Application of 1660-93-1, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 1660-93-1, Name is 3,4,7,8-Tetramethyl-1,10-phenanthroline,introducing its new discovery.
Process development of the synthesis of the orally active poly(ADP-ribose)polymerase inhibitor niraparib is described. Two new asymmetric routes are reported, which converge on a high-yielding, regioselective, copper-catalyzed Narylation of an indazole derivative as the late-stage fragment coupling step. Novel transaminase-mediated dynamic kinetic resolutions of racemic aldehyde surrogates provided enantioselective syntheses of the 3-aryl-piperidine coupling partner. Conversion of the C-N cross-coupling product to the final API was achieved by deprotection and salt metathesis to isolate the desired crystalline salt form.
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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI