addition, the sustained-release silica gel suppositories of the inclusion complexes demonstrated better sustained-release effects. Overall, the inclusion complexes showed good stability and can be easily produced through an industrialized process.
Article
Polymer Science
Jiacheng Yang, Wenshi Ma, Dechao Hu, Dongqiao Zhang, Li Wu, Bo Yang, Shuanghong Zhang
Summary: A novel and efficient flame retardant cyclophosphazene derivative HACP was successfully prepared and incorporated into addition-cure liquid silicone rubber, significantly enhancing the flame resistance of the rubber. The flame-retardant mechanism of ALSR/HACP composites was investigated, providing valuable inspiration for the fabrication of highly flame-retardant polymer composites.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Gaganpreet Kaur, Jacek B. Jasinski, Fabrice Gallou, Sachin Handa
Summary: A novel strategy has been developed to spontaneously form ligand-free Pd(0) nanoparticles from water- and air-sensitive Pd(2)dba(3) in water. These naturally formed NPs are more efficient than synthetic NPs formed under a hydrogen atmosphere and traditional NPs formed using the air-sensitive Grignard reagent.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Riyadh Hasan Mohammed Ali, Ahmed Hjazi, Herlina Uinarni, Sarah Salah Jalal, Saurabh Aggarwal, Sherzod Shukhratovich Abdullaev, Mohammed Kadhem Abid, Abbas Firras Almuala, Ali Alsaalamy, Rohollah Fathollahi
Summary: In this study, a novel bi-functional inorganic-organic hybrid magnetic nanocatalyst was used to synthesize compounds with great selectivity. The nanocatalyst has advantages such as simple synthesis, environmental friendliness, and high catalytic activity.
Article
Chemistry, Multidisciplinary
Abdolkarim Zare, Jaleh Atashrooz, Mohammad Mehdi Eskandari
Summary: The nanorod-structured organic-inorganic hybrid material N-[SPIS][TFA] has been successfully utilized as a highly efficient, dual-functional, and recoverable catalyst for the solvent-free synthesis of 3,3'-(arylmethylene)-bis(2-hydroxynaphthoquinone) derivatives in short reaction times and high yields.
RESEARCH ON CHEMICAL INTERMEDIATES
(2021)
Article
Engineering, Chemical
Dahai Jiang, Zhidi Min, Jing Leng, Huanqing Niu, Yong Chen, Dong Liu, Chenjie Zhu, Ming Li, Wei Zhuang, Hanjie Ying
Summary: In this study, two novel class III ACs with halophilic property were discovered from Thermobifida halotolerans DSM 44931 (ThAC) and Haloactinopolyspora alba DSM 45211 (HaAC), respectively. The presence of NaCl significantly enhanced the enzyme activities of ThAC and HaAC, and several divalent metal ions were found to activate the recombinant ACs to different extents. This is the first report of halophilic Class III ACs, which is important for further investigations.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Inorganic & Nuclear
Briana R. Schrage, Eugeny Ermilov, Victor N. Nemykin
Summary: The formation and deactivation of charge-separated state was investigated in a series of compounds using transient absorption spectra. The lifetime of the charge-separated state was nearly constant for all compounds and independent of the central ion and solvent. A minor long-lived component was observed in polar solvent.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2022)
Article
Agricultural Engineering
Yanjun Chen, Junqiang Shan, Yulian Cao, Xin Shen, Chenglun Tang, Ming Li, Wei Zhuang, Chenjie Zhu, Hanjie Ying
Summary: Mechanocatalytic depolymerization of hemicellulose from corncob was achieved through a weak alkali-oxidation pretreatment. The study systematically investigated the effects of impregnation solvent, acid catalyst type and dosage, and ball-milling time on the depolymerization process. A mathematical model based on Kamlet-Taft parameters was proposed to explain the relationship between reaction conversion and solvent properties. The optimal conditions resulted in high conversion of hemicellulose to xylooligosaccharides.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Chemistry, Inorganic & Nuclear
Victor N. Nemykin, Briana R. Schrage, Dustin E. Nevonen, Laurel A. Harrison, Kelly M. E. Newman, Vinod K. Paidi, Johan van Lierop
Summary: The properties of ((PcFe)-Fe-(tBu)4)(2)O and ((PyPcFe)-Fe-(tBu)4)(2)O complexes were investigated using various spectroscopic, electrochemical, and theoretical methods. Different isomers were observed for ((PcFe)-Fe-(tBu)4)(2)O in the solid state and in solution. The UV-vis spectra and MCD spectra of the complexes were analyzed using exciton coupling theory and TDDFT calculations.
