Divergent Reactivity of Thioalkynes in Lewis Acid Catalyzed Annulations with Donor-Acceptor Cyclopropanes
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An intramol. SNAr reaction for efficient macrocyclization via biaryl ether formation was developed for syntheses of the 14-membered macrocycles I and II (R = NH2, NO2) related to F-O-G ring of teicoplanin. Chloride as well as fluoride could be used as the ...
The use of chemoselective ligation methods and orthogonal protection techniques allows access to Template-Assembled Synthetic Protein (TASP) mols. exhibiting a large variety of packing topologies. This is demonstrated for the synthesis of an antiparallel 4 ...
A large variety of physical analysis techniques are used in the semiconductor industry to identify defects impacting yield or reliability. Identification of a defect often requires the combined use of several techniques to give a clear understanding of th ...
In this paper we propose a new method for rendering crowds of virtual humans with dynamicallydeformed skeletons with levels of detail using two simple caching schemes for animations and geometry. Weshow how the virtual heritage project ERATO pushed for the ...
This paper presents a hybrid push and pull production management approach called double speed single production line (DSSPL), developed for industries that produce a large variety of slightly different items subject to highly variable demand. Because of th ...
A total asymmetric synthesis of the polyol subunit of the polyene macrolide antibiotic RK-397 was developed through the stereoselective functionalization of (1R,1’S,6S,6’R)-3,3’-methylenebis(cyclohept-3-ene-1,6-diol). The pathway generates a large variety ...
This research work falls on a multidisciplinary domain, where there is a cross feeding between Computer, Information Sciences and Cognitive Sciences. This PhD dissertation has focused on the interaction and collaboration issues in Web-based experimentation ...
A large variety of plasma conditions has been created in TCV (Tokamak a Configuration Variable, B-T < 1.5 T, R-0 = 0.88 m, a < 0.25 m). They include limited and diverted discharges with elongations in the range 1-2.58, triangularities between -0.7 and 1 as ...
We carried out an ab initio investigation of the charged states of hydrogen in amorphous SiO2 using a previously generated model structure. We found a large variety of equilibrium configurations as a result of the disordered atomic structure in our model s ...
L-mode to H-mode (LH) transitions are observed in a large variety of plasma conditions in TCV Ohmic plasmas. The power flowing through the separatrix at the LH transition differs by up to a factor of two from the predicted H-mode threshold power. Variation ...