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Results for “National Science Foundation”

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At least 199 records · Page 11Linked to original sources

PubMed2001

A General Solution to the Modular Synthesis of Polyketide Building Blocks by Kanemasa Hydroxy-Directed Nitrile Oxide Cycloadditions This work was supported by the ETH-Zürich, Hoffmann-LaRoche, Merck, and Novartis. J.W.B. thanks the National Science Foundation (USA) for a predoctoral fellowship. We are grateful to Boehringer-Ingelheim for a generous gift of (R)-3-buten-2-ol.

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PubMed2001

Detection of TNT and Picric Acid on Surfaces and in Seawater by Using Photoluminescent Polysiloles This work was supported through DARPA's Tactical Sensors Program through a Space and Naval Warfare Systems Center Contract (N66001-98-C-8514) and the National Science Foundation, Division of Material Research (Grant No. DMR 9900034). The technical point of contact for this DARPA program is Dr. Edward Carapezza.

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PubMed2001

A Perfluorinated Nanosphere: Synthesis and Structure of Perfluoro-deca-B-methyl-para-carborane This research was funded by the National Science Foundation (USA) (NSF CHE 9314037) and (NSF CHE 9972888). We gratefully thank graduate student Theodore W. Bitner and Prof. Jeffrey I. Zink, UCLA, for the acquisition of the Raman spectra.

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PubMed2001

Modular Self-Assembly of a Microporous Solid Based upon Mercuracarborand-4 and a New Bonding Motif This work was supported by the National Science Foundation (CHE-9730006 and equipment grant CHE-9871332).

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PubMed2001

Rapid Access to Complex Molecular Architectures via o-Azaquinones We thank Dr. D. H. Huang, G. Siuzdak, and Dr. R. Chadha for NMR spectroscopic, mass spectrometric, and X-ray crystallographic assistance, respectively. This work was supported financially by The Skaggs Institute for Chemical Biology, the National Institutes of Health (USA), a predoctoral fellowship from the National Science Foundation (P.S.B), and grants from ArrayBiopharma, Pfizer, Glaxo, Merck, Schering Plough, Hoffmann-La Roche, Boehringer Ingelheim, DuPont, and Abbott Laboratories.

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PubMed2001

Beneficial Effect of ortho-Methoxy Groups in the Asymmetric Ring Opening of meso Epoxides with Silicon Tetrachloride Catalyzed by Chiral ortho-Methoxyphenyldiazaphosphonamide Lewis Bases Response to the Communication by G. Buono et al. We are grateful to the National Science Foundation (CHE-9803124) for generous financial support. Cory M. Stiff is thanked for preliminary experiments.

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PubMed2001

Matrix Isolation of Perfluorinated p-Benzyne W.S., H.H.W., and A.B. thank the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie, W.T.B. and D.A.H. the National Science Foundation for financial support. The systematic name for perfluorinated p-benzyne is 1,4-didehydro-2,3,5,6-tetrafluorobenzene.

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PubMed2001

Inversion of Enantioselectivity during the Platinum-Catalyzed Hydrogenation of an Activated Ketone This work was supported by the Swiss National Science Foundation. We thank F. Bangerter and D. Sutter for NMR measurements.

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PubMed2001

The Reaction Mechanism of the Enzyme-Catalyzed Central Cleavage of beta-Carotene to Retinal This research was supported by F. Hoffmann-La Roche AG and the Swiss National Science Foundation. We are grateful to F. Hoffmann-La Roche AG for a generous gift of carotenoids and Dr. Claus Bornemann for preliminary experiments.

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PubMed2001

Barium Triphenylmethanide: An Examination of Anion Basicity This work was supported by the National Science Foundation (CHE-9702246). Purchase of the X-ray Diffractometer was made possible with grants from the NSF (CHE-95-27898), the W. M. Keck Foundation, and Syracuse University.

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PubMed2001

nido<-->closo Interconversion of Six-Vertex Metallacarboranes: Access to CoC(2)B(3) and CoC(2)B(4) Clusters with Nonadjacent Carbon Atoms Organotransition-Metal Metallacarboranes, part 57. This work was supported in part by the National Science Foundation (grant CHE 9980708) and the Alexander von Humboldt Foundation (Feodor Lynen postdoctoral fellowship to H.-J. Schanz). Part 56: M. Bluhm, H. Pritzkow, W. Siebert, R. N. Grimes, Angew. Chem. 2000, 112, 4736; Angew. Chem. Int. Ed. 2000, 39, 4562.

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PubMed2001

New Paradigms for Organic Catalysts: The First Organocatalytic Living Polymerization The authors would like to thank the NSF Center on Polymer Interfaces and Macromolecular Assemblies (CPIMA). T.G. expresses his thanks to the Swiss Academy of Engineering Sciences (SATW) and the Swiss National Science Foundation.

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PubMed2001

Time- and Space-Resolved Luminescence of a Photonic Dye-Zeolite Antenna This work is part of the Swiss National Science Foundation Project NFP 47 (4047-057481).

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PubMed2001

Targeting Molecular Recognition: Exploring the Dual Role of Functional Pseudoprolines in the Design of SH3 Ligands This work was supported by the Swiss National Science Foundation.

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PubMed2001

Designed Molecules for Self-Assembly: The Controlled Formation of Two Chiral Self-Assembled Polynuclear Species with Predetermined Configuration This work was financially supported by the Swiss National Science Foundation. We thank F. Nydegger for ESI-MS measurements and F. Fehr for conducting NOE experiments. Prof. C. W. Schläpfer and Prof. C. A. Daul are thanked for fruitful discussions.

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PubMed2001

Directed Assembly of Periodic Materials from Protein and Oligonucleotide-Modified Nanoparticle Building Blocks C.A.M. acknowledges DARPA, NSF, ARO, and NIH for support of this research. R.L.L. acknowledges the NIH. The DND-CAT Synchrotron Research Center is supported by E.I. Dupont de Nemours & Co., The Dow Chemical Company, the U.S. National Science Foundation through Grant DMR-9304725, and the State of Illinois through the Department of Commerce and the Board of Higher Education Grant IBHE HECA NWU 96. Use of the Advanced Photon Source was supported by the U.S. Department of Energy, Basic Energy Sciences, Office of Energy Research under Contract No. W-31-102-Eng-38.

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PubMed2001

Selective Photoproduction of O(2) from the Mn(4)O(4) Cubane Core: A Structural and Functional Model for the Photosynthetic Water-Oxidizing Complex This research was supported by grants from the US National Institutes of Health (GM39932) and the National Science Foundation (CHE96-19190). Fellowship support was provided by the Japan Society for the Promotion of Science (M.Y.) and the Netherlands NOW Scholarship (P.B.).

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PubMed1995

Liberals, the progressive left, and the political economy of postwar American science: the National Science Foundation debate revisited.

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