INORGANIC CHEMISTRY
(2023)
Article
Polymer Science
Tong Zhou, Bo Pang, Xue-Fei Cao, Ningzhong Bao, Chen-Jie Zhu, Zhuohua Sun, Sheng Yang, Tong-Qi Yuan
Summary: The study recommends the use of reed straw to produce reed-based particleboards (RPs). Sieving and hydrothermal pre-treatments were conducted to reduce the adverse influence of the waxy layer on the mechanical strength of RPs. The obtained RPs showed promising mechanical and carbon sequestration properties.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Kuangguo Yan, Haiquan Chen, Chenjie Zhu, Zhao Ke, Dongwu Li, Mengxia Wang, Fengna Dai, Youhai Yu
Summary: Two novel electrochromic aromatic polyimides (TPA-BIA-PI and TPA-BIB-PI) were synthesized through a two-step polymerization process. The films of these polyimides showed reversible color change and exhibited potential application as electrochromic materials.
Review
Biochemistry & Molecular Biology
Irina A. Mironova, Dmitrii M. Noskov, Akira Yoshimura, Mekhman S. Yusubov, Viktor V. Zhdankin
Summary: Hypervalent iodine reagents, specifically benziodoxoles, have shown improved thermal stability and synthetic versatility compared to their acyclic analogs. These reagents have found wide applications in direct arylation, alkenylation, and alkynylation reactions under mild conditions, including transition metal-free and photoredox and transition metal catalysis. They enable the synthesis of valuable and structurally diverse complex products through convenient procedures.
Article
Polymer Science
Haoyu Long, Hongsen Xu, Jingwen Shaoyu, Tianchen Jiang, Wei Zhuang, Ming Li, Junyang Jin, Lei Ji, Hanjie Ying, Chenjie Zhu
Summary: The preparation of biodegradable polymer foams with a stable high volume-expansion ratio (VER) is challenging. In this study, the addition of polylactic acid (PLA) to poly (butylene adipate-co-terephthalate) (PBAT) was found to reduce shrinkage and improve the foamability of PBAT during the supercritical molded-bead foaming process. By using the CO2 and N-2 composite gas method, the foam-shrinkage performance was further inhibited and a stable cell structure with high VER was achieved.
Article
Biotechnology & Applied Microbiology
Yulian Cao, Haifeng Liu, Junqiang Shan, Baijun Sun, Yanjun Chen, Lei Ji, Xingxiang Ji, Jian Wang, Chenjie Zhu, Hanjie Ying
Summary: In this study, wheat straw was fractionated into carbohydrates (cellulose and hemicellulose) by ammonia-mechanical pretreatment for l-lactic acid fermentation. The delignification rate was over 60% under optimal conditions. After enzymatic hydrolysis, the maximum conversions of cellulose and hemicellulose were 92.5% and 83.4% respectively, based on the pretreatment residue. The wheat straw hydrolysate was used to produce l-lactic acid with Thermoanaerobacter sp. DH-217G, achieving a yield of 88.6% and an optical purity of 99.2%. Ammonia-mechanical pretreatment is an economical method for producing fermentable monosaccharides, with potential for further downstream high-value applications.
FERMENTATION-BASEL
(2023)
Review
Biochemistry & Molecular Biology
Zhengzhe Wu, Xiran Lin, Jiye Teng, Ming Li, Junlong Song, Caoxing Huang, Runguo Wang, Hanjie Ying, Liqun Zhang, Chenjie Zhu
Summary: This review summarizes recent advances in the functionalization and effective dispersion of lignin in rubber composites. Significant progress has been achieved in the development of high-performance and advanced functional rubber/lignin composites through careful design of additive structure and interface morphology. The effect of lignin on composite properties and future development are critically analyzed.
