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Physical Or Chemical Processes And Apparatus
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Abstract
Mechanical mixing method, in which mechanical blows and shocks are directed at powdered base materials, for example in a ball mill, chemical reactions taking place between the base materials. In the invention gas reacting with the powdered base material and/or otherwise taking part in the reaction, or providing information on the reaction is introduced among the powdered base materials.
Ortho-Directed Metalation of 3-Carboxy-beta-carbolines: Use of the SmI (2)-Cleavable 9-N-(N', N'-Dimethylsulfamoyl) Blocking Group for the Preparation of 9-N-Deprotected 4-Amino Derivatives via Azide Introduction or a Palladium-Catalyzed Cross-Coupling Reaction