Concept
Sulfur
Related publications (209)
Guanine derivatives as substrates for O6-alkylguanine-DNA alkyltransferase and their use in labeling the enzyme and fusion proteins
O6-substituted guanine derivs. are described for use as substrates for O6-alkylguanine-DNA alkyltransferases (AGT) that can be used to label the enzyme or fusion proteins contg. it. Proteins of interest are incorporated into an AGT fusion protein, the AGT ...
(Ecole Polytechnique Federale de Lausanne (EPFL), Switz.).2004On the reactivity of the iminodiphosphane C6H4(o-CN)N=PPh2-PPh2: Fragmentation versus isomerisation
The reactivity of the iminodiphosphane C6H4(o-CN)N= PPh2-PPh2, which contains an N=P-P unit, has been investigated. Reaction with small molecules, [viz. H2O/O-2, H2O2, CH3OH, C6H4(o-CN)NH2] and elemental sulfur result in cleavage of the P-P bond to give am ...
2004On-line study of polyelectrolyte network formation by interfacial reaction
Jutta Christine Wandrey, Laurent Bourdillon
A modified synthetic boundary expt. of anal. ultracentrifugation has been employed to examine, online, polyelectrolyte complex formation at flat interfaces yielding highly swollen membranes/networks. Systematic expts. with sodium alginate as a polyanion an ...
Springer-Verlag2004Charge density, solvent polarity and counterion nature effects on the solution properties of some polycations
The electrolytic cond. and soln. viscosity of some strong polycations, which possess the ammonium quaternary centers either attached to an acrylic macromol. chain (polycation PDMAEMQ type), or in the backbone (polycation PCA type), have been measured to id ...
2004The synthesis, characterisation, and reactivity of some polydentate phosphinoamine ligands with benzene-1,3-diyl and pyridine-2,6-diyl backbones
The polydentate phosphinoamines 1,3-{(Ph2P)(2)N}(2)C6H4 and 2,6-{(Ph2P)(2)N}(2)C5H3N have been prepared in a single step from the reaction of the amines 1,3-(NH2)(2)C6H4 or 2,6-(NH2)(2)C5H3N with Ph2PCl in presence of Et3N (1:4:4 molar ratio) in CH2Cl2. Re ...
2003The hetero-Diels-Alder addition of sulfur dioxide: The pseudo-chair conformation of a 4,5-dialkylsultine
Even unsubstituted butadiene adds to sulfur dioxide in the hetero-Diels Alder mode more rapidly than in the chelotropic mode. The sultine can be observed in equilibrium with the diene and the sulfur dioxide only at low temperature and in the presence of CF ...
2003Recommendable routes to trifluoromethyl-substituted pyridine- and quinolinecarboxylic acids
As part of a case study, rational strategies for the prepn. of all ten 2-, 3-, or 4-pyridinecarboxylic acids and all nine 2-, 3-, 4-, or 8-quinolinecarboxylic acids bearing trifluoromethyl substituents at the 2-, 3-, or 4-position were elaborated. The trif ...
2003Chemical and physical processes for integrated temperature control in microfluidic devices
Microfluidic devices are a promising new tool for studying and optimizing (bio)chemical reactions and analyses. Many (bio)chemical reactions require accurate temperature control, such as for example thermocycling for PCR. Here, a new integrated temperature ...
2003Characterization of the corrinoid iron-sulfur protein tetrachloroethene reductive dehalogenase of Dehalobacter restrictus
Christof Holliger, Julien Maillard
The membrane-bound tetrachloroethene reductive dehalogenase (PCE-RDase) (PceA; EC 1.97.1.8), the terminal component of the respiratory chain of Dehalobacter restrictus, was purified 25-fold to apparent electrophoretic homogeneity. Sodium dodecyl sulfate-po ...
2003The hetero-Diels-Alder addition of sulfur dioxide to 1-fluorobuta-1,3-dienes: The sofa conformations preferred by 6-fluorosultines (6-fluoro-3,6-dihydro-1,2-oxathiin-2-oxides) enjoy enthalpic and conformational anomeric effects
Pierre Vogel, Rosario Scopelliti
The reactivity of (E)- and (Z)-1-fluorobuta-1,3-diene ((E)- and (Z)-11), 2-fluorobutadiene (12). (E)and (Z)-1-(fluoromethylidene)-2-methylidenecyclohexane ((E)- and (Z)-13) toward SO2 has been explored and compared with that of (Z)- and (E)-1-(fluoromethyl ...
2002