Article
Agricultural Engineering
Chen Yang, Tao Shen, Zhuotao Tan, Wei Zhuang, Chenjie Zhu, Ming Li, Hanjie Ying
Summary: This study designed a novel shape memory polymer with high lignin content and high transition temperature (>150 degrees C) through the modification of lignin. The PA/MAL series demonstrated improved mechanical properties and well-integrated interfacial morphologies compared to the PA/SL series, enabling efficient shape memory performance.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Chemistry, Physical
Sayantan Bhattacharya, Dustin E. Nevonen, Alexander J. Auty, Arthur Graf, Martin Appleby, Nivedita Chaudhri, Dimitri Chekulaev, Christian Bruckner, Adrien A. P. Chauvet, Victor N. Nemykin
Summary: The introduction of three ss-oxosubstituents to octaethylporphyrin generates the aromatic trioxopyrrocorphin chromophore. Photophysical characteristics of these chromophores, including UV-vis and magnetic circular dichroism spectra, conform to the Gouterman model of porphyrinoid optical spectra. The study also reveals that the introduction of ss-oxo functionalities tunes the photophysical properties of porphyrinoids, increasing intersystem crossing rate and shortening triplet state lifetime.
JOURNAL OF PHYSICAL CHEMISTRY A
(2023)
Article
Chemistry, Physical
Dustin E. Nevonen, Jenna C. Wagner, Christian Bru''ckner, Christopher J. Ziegler, Victor N. Nemykin
Summary: We systematically investigated Ag(II) and Ag(III) complexes of porphyrins and their analogues using UV-vis magnetic circular dichroism (MCD) spectroscopies and theoretical calculations. Ag(II) and Ag(III) octaethyl- and tetraarylporphyrins showed a typical sign sequence in the Q-band region of their MCD spectra, indicating an HOMO > LUMO relationship. However, Ag(II) complexes of β,β’-pyrrole-modified porphyrins and Ag(III) corroles showed reverse features in the MCD spectra, with an HOMO < LUMO relationship. The Ag(III) complex of N-confused porphyrin exhibited an HOMO > LUMO relationship in the neutral state and an HOMO < LUMO relationship in the protonated form.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Review
Chemistry, Inorganic & Nuclear
Christopher J. Ziegler, Victor N. Nemykin
Summary: This Frontier article discusses the influence of axial ligands on the spectroscopic and redox properties of iron(ii) phthalocyanines, covering topics such as oxidation and reduction processes, charge transfer transitions, and the role of axial ligands in binding.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Physical
Sayantan Bhattacharya, Dustin E. Nevonen, Alexander J. Auty, Arthur Graf, Martin Appleby, Nivedita Chaudhri, Dimitri Chekulaev, Christian Bruckner, Adrien A. P. Chauvet, Victor N. Nemykin
Summary: The introduction of three ss-oxosubstituents to octaethylporphyrin generates the trioxopyrrocorphin chromophore, which possesses considerable aromatic character. This study explores the photophysical characteristics of these unusual chromophores and reveals that the ss-oxo substitutions can tune the photophysical properties of porphyrinoids and enhance singlet oxygen yield.
JOURNAL OF PHYSICAL CHEMISTRY A
(2023)
Review
Chemistry, Multidisciplinary
Dan He, Yawen Li, Fuwen Zhao, Yuze Lin
Summary: High trap density in organic solar cells leads to localized charge carriers and reduced carrier lifetime, limiting device efficiency. This feature article summarizes the recent advances of trap suppression by material design and device engineering.
