Results 21 to 30 of about 35,348 (164)

Organocatalytic ring-opening polymerization of lactide by bis(thiourea) H-bonding donating cocatalysts with binaphthyl-amine framework

Giant
Development of H-bonding organo-catalysts with high catalytic activity and high degree of control is significantly important for the metal-free polyesters that are potentially suitable for biomedical usage.
Xiangzhong Qian, Mingqian Wang, Zhiqiang Ding, Xiaohui Liu, Bin Wang   +4 more
doaj   +1 more source

Adsorptive Removal of Mercury by Zeolites and Montmorillonite

Journal of Natural Resources and Environmental Management, 2019
The environmental pollution by the drainage containing heavy metals such as Hg is a serious problem in mining activities in Indonesia. We examined the effect of coexisting thiourea on the adsorptive removal of Hg by zeolites and montmorillonite. To a 100
Andi Massoeang Abdillah, Zaenal Abidin, Widiatmaka Widiatmaka, Erni Johan, Naoto Matsue   +4 more
doaj   +1 more source

Development of Bifunctional Chiral Thioureas and Thiosquaramides in the Synthesis of Betti Bases

Molecules, 2023
Bifunctional thioureas and, for the first time, bifunctional thiosquaramides as organocatalysts were used in the asymmetric Betti reaction involving 1-, 2-naphthols and hydroxyquinoline with N-tosylimine and ketimine.
Martyna Malinowska, Anna Zawisza
doaj   +1 more source

Thiourea as a polyphenol oxidase inhibitor enhances host infection by the entomopathogenic nematode, Heterorhabditis beicherriana

Biological Control
Entomopathogenic nematodes (EPN) are potent microbial biocontrol agents applied commercially against various economically important insect pests. The efficacy of EPN in the field may be partially reduced when compared to chemical insecticides due to its ...
Xingyue Li, David Shapiro-Ilan, Eustachio Tarasco, Shuocheng Zeng, Qizhi Liu, Wuyun Yang, Jun YI, Cheng Chen, Huijuan Fu   +8 more
doaj   +1 more source

1-[N-Methyl-N-(Phenyl)amino]-3-(4-Methylphenyl)–Thiourea

Molbank, 2019
The title compound, 1-[N-methyl-N-(phenyl)amino]-3-(4-methylphenyl)thiourea (1), was synthesized by the reaction of 1-methyl-1-phenyl hydrazine and 4-tolyl isothiocyanate, and was characterized by spectroscopy (1H and 13C{1H} NMR, IR, and UV), elemental ...
Chien Ing Yeo, Edward R. T. Tiekink
doaj   +1 more source

Synthesis and Biological Evaluation of Imidazole-2-thione Fused Furazan as a New Biheterocyclic Scaffold

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2022
A new imidazole-2-thione fused furazan biheterocyclic group was synthesized and its biological activity was investigated. Nitrogen rich heterocycles, imidazole-2-thione and 1,2,5-oxadiazole (furazan) have been conveni ently fused.
Gülşah Kurt, Fatih Sevgi
doaj   +1 more source

Effect of Thiourea on the Nanocrystalline-Copper Coating Prepared by Jet Electrodeposition

International Journal of Electrochemical Science, 2019
Jet electrodeposition with the aid of thiourea was proposed in this paper to improve the deposition quality of copper coatings. The effects of the content in the electrolyte on the coating microstructures, morphologies and mechanical performances were ...
Hui Fan, Sainan Cao, Yangpei Zhao, Shankui Wang   +3 more
doaj   +1 more source

Synthesis, Characterization and Electrochemical Analysis of V-Shaped Disubstituted Thiourea-Chlorophyll Thin Film as Active Layer in Organic Solar Cells

International Journal of Electrochemical Science, 2013
Conjugated thiourea system has attracted considerable attention as potential molecular framework to construct molecular components for molecular electronics.
Rafizah Rahamathullal, Wan M. Khairul, Hasiah Salleh, Hasyiya Karimah Adli, M.I.N. Isa, Meng Guan Tay   +5 more
doaj   +1 more source

The Amino Thiourea-Catalyzed Asymmetric Nucleophilic Reactions

CHIMIA, 2007
Bifunctional amino thiourea-catalyzed asymmetric additions of several nucleophiles into electron-deficient unsaturated compounds such as nitroolefins, ?,?-unsaturated imides, imines, and azodicarboxylates are described.
Yoshiji Takemoto, Hideto Miyabe
doaj   +1 more source

Unclicking of thioureas: Base catalyzed elimination of anilines and isothiocyanates from thioureas [PDF]

Tetrahedron, 2019
Bisaromatic thioureas are widely used in e.g. asymmetric organocatalysis and considered to be robust compounds. Herein we show, in strong contrast to common notion, that thioureas dissociate to amines and isothiocyanates in a base catalyzed reaction under mild conditions. This 'unclicking' process can occur in the presence of weak organic bases even at
Vlatkovic, Matea, Feringa, Ben L.
openaire   +1 more source