Results 21 to 30 of about 39,833 (328)

Palladium-catalyzed 2,5-diheteroarylation of 2,5-dibromothiophene derivatives

Beilstein Journal of Organic Chemistry, 2014
Conditions allowing the one pot 2,5-diheteroarylation of 2,5-dibromothiophene derivatives in the presence of palladium catalysts are reported.
Fatma Belkessam, Aidene Mohand, Jean-François Soulé, Abdelhamid Elias, Henri Doucet   +4 more
doaj   +1 more source

Inhibition of human cytochromes P450 2A6 and 2A13 by flavonoids, acetylenic thiophenes and sesquiterpene lactones from Pluchea indica and Vernonia cinerea

Journal of Enzyme Inhibition and Medicinal Chemistry, 2017
The human liver cytochrome P450 (CYP) 2A6 and the respiratory CYP2A13 enzymes play role in nicotine metabolism and activation of tobacco-specific nitrosamine carcinogens.
Supattra Boonruang, Khanistha Prakobsri, Phisit Pouyfung, Ekaruth Srisook, Aruna Prasopthum, Pornpimol Rongnoparut, Songklod Sarapusit   +6 more
doaj   +1 more source

Novel methylotrophic bacteria isolated from the River Thames (London, UK) [PDF]

, 2008
Enrichment and elective culture for methylotrophs from sediment of the River Thames in central London yielded a diversity of pure cultures representing several genera of Gram-negative and Gram-positive bacteria, which were mainly of organisms not ...
Alves, Anesti, Anesti, Arfman, Bamforth, Barrow, Battistuzzi, Beji, Bergey, Bernardet, Bernardet, Borodina, Borodina, Boucher, Brautaset, Brocks, Buonaurio, Cawse, Cercel, Dedysh, Dedysh, Dijkhuizen, Dijkhuizen, Duménil, Frankland, Frankland, Fredericq, Galkin, Ghosh, Ginige, Green, Hartmans, Holt, Hormisch, Jakobsen, Kalyuzhnaya, Kanagawa, Kato, Kato, Kelley, Kelly, Kelly, Kodaka, Levering, Lidstrom, Lidstrom, Loew, McDonald, McDonald, Meganathan, Migula, Mitsui, Moosvi, Moosvi, Nazina, Nercessian, Nesvera, Nishio, Orita, Padden, Radajewski, Radajewski, Reizer, Schaeffer, Schäfer, Smith, Urakami, Wang, Ward, Ward, Warner, Wayne, Whittenbury, Yasueda, Yoon, Yurimoto   +75 more
core   +1 more source

Thiophene-3-carbonyl Chloride [PDF]

Molbank, 2021
The X-ray structure of the title compound has been determined for the first time. It shows the ring flip disorder common among thiophene-3-carbonyl derivatives and the occurrence of this phenomenon in the structures of such compounds is discussed.
R. Alan Aitken, Alexandra M. Z. Slawin
openaire   +4 more sources

The mathematical description of the electrosynthesis of composites of oxy-hydroxycompounds cobalt with polypyrrole overooxidazed [PDF]

, 2016
The electrosynthesis of the composite with of the overoxidized polypyrrole with cobalt oxy-hydroxide in strongly acidic media has been described mathematically, using linear stability theory and bifurcation analysis. The steadystates stability conditions
Maia, J., Ojani, R., Oliveira de, C. S., Soares, B. Gunter, Tkach, V., Yagodinez, P. I.   +5 more
core   +2 more sources

Application of Flow Thermolysis in Organic Synthesis: Easy Access to α,ω-Bis Thienyl- and Bis Pyrrolyl- Alkanes from Methylene Derivatives of Meldrum's Acid

Molecules, 2000
Thermal decomposition of Meldrum's acid derivatives and rearrangement of (alkylsulfanyl) or (propargylamino)methylene ketene intermediates leads in one step to bis thienyl- or bis pyrrolyl-alkanes.
Hamid Dhimane, Fanck Jourdain, Jean Claude Pommelet   +2 more
doaj   +1 more source

Some Natural Photosensitizers and Their Medicinal Properties for Use in Photodynamic Therapy

Molecules, 2022
Despite significant advances in early diagnosis and treatment, cancer is one of the leading causes of death. Photodynamic therapy (PDT) is a therapy for the treatment of many diseases, including cancer.
Tomasz Piotr Kubrak, Przemysław Kołodziej, Jan Sawicki, Anna Mazur, Katarzyna Koziorowska, David Aebisher   +5 more
doaj   +1 more source

Biodesulphurized subbituminous coal by different fungi and bacteria studied by reductive pyrolysis. Part 1: Initial coal [PDF]

, 2008
One of the perspective methods for clean solid fuels production is biodesulphurization. In order to increase the effect of this approach it is necessary to apply the advantages of more informative analytical techniques.
Carleer, R., Dinler-Doğanay, Gizem, Dumanlı, Ahu Gümrah, Gonsalvesh, L., Kolankaya, N., Marinov, S.P., Reggers, G., Sam, M., Stefanova, M., Thijssen, E., Yperman, J., Yürüm, Yuda   +11 more
core   +1 more source

Microwave-Assisted Synthesis of some Novel Azoles and Azolopyrimidines as Antimicrobial Agents

Molecules, 2017
In this study, new derivatives of pyrazole, isoxazole, pyrazolylthiazole, and azolopyrimidine having a thiophene ring were synthesized under microwave irradiation.
Sobhi M. Gomha, Thoraya A. Farghaly, Yahia Nasser Mabkhot, Mohie E. M. Zayed, Amany M. G. Mohamed   +4 more
doaj   +1 more source

Reversible Emission Tunability from 2D‐Layered Perovskites with Conjugated Organic Cations

Advanced Photonics Research, 2021
The structural flexibility of 2D‐layered halide perovskites provides unprecedented opportunities for tuning their optical properties. For example, lattice distortions facilitate white emission that stems from self‐trapped excitons or defects, and organic
Balaji Dhanabalan, Renuka D. Pothuraju, Sergio Marras, Lea Pasquale, Liberato Manna, Roman Krahne, Milena P. Arciniegas   +6 more
doaj   +1 more source