CHEMICAL COMMUNICATIONS
(2024)
Review
Chemistry, Multidisciplinary
Olivier Monfort, Arshitha Madhusudhan, Martin Motola
Summary: This article presents the advantages of coupling photocatalysis and Fenton-based processes for environmental remediation and discusses their synergy. It critically examines the simultaneous triggering of these two processes and provides insights into research approaches. The study aims to enhance understanding of this complex process and highlight the potential integration of new catalysts in current wastewater treatment technology.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Manideepa Dhar, Chittaranjan Mishra, Avijit Das, Uttam Manna
Summary: An approach of 'polymerization of monomers in its aggregated form' has been introduced to tailor the water wettability of fibrous and porous substrates, achieving hydrophobicity to superhydrophobicity transition, as well as patterned wettability. This facile chemical method provides a durable coating with adjustable and patterned wettability for various potential applications.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Saswat Ranjan Bhoi, Chhanda Debnath, Shikha Gandhi
Summary: In this article, a novel catalytic reaction using Pd(0) and Bronsted acid is reported for the synthesis of biologically important imidazolidinone-fused N-heterocycles through redox-neutral intramolecular N-allylation of indoles and pyrroles with alkynes. This atom-economical method is applicable to a wide range of substrates and eliminates the need for leaving groups or oxidizing agents commonly used in traditional allylation reactions.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Longkun Chen, Mingshuai Zhang, Meichen Liu, Zhuoyuan Liu, Yuetong Qiu, Zhilai Zhang, Fuchao Yu, Jiuzhong Huang
Summary: In this study, an efficient Rh(III)-catalyzed selective mono- and dual-C-H bond functionalization/cyclization with iodonium ylide as the sole coupling partner was demonstrated. Fused benzodiazepine skeletons were obtained in excellent yields, providing an improved approach to dual C-H unsymmetrical functionalization.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Alice Kennett, Sven Epple, Gabriella van der Valk, Irene Georgiou, Evelyne Gout, Romain R. Vives, Angela J. Russell
Summary: This study presents the design and synthesis of sulfated disaccharide inhibitors based on IdoA(2S)-GlcNS(6S), which showed potent inhibition of Sulf-2. The results suggest that IdoA(2S)-GlcNS(6S) is the shortest fragment size required for effective inhibition of Sulfs, and a trisulfated disaccharide is identified as the minimal fragment size of heparan sulfate for effective endosulfatase inhibition.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Mauro Garbini, Andrea Brunetti, Riccardo Pedrazzani, Magda Monari, Massimo Marcaccio, Giulio Bertuzzi, Marco Bandini
Summary: The self-adaptability of galvanostatic electrolysis was found to be helpful in a multistage chemo- and diastereoselective electrochemically promoted cyclodimerization of chalcones. Through a series of reductive events, densely functionalized cyclopentanes with five contiguous stereocenters were obtained (25 examples, yields up to 95%, dr values up to >20:1). Further experimental and electrochemical investigations indicated the crucial role of dynamic kinetic resolution of the aldol intermediate in the reaction mechanism.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar
Summary: In this study, the synthesis of functionalized benzo[a]phenazines and indazolo[2,3-a]quinolines was achieved through Rh(III)-catalyzed oxidative annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols. The method showed a wide substrate scope, excellent functional group tolerance, good to high yields of annulated products, and the capability for scaled-up synthesis. A tentative mechanism of the annulation reaction was proposed based on a preliminary mechanistic investigation.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Ruonan Zhang, Abudukadi Tudi, Xia Yang, Xuping Wang, Zhihua Yang, Shujuan Han, Shilie Pan
Summary: A new lead tellurium borate material with a unique fundamental building block [B4O10] was synthesized and found to exhibit high birefringence. The structure-property relationship was discussed using first-principles calculations.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Amresh Kumar Singh, Baishali Thakurta, Anupam Giri, Monalisa Pal
Summary: This study introduces three key concepts for the quick synthesis of large-scale high-quality 2D materials films and their utilization in device fabrication.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Reina Hagiwara, Shun Nishimura, Kosuke Okeyoshi
Summary: A copolymer-conjugated nanocatalytic system has been developed to improve electron transfer and enhance photoinduced H2 generation.
CHEMICAL COMMUNICATIONS
(2024)
