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THE JOHN PEPERA COLLECTION, SS-Hauptsturmführer Erwin Buchner - an Estate of SS and Party Member, Deschler produced 30 mm golden party badge, lightly worn gilt Tombak with inset silver-plated, enamelled Party Badge.
Copper-catalyzed alkyne oxidation/Büchner-type ring-expansion to access benzo[6,7]azepino[2,3-b]quinolines and pyridine-based diones | Communications Chemistry
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Top: results for the Buchner ring expansion reaction between toluene 4... | Download Scientific Diagram
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Asymmetric Synthesis of a 5,7-Fused Ring System Enabled by an Intramolecular Buchner Reaction with Chiral Rhodium Catalyst | Organic Letters