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- Occurrences, Physical and Biochemical Properties of Laccase. Babu, Potti Ravindra; Pinnamaneni, Rajasekhar; Koona, Subramanyam // Universal Journal of Environmental Research & Technology;Feb2012, Vol. 2 Issue 1, p1
Laccases (benzenediol: oxygen oxidoreductase, EC 1.10.3.2) are multicopper oxidases that are widely distributed among plants, insects, and fungi. They belong to a group of polyphenol oxidases containing copper atoms in the catalytic centre which are usually called multicopper oxidases. It...
- Synthesis of a 2, 4, 8-Trisubstituted Pyrimidino[5, 4-d]Pyrimidine Library via Sequential SNAr Reactions on Solid-Phase. El-Araby, M.; Pottorf, R. S.; Player, M. R. // Combinatorial Chemistry & High Throughput Screening;Aug2004, Vol. 7 Issue 5, p413
A solid-phase synthesis of 2, 4, 8-substituted pyrimidino[5, 4-d]pyrimidines involving three controlled SNAr reactions has been developed. Exploration of different heterocyclic starting materials and resin-bound intermediates is highlighted. The preferred method starts with the treatment of...
- Slow dynamics of supercooled m-toluidine investigated by mechanical spectroscopy. Mandanici, Andrea; Shi, Xiangfu; McKenna, Gregory B.; Cutroni, Maria // Journal of Chemical Physics;3/15/2005, Vol. 122 Issue 11, p114501
Dynamics of supercooled m-toluidine close to the glass transition have been investigated by dynamic shear modulus measurements and stress relaxation experiments. The viscoelastic response of this material follows time-temperature-superposition in the temperature range investigated. Comparison...
- New derivatives of 3-Aminoindole. Synthesis of 2-Aryl(Hetaryl)-3-(3,5-Dimethyl-1-Pyrazolyl)indoles. Przheval'skii, N.M.; Skvortsova, N.S.; Magedov, I.V. // Chemistry of Heterocyclic Compounds;Nov2004, Vol. 40 Issue 11, p1435
The interaction of arylhydrazines with �-(3,5-dimethyl-1-pyrazolyl)acetophenones and acetyl(2-thiophene) leads to arylhydrazones, which are converted by Fischer cyclization into 2-aryl(thienyl)-3-(3,3-dimethyl-1-pyrazolyl)indoles with substituents in positions 1, 5, and 7.
- Chemistry of Ketoacetals: II. �,�'-Ketodiacetal and �,�'-Hydroxydiacetals in Reactions with Amminia and Amines. Kharitonova, O. V.; Panin, D. N.; Belova, O. N. // Russian Journal of Organic Chemistry;Aug2005, Vol. 41 Issue 8, p1113
�,�'-Ketodiacetal and �,�'-hydroxydiacetals react with ammonium acetate in acetic acid to afford substituted pyridine, and with aromatic amines in the presence of hydrochloric acid form substituted pentamethine salts.
- Cyclocondensation of 5-benzoyl-3-ethoxycarbonyl-6-methylthio-1-R-1,2-dihydropyrid-2-ones with heterocyclic N,N-and N,C-1,3-dinucleophiles. Britsun, V.; Esipenko, A.; Piroghenko, V.; Lozinskii, M. // Chemistry of Heterocyclic Compounds;Aug2008, Vol. 44 Issue 8, p979
[3+3] Cyclocondensation of 5-benzoyl-3-ethoxycarbonyl-6-methylthio-1-R-1,2-dihydropyrid-2-ones with heterocyclic N,N-and N,C-1,3-dinucleophiles proceeds regioselectively to give a series of new tri-and tetracyclic heterosystems, viz. derivatives of...
- Design of Schiff Base-Like Postmetallocene Catalytic Systems for Polymerization of Olefins: III. Synthesis of 1,2-Bis-(arylimino)acenaphthenes Having Cyclic Substituents. Oleinik, I. I.; Oleinik, I. V.; Ivanchev, S. S.; Tolstikov, G. A. // Russian Journal of Organic Chemistry;Sep2005, Vol. 41 Issue 9, p1329
Reactions of substituted cycloalkylanilines with acenaphthenequinone in a mixture of methanol with methylene chloride afforded a number of the corresponding 1,2-is(cycloalkylarylimino)acenaphthenes. The products may be used as ligands for the synthesis of nickel complexes which are capable of...
- Structural features, kinetics and SAR study of radical scavenging and antioxidant activities of phenolic and anilinic compounds. Ali, Hussein M.; Abo-Shady, Ahmed; Eldeen, Hany A. Sharaf; Soror, Hany A.; Shousha, Wafaa G.; Abdel-Barry, Osama A.; Saleh, Ahmed M. // Chemistry Central Journal;2013, Vol. 7 Issue 1, Special section p1
Background: Phenolic compounds are widely distributed in plant kingdom and constitute one of the most important classes of natural and synthetic antioxidants. In the present study fifty one natural and synthetic structurally variant phenolic, enolic and anilinic compounds were examined as...
- phenylamine. // Taber's Cyclopedic Medical Dictionary (2009);2009, Issue 21, p1770
A definition of the term "phenylamine," which refers to the simplest aromatic amine which is an oily liquid derived from benzene, is presented.