Recommanded Product: 1,5-Diphenylpenta-1,4-dien-3-one, New discoveries in chemical research and development in 2021. In homogeneous catalysis, catalysts are in the same phase as the reactants. A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes. 538-58-9, Name is 1,5-Diphenylpenta-1,4-dien-3-one, molecular formula is C17H14O. belongs to chiral-oxygen-ligands compounds. In a Article，once mentioned of 538-58-9
alpha,beta-Unsaturated carbonyl compounds 1 and phosphacumulene ylides 2 undergo a <4+2>-cycloaddition with formation of pyran-substituted phosphoranes 3.Benzoic acid catalyzed Hofmann degradation of 3 yields the deeply coloured pyran derivatives 5.
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Reference：
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate