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Ezquerra Riega SD, Gutierrez Suburu ME, Rodríguez HB, Lantaño B, Kleinschmidt M, Marian CM, Strassert CA. A Case-Study on the Photophysics of Chalcogen-Substituted Zinc(II) Phthalocyanines. Chemistry 2024; 30:e202304083. [PMID: 38647352 DOI: 10.1002/chem.202304083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Indexed: 04/25/2024]
Abstract
Singlet dioxygen has been widely applied in different disciplines such as medicine (photodynamic therapy or blood sterilization), remediation (wastewater treatment) or industrial processes (fine chemicals synthesis). Particularly, it can be conveniently generated by energy transfer between a photosensitizer's triplet state and triplet dioxygen upon irradiation with visible light. Among the best photosensitizers, substituted zinc(II) phthalocyanines are prominent due to their excellent photophysical properties, which can be tuned by structural modifications, such as halogen- and chalcogen-atom substitution. These patterns allow for the enhancement of spin-orbit coupling, commonly attributed to the heavy atom effect, which correlates with the atomic number ( Z ${Z}$ ) and the spin-orbit coupling constant ( ζ ${\zeta }$ ) of the introduced heteroatom. Herein, a fully systematic analysis of the effect exerted by chalcogen atoms on the photophysical characteristics (absorption and fluorescence properties, lifetimes and singlet dioxygen photogeneration), involving 30 custom-made β-tetrasubstituted chalcogen-bearing zinc(II) phthalocyanines is described and evaluated regarding the heavy atom effect. Besides, the intersystem crossing rate constants are estimated by several independent methods and a quantitative profile of the heavy atom is provided by using linear correlations between relative intersystem crossing rates and relative atomic numbers. Good linear trends for both intersystem crossing rates (S1-T1 and T1-S0) were obtained, with a dependency on the atomic number and the spin-orbit coupling constant scaling asZ 0 . 4 ${{Z}^{0.4}}$ andζ 0 . 2 ${{\zeta }^{0.2}}$ , respectively The trend shows to be independent of the solvent and temperature.
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Affiliation(s)
- Sergio D Ezquerra Riega
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Junín 956, C1113AAD, Buenos Aires, Argentina
- Universidad de Buenos Aires, Instituto de Tecnología Farmacéutica y Biofarmacia (InTecFyB), Junín 956, C1113AAD, Buenos Aires, Argentina
- CONICET - Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE); Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, UBA., Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Matías E Gutierrez Suburu
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstraße 28/30, D-48149, Münster, Germany
- CeNTech, SoN, CiMIC, Universität Münster, Heisenbergstraße 11, D-48149, Münster, Germany
| | - Hernán B Rodríguez
- CONICET - Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE); Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, UBA., Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Beatriz Lantaño
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Junín 956, C1113AAD, Buenos Aires, Argentina
- Universidad de Buenos Aires, Instituto de Tecnología Farmacéutica y Biofarmacia (InTecFyB), Junín 956, C1113AAD, Buenos Aires, Argentina
| | - Martin Kleinschmidt
- Institut für Theoretische Chemie und Computerchemie, Fakultät für Mathematik und Naturwissenschaften, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Christel M Marian
- Institut für Theoretische Chemie und Computerchemie, Fakultät für Mathematik und Naturwissenschaften, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstraße 28/30, D-48149, Münster, Germany
- CeNTech, SoN, CiMIC, Universität Münster, Heisenbergstraße 11, D-48149, Münster, Germany
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Hochegger P, Hermann T, Dolensky J, Seebacher W, Saf R, Pferschy-Wenzig EM, Kaiser M, Mäser P, Weis R. Structure-Activity Relationships and Antiplasmodial Potencies of Novel 3,4-Disubstituted 1,2,5-Oxadiazoles. Int J Mol Sci 2023; 24:14480. [PMID: 37833929 PMCID: PMC10572347 DOI: 10.3390/ijms241914480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
The 4-substituted 3-amino-1,2,5-oxadiazole 1 from the Malaria Box Project of the Medicines for Malaria Venture foundation shows very promising selectivity and in vitro activity against Plasmodium falciparum. Within the first series of new compounds, various 3-acylamino analogs were prepared. This paper now focuses on the investigation of the importance of the aromatic substituent in ring position 4. A number of new structure-activity relationships were elaborated, showing that antiplasmodial activity and selectivity strongly depend on the substitution pattern of the 4-phenyl moiety. In addition, physicochemical parameters relevant for drug development were calculated (logP and ligand efficiency) or determined experimentally (CYP3A4-inhibition and aqueous solubility). N-[4-(3-ethoxy-4-methoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-methylbenzamide 51 showed high in vitro activity against the chloroquine-sensitive strain NF54 of P. falciparum (PfNF54 IC50 = 0.034 µM), resulting in a very promising selectivity index of 1526.
