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pro vyhledávání: '"George Borg"'
Autor:
George Borg
Publikováno v:
George Borg
The “Instrumental Revolution” in chemistry refers to a transitional period in the mid-20th century during which sophisticated instrumentation based on physical principles was introduced to solve chemical problems. Historical and philosophical ref
Autor:
George Borg
Publikováno v:
Perspectives on Science. 27:861-890
An important fact about human labor is that it can result not just in reproduction of what it started with, but in something new, a surplus product. When the latter is a means of production, it makes possible a mechanism of change consisting of repro
Autor:
George Borg
Publikováno v:
Philosophia. 48:421-423
Autor:
Virginia Berry, Alexander M. Long, Tom DeMelfi, Nicholas Doerr, Philip Roveto, Yohannes Teffera, Loren Berry, Anthony Polverino, Danlin Chen, Juan Estrada, George Borg, Roger Zanon, Charlie Starnes, James Bready, Shawn Harriman, Kelly Regal, Michael Schrag, Jean-Christophe Harmange, David Bauer, Russell Graceffa, Daniel S. La, Vinod F. Patel, Sesha Neervannan, Matthew Weiss, Angela Coxon, Andrew Tasker, Douglas A. Whittington, Michele Potashman, Julie Flynn, Stephen Kaufman, Deborah Choquette
Publikováno v:
Journal of Medicinal Chemistry. 51:1668-1680
We have previously shown N-arylnaphthamides can be potent inhibitors of vascular endothelial growth factor receptors (VEGFRs). N-Alkyl and N-unsubstituted naphthamides were prepared and found to yield nanomolar inhibitors of VEGFR-2 (KDR) with an imp
Publikováno v:
Angewandte Chemie International Edition. 41:3188-3191
Asaresultoftheir transient nature, the utilityof these compounds inorganicchemistryremainslimited. Theisolation of tetrahe-dralintermediatescouldprovideinsightintotheacyl-transferprocess as well as useful compounds for organic synthesis.Whiletheadduc
Publikováno v:
Tetrahedron Letters. 40:6709-6712
A one-pot method for the asymmetric synthesis of tert -butanesulfinyl-protected amines is described. The ketones bd2 are condensed with (R)-tert -butanesulfinamide bd1 and the tert -butanesulfinyl imine intermediates reduced in situ with NaBH 4 to af
Autor:
David Marcoux, Pascal Bindschädler, David A. Evans, George Borg, Joseph E. Pero, Anna Chiu, Alexander W. H. Speed
Publikováno v:
Organic letters. 13(14)
The use of cyclic α,β-unsaturated iminium-ion dienophiles is documented in two highly diastereoselective Diels–Alder (DA) reactions. The dienophilic counterion was found to have a significant effect on reactivity.
Publikováno v:
Tetrahedron Letters. 42:1433-1435
A method for the asymmetric synthesis of pre-protected α,α-disubstituted amino acids is described. 5-Methylfuryllithium is added into sulfinyl ketimines 1 in the presence of AlMe3 to afford the sulfinamides 2 in 75–97% yields and with diastereose
Publikováno v:
ChemInform. 30
A one-pot method for the asymmetric synthesis of tert -butanesulfinyl-protected amines is described. The ketones bd2 are condensed with (R)-tert -butanesulfinamide bd1 and the tert -butanesulfinyl imine intermediates reduced in situ with NaBH 4 to af
Publikováno v:
ChemInform. 32
A method for the asymmetric synthesis of pre-protected α,α-disubstituted amino acids is described. 5-Methylfuryllithium is added into sulfinyl ketimines 1 in the presence of AlMe3 to afford the sulfinamides 2 in 75–97% yields and with diastereose