52409-22-0, Name is Pd2(DBA)3, belongs to catalyst-palladium compound, is a common compound. Safety of Pd2(DBA)3In an article, once mentioned the new application about 52409-22-0.
The title compound, 5,6-dihydrocyclohepta[b]indol-6-one (1), was synthesized from 2-chlorotropone (7) by a two-step sequence involving Pd-catalyzed amination with 2-bromoaniline (15) and subsequent Pd-catalyzed intramolecular Heck reaction. Besides its synthetic detail, some physical properties of 1, such as acidity, basicity and spectroscopic behavior, were also reported. Compound 1 was transformed into 6-(1H-pyrazol-1-yl)- and 6-(1H-1,2,3-triazol-1-yl)-5-azabenz[b]azulenes (13 and 14) as a potential ligand.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method