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- Title
Notizen aus der Chemie.
- Authors
Delaittre, Guillaume; Heine, Johanna; Hinz, Alexander; Jahn, Ullrich; Kries, Hajo; Meermann, Björn; Tzschucke, Carl Christoph; Zegke, Markus
- Abstract
The article "Notes from Chemistry" covers various topics. It reports on the synthesis of beryllium hydride complexes with phosphane amide ligands. Additionally, the coordination behavior of ylide-substituted cations towards gold chloride is examined. An improved ablation cell for element imaging using laser ablation/ICP-MS is developed. Furthermore, the coupling of HPLC with high-resolution MS and isotopic ratio MS is described. Other topics include the enantioselective homologization of cyclohexanones to α-trifluoromethylcycloheptanones and the stereoselective cyclization of aldimines with alkenes to aminocyclopentanes using a scandium catalyst. Finally, a new apparatus is presented for investigating macroscopic mechanical properties and internal molecular movements in the nanoscale of a hydrogel. Additionally, the determination of the average molar mass of polymers using diffusion-ordered spectroscopy (Dosy) is described.
- Subjects
SCANDIUM catalysts; ALDIMINES; GOLD chloride; MOLAR mass; CELL imaging; CYCLOHEXANONES; AMIDES
- Publication
Nachrichten aus der Chemie, 2022, Vol 70, Issue 3, p38
- ISSN
1439-9598
- Publication type
Article
- DOI
10.1002/nadc.20224124628