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Affiliation(s)
- Patrick Hochegger
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (P.H.); (J.D.); (W.S.); (R.W.)
| | - Theresa Hermann
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (P.H.); (J.D.); (W.S.); (R.W.)
| | - Johanna Dolensky
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (P.H.); (J.D.); (W.S.); (R.W.)
| | - Werner Seebacher
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (P.H.); (J.D.); (W.S.); (R.W.)
| | - Robert Saf
- Institute for Chemistry and Technology of Materials (ICTM), Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria;
| | - Eva-Maria Pferschy-Wenzig
- Institute of Pharmaceutical Sciences, Pharmacognosy, University of Graz, Beethovenstraße 8, A-8010 Graz, Austria;
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute, Kreuzstraße 2, CH-4123 Allschwil, Switzerland; (M.K.); (P.M.)
- Faculty of Philosophy and Natural Sciences, University of Basel, Swiss TPH, Petersplatz 1, CH-4003 Basel, Switzerland
| | - Pascal Mäser
- Swiss Tropical and Public Health Institute, Kreuzstraße 2, CH-4123 Allschwil, Switzerland; (M.K.); (P.M.)
- Faculty of Philosophy and Natural Sciences, University of Basel, Swiss TPH, Petersplatz 1, CH-4003 Basel, Switzerland
| | - Robert Weis
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (P.H.); (J.D.); (W.S.); (R.W.)
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Li X, Yang SL, He HK, Zhang QR, Zhang N, Wang SJ. Aromatic diglycosides from Sophora tonkinensis and a multi-step conformer filtering procedure for TDDFT calculation of flexible glycoside. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2023; 25:411-421. [PMID: 35880466 DOI: 10.1080/10286020.2022.2100359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Three previously undescribed aromatic diglycosides (1, 5, and 8) and six known analogs (2-4, 6, 7, and 9) were isolated from the roots and rhizomes of Sophora tonkinensis Gagnep. Their structures were elucidated by detailed spectroscopic analysis. The absolute configuration of compound 8 was determined by comparing the experimental and TDDFT calculated ECD spectra of 8 and aglycone 8a. Furthermore, a multistep conformer filtering procedure for TDDFT calculation of flexible glycoside was proposed, which afforded high accuracy with acceptable computing cost in determining the absolute configuration of glycosides using quantum calculated ECD.
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Affiliation(s)
- Xin Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Sheng-Li Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hao-Ke He
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qian-Ru Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ning Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Su-Juan Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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Hermann T, Hochegger P, Dolensky J, Seebacher W, Saf R, Kaiser M, Mäser P, Weis R. New Acyl Derivatives of 3-Aminofurazanes and Their Antiplasmodial Activities. Pharmaceuticals (Basel) 2021; 14:ph14050412. [PMID: 33925485 PMCID: PMC8145535 DOI: 10.3390/ph14050412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/21/2021] [Accepted: 04/24/2021] [Indexed: 11/16/2022] Open
Abstract
An N-acylated furazan-3-amine of a Medicines for Malaria Venture (MMV) project has shown activity against different strains of Plasmodium falciparum. Seventeen new derivatives were prepared and tested in vitro for their activities against blood stages of two strains of Plasmodium falciparum. Several structure-activity relationships were revealed. The activity strongly depended on the nature of the acyl moiety. Only benzamides showed promising activity. The substitution pattern of their phenyl ring affected the activity and the cytotoxicity of compounds. In addition, physicochemical parameters were calculated (log P, log D, ligand efficiency) or determined experimentally (permeability) via a PAMPA. The N-(4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl)-3-(trifluoromethyl)benzamide possessed good physicochemical properties and showed high antiplasmodial activity against a chloroquine-sensitive strain (IC50(NF54) = 0.019 µM) and even higher antiplasmodial activity against a multiresistant strain (IC50(K1) = 0.007 µM). Compared to the MMV compound, the permeability and the activity against the multiresistant strain were improved.
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Affiliation(s)
- Theresa Hermann
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (T.H.); (J.D.); (W.S.); (R.W.)
| | - Patrick Hochegger
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (T.H.); (J.D.); (W.S.); (R.W.)
