New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic and spectroscopic. An article , which mentions Quality Control of 1,5-Diphenylpenta-1,4-dien-3-one, molecular formula is C17H14O. The compound – 1,5-Diphenylpenta-1,4-dien-3-one played an important role in people’s production and life., Quality Control of 1,5-Diphenylpenta-1,4-dien-3-one
Spiroannulation has been achieved by double Michael reaction under very mild conditions using a phase transfer catalyst.Various cyclohexanone molecules having different steric requirements have been condensed with 1,5-diphenyl-1,4-pentadien-3-one in the presence of cetyltrimethylammonium bromide.This condensation reaction was found to be diastereospecific as well as regiospecific.Stereoisomers derived from homotopic cycloalkanones were found to adopt endo geometry, while diastereotopic cycloalkanones were found to elaborate a mixture of endo and exo diastereomers.These stereochemical inferences are drawn based on extensive 2D-nmr studies employing COSY and NOESY experiments.
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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