Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Michael Badine"'
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Structures of the Reactive Intermediates in Organocatalysis with Diarylprolinol Ethers
Autor: D. Michael Badine, Tadafumi Uchimaru, Yujiro Hayashi, Albert K. Beck, Ingo Krossing, Petra Klose, W. Bernd Schweizer, Uroš Grošelj, Dieter Seebach
Publikováno v: Helvetica Chimica Acta. 92:1225-1259
Structures of the reactive intermediates (enamines and iminium ions) of organocatalysis with diarylprolinol derivatives have been determined. To this end, diarylprolinol methyl and silyl ethers, 1, and aldehydes, PhCH2CHO, tBuCH2CHO, PhCH=CHCHO, are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a867447c62abac47012360a4b80ac34
https://doi.org/10.1002/hlca.200900179
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3
Isolation and X-Ray Structures of Reactive Intermediates of Organocatalysis with Diphenylprolinol Ethers and with Imidazolidinones
Autor: Dieter Seebach, D. Michael Badine, W. Bernd Schweizer, Uroš Grošelj, Albert K. Beck
Publikováno v: Helvetica Chimica Acta. 91:1999-2034
Reaction of 2-phenylacetaldehyde with the Me3Si ether of diphenyl-prolinol, with removal of H2O, gives a crystalline enamine (1). The HBF4 salts of the MePh2Si ether of diphenyl-prolinol and of 2-(tert-butyl)-3-methyl- and 5-benzyl-2,2,3-trimethyl-1,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b41a1780620cf5fb068763597d4de20d
https://doi.org/10.1002/hlca.200890216
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4
Are Oxazolidinones Really Unproductive, Parasitic Species in Proline Catalysis? – Thoughts and Experiments Pointing to an Alternative View
Autor: Bernard Linder, Albert K. Beck, Dieter Seebach, Michael Limbach, Albert Eschenmoser, Reinhard Hobi, Adi M. Treasurywala, D. Michael Badine, Walter Prikoszovich
Publikováno v: Helvetica Chimica Acta. 90:425-471
The N,O-acetal and N,O-ketal derivatives (oxazolidinones) formed from proline, and aldehydes or ketones are well-known today, and they are detectable in reaction mixtures involving proline catalysis, where they have been considered ‘parasitic dead
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::867408ec8100dc7e29d26626a7c2a765
https://doi.org/10.1002/hlca.200790050
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5
Readily Synthesized Chiral Sulfides as Reagents for Asymmetric Epoxidation
Autor: D. Michael Badine, Christina Hebach, Varinder K. Aggarwal
Publikováno v: Chemistry – An Asian Journal. 1:438-444
Chiral oxathianes were designed, synthesized, and successfully used for asymmetric sulfur ylide mediated epoxidation. A considerable emphasis has been placed upon the design of sulfides with suitable architecture in a small number of steps (three or
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaac6782597085930b91e7707119faaf
https://doi.org/10.1002/asia.200600079
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8
The Cyclopropylmethylsilane Terminated Prins Reaction: Stereoelectronic Controlled Formation of (E)-Skipped Dienes Alcohols and a (Z)-Skipped Diene Modification
Autor: Margarita Rodriguez-Lens, D. Christopher Braddock, Ai Matsuno, D. Michael Badine, Thomas Gottschalk
Publikováno v: ChemInform. 34
The reaction of l-phenyldimethylsilyl-2-vinyl cyclopropane with aldehydes under the influence of dimethylaluminium chloride proceeds smoothly to provide skipped diene alcohols with exclusive E-olefin geometry regardless of the initial cis/trans confi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef0819b17dbef65846b1d0db69722d6c
https://doi.org/10.1002/chin.200323037
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9
Investigation of Various Ionic Liquids and Catalyst Materials for Lithium-Oxygen Batteries
Autor: Rüdiger Oesten, Klaus Leitner, Miloš Vračar, Luiz H. S. Gasparotto, Frank Endres, Natalia Borisenko, D. Michael Badine, Jürgen Janek, Arnd Garsuch
Publikováno v: Zeitschrift für Physikalische Chemie. :110923034559006
We report about the use of different ionic liquids and catalyst materials in lithium-oxygen batteries. Different types of oxygen electrodes such as self-supporting oxygen electrodes and catalyst-coated separators were prepared by hot-pressing and spr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99459b0524e9bd1c666d1e06224c9ec5
https://doi.org/10.1524/zpch.2012.0136
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