- Correspondence: ; Tel.: +43-316-380-5379; Fax: +43-316-380-9846
| | - Johanna Dolensky
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (T.H.); (J.D.); (W.S.); (R.W.)
| | - Werner Seebacher
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (T.H.); (J.D.); (W.S.); (R.W.)
| | - Robert Saf
- Institute for Chemistry and Technology of Materials (ICTM), Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria;
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute, Socinstraße 57, CH-4002 Basel, Switzerland; (M.K.); (P.M.)
| | - Pascal Mäser
- Swiss Tropical and Public Health Institute, Socinstraße 57, CH-4002 Basel, Switzerland; (M.K.); (P.M.)
| | - Robert Weis
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, A-8010 Graz, Austria; (T.H.); (J.D.); (W.S.); (R.W.)
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Li CY, Chang CC, Tsai YH, El-Shazly M, Wu CC, Wang SW, Hwang TL, Wei CK, Hohmann J, Yang ZJ, Cheng YB, Wu YC, Chang FR. Anti-inflammatory, Antiplatelet Aggregation, and Antiangiogenesis Polyketides from Epicoccum sorghinum: Toward an Understating of Its Biological Activities and Potential Applications. ACS OMEGA 2020; 5:11092-11099. [PMID: 32455230 PMCID: PMC7241018 DOI: 10.1021/acsomega.0c01000] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/24/2020] [Indexed: 05/28/2023]
Abstract
The ethyl acetate extract of an endophyte Epicoccum sorghinum exhibited anti-inflammatory activity at a concentration of <10 μg/mL. By bioassay-guided fractionation, one new compound, named epicorepoxydon A (1), and one unusual bioactive compound, 6-(hydroxymethyl)benzene-1,2,4-triol (6), together with six known compounds, were isolated from E. sorghinum. The structures of all isolates were established by spectroscopic analyses. The relative configuration of 1 was deduced by the NOESY spectrum and its absolute configuration was determined by X-ray single-crystal analysis. The biological activities of all isolates were evaluated using four types of bioassays including cytotoxicity, anti-inflammatory, antiplatelet aggregation, and antiangiogenesis activities. Compounds 4 and 6 showed potent anti-inflammatory activity, compound 2 possessed potent antiplatelet aggregation and antiangiogenesis activities, and compound 6 demonstrated antiangiogenesis activity. This fungal species can cause a human hemorrhagic disorder known as onyalai. In this study, we identified the active components with antiplatelet aggregation and antiangiogenesis activities, which may be related to the hemorrhagic disorder caused by this fungus. Moreover, we proposed a biosynthetic pathway of the isolated polyketide secondary metabolites and investigated their structure-activity relationship (SAR). Our results suggested that E. sorghinum is a potent source of biologically active compounds that can be developed as antiplatelet aggregation and anti-inflammatory agents.
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Affiliation(s)
- Chi-Ying Li
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ching-Chia Chang
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yi-Hong Tsai
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Mohamed El-Shazly
- Department
of Pharmacognosy, Faculty of Pharmacy, Ain-Shams
University, Organization of African Unity Street, Abassia, Cairo 11566, Egypt
- Department
of Pharmaceutical Biology, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
| | - Chin-Chung Wu
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Shih-Wei Wang
- Department
of Medicine, Mackay Medical College, New Taipei City 252, Taiwan
| | - Tsong-Long Hwang
- Graduate
Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
- Research
Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic
Safety, and Graduate Institute of Health Industry Technology, College
of Human Ecology, Chang Gung University
of Science and Technology, Taoyuan 333, Taiwan
- Department
of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Chien-Kei Wei
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Judit Hohmann
- Department
of Pharmacognosy, Interdisciplinary Excellence Center, University of Szeged, H-6720 Szeged, Hungary
- Interdisciplinary
Centre for Natural Products, University
of Szeged, H-6720 Szeged, Hungary
| | - Zih-Jie Yang
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yuan-Bin Cheng
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yang-Chang Wu
- Graduate
Institute of Integrated Medicine, China
Medical University, Taichung 404, Taiwan
- Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung 404, Taiwan
| | - Fang-Rong Chang
- Graduate
Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung
Medical University Hospital, Kaohsiung Medical
University, Kaohsiung 807, Taiwan
- Department
of Marine Biotechnology and Resources, National
Sun Yat-sen University, Kaohsiung 804, Taiwan
