Blättern Fakultät für Chemie (inkl. GAUSS) nach "Meijere, Armin de Prof. Dr." Betreuer
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Synthesis of Diverse Polyfunctional Amides as Precursors to Potentially Interesting Peptidomimetics
(2008-10-22)First chapter is dedicated to the applying of the Ugi multicomponent reaction for the synthesis of the compound containing small ring systems such as cyclopropane and its structure ... -
Synthesis of New Spirocyclopropanated beta-Lactams and Their Application as Building Blocks for beta-Amino Acid Peptides
(2005-12-12)Several differently substituted monocyclic 3-spirocyclopropanated β-lactams, formally derived from α-cyclopropyl-modified β-alanine, have been prepared through the rearrangement of ... -
Synthesis of Potentially Biologically Active Cyclopropane- and Spirocyclopropane-annelated Oligoazaheterocycles
(2004-11-23)In this work the synthesis of new cyclopropane- and spirocyclopropane-annelated heterocyclic compounds containing nitrogen has been reported. The Ti-mediated intramolecular reductive ... -
Synthetisch interessante Transformationen von Ring-anellierten (E,Z,E)-1,3,5-Hexatrienen
(2004-10-05)Twofold palladium-catalyzed coupling reactions (Heck reactions) of 1,2-dibromocycloalkenes with styrene or acrylates afforded 1,6-diphenyl- and 1,6-dialkoxycarbonyl-substituted ... -
Total Synthesis of Various Hormaomycin Analogues with Modified Amino Acid Residues
(2008-07-28)Hormaomycin 1 and its all-peptide aza-analogue 53 were synthesized in quantities of 39 and 34 mg respectively, using the protocol developed by B. Zlatopolskiy, to have enough material for ... -
Totalsynthese der Mansouramycine A-E aus Streptomyces sp. und Rhodium-katalysierte 1,2-Additionen an cyclische Enone
(2009-10-02)The following thesis is divided into two sections. The first part deals with the total synthesis of Mansouramycin A-E. The second part shows a new high enantioselective rhodium catalyzed ... -
Versuche zur Erzeugung des Pentacyclopropylcyclopentadienyl-Kations, und Synthese von Cyclopropylierten Oligoenen, Carbo- und Heterocyclen
(2004-12-27)The objective of this dissertation on the one hand was to generate the pentacyclopropylcyclopentadienyl cation under stable cation conditions and its characterization by low-temperature ... -
β-Aminosubstituted α,β-Unsaturated Fischer Carbene Complexes as Precursors for Complex Oligocyclic Molecules - Basics and Applications
(2005-01-24)Under the optimized conditions, a wide range of β-Aminosubstituted α,β-unsaturated Fischer carbene complexes were easily prepared in a four-step one-pot operation. Reaction of Fischer ...