New research progress on 538-58-9 in 2021.The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. name: 1,5-Diphenylpenta-1,4-dien-3-one, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 538-58-9
Irradiation of trans-1-benzoyl-2-trans-styrylcyclopropane (IIa) and trans-1-p-toluoyl-2-trans-styrylcyclopropane (IIb), leads to formation of cis disubstituted cyclopropanes (IIIa) and (IIIb) respectively.However, photolysis of trans-1-trans-cinnamoyl-2-phenylcyclopropane (IV) results in isomerzation of the alpha,beta-double bond to produce V.Photolysis of trans-1-trans-p-methoxycinnamoyl-2-p-methoxyphenylcyclopropane (VI), by contrast, produces only a cyclobutane dimer formulated as (VII).Irradiation of 7-phenyl-3-benzylidenespiro<2.5>octan-2-one (IXb), under identical conditions, leads to isomerisation around the C=C bond.The structural assignments are based, interalia, on 13C NMR and 1H NMR spectral data.
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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