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Rojas AH, Zendri LG, Lafuente L, Ponzinibbio A, Vetere V. Synthesis of Potentially Bioactive Carbohydrate Derivatives by Chemoslective Hydrogenation with PdFe Catalyst. ChemistrySelect 2019. [DOI: 10.1002/slct.201903853] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Agustín H. Rojas
- Centro de Estudio de Compuestos Orgánicos (CEDECOR-UNLP-CIC) Calle 47 y 115, La Plata 1900 Argentina
| | - Lucía Garritano Zendri
- Departamento de Química, Facultad de Ciencias ExactasUniversidad Nacional de La Plata Calle 47 y 115 La Plata 1900 Argentina
| | - Leticia Lafuente
- Centro de Estudio de Compuestos Orgánicos (CEDECOR-UNLP-CIC) Calle 47 y 115, La Plata 1900 Argentina
| | - Agustín Ponzinibbio
- Centro de Estudio de Compuestos Orgánicos (CEDECOR-UNLP-CIC) Calle 47 y 115, La Plata 1900 Argentina
| | - Virginia Vetere
- Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco” (CINDECA-CCT La Plata-CONICET-UNLP) Calle 47 N° 257 La Plata 1900 Argentina
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Wang P, Liu X, Fu J, Chang Y, Yang L, Xu K. Synthesis and fluorescence spectral studies of novel quinolylbenzothiazole-based sensors for selective detection of Fe3+ ion. CAN J CHEM 2018. [DOI: 10.1139/cjc-2017-0741] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Four novel fluorescence sensors bearing a quinolylbenzothiazole platform were synthesized and characterized. The sensors displayed excellent selectivity and highly sensitive fluorescence response to Fe3+ ion in H2O/DMSO buffer solution (1:4 volume ratio; Tris-HCl, 0.01 mol/L; pH = 7.40) at 500 nm originating from quinolylbenzothiazole fluorophore group. Other cations, namely Li+, Na+, K+, Mg2+, Ca2+, Co2+, Ni2+, Cd2+, Cu2+, Zn2+, Mn2+, Ba2+, Pb2+, Hg2+, Al3+, and Eu3+, showed no appreciable change in fluorescence spectrum. The binding stoichiometry between sensors L1, L2, L3, or L4 and Fe3+ was observed to be 1:1 based on fluorescence titration and Jobs plot analysis. The detection limits of L1, L2, L3, and L4 for Fe3+ were found to be 0.155, 0.362, 0.249, and 0.517 μmol/L, respectively. Furthermore, possible utilization of sensors to detect Fe3+ in living HeLa cells was also investigated by confocal fluorescence microscopy.
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Affiliation(s)
- Peng Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Xiaoyan Liu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Jiaxin Fu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Yongxin Chang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Li Yang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Kuoxi Xu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China. Engineering Laboratory for Flame Retardant and Functional Materials of Hennan Province, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
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8
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Mandal T, Jana S, Dash J. Zinc-Mediated Efficient and Selective Reduction of Carbonyl Compounds. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700887] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Tirtha Mandal
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 700032 Jadavpur, Kolkata India
| | - Snehasish Jana
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 700032 Jadavpur, Kolkata India
| | - Jyotirmayee Dash
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 700032 Jadavpur, Kolkata India
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Jamwal B, Bhardwaj M, Paul S. Organic/Inorganic Hybrid Stabilized Au-Pd Bimetallic Nanoalloy as Highly Active and Sustainable Catalytic System for Enhanced Performance in Hydrogenation Reactions. ChemistrySelect 2017. [DOI: 10.1002/slct.201700485] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Babita Jamwal
- Department of Chemistry; University of Jammu; Jammu Tawi- 180006 India
| | - Madhvi Bhardwaj
- Department of Chemistry; University of Jammu; Jammu Tawi- 180006 India
| | - Satya Paul
- Department of Chemistry; University of Jammu; Jammu Tawi- 180006 India
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Ichikawa T, Netsu M, Mizuno M, Mizusaki T, Takagi Y, Sawama Y, Monguchi Y, Sajiki H. Development of a Unique Heterogeneous Palladium Catalyst for the Suzuki-Miyaura Reaction using (Hetero)aryl Chlorides and Chemoselective Hydrogenation. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700156] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Tomohiro Ichikawa
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Moeko Netsu
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Masahiro Mizuno
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Tomoteru Mizusaki
- Chemical Catalysts R & D Department, Catalyst Development Center; N.E. Chemcat Corporation; 25-3 Kojindaira Bando, Ibaraki 306-0608 Japan
| | - Yukio Takagi
- Chemical Catalysts R & D Department, Catalyst Development Center; N.E. Chemcat Corporation; 25-3 Kojindaira Bando, Ibaraki 306-0608 Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
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