Application of 538-58-9, New Advances in Chemical Research in 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. 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
The thermal reaction of Ru3(CO)12 with dibenzylideneacetone PhCH=CHCOCH=CHPh (1) was studied. From the solution, the trinuclear complexes Ru3(CO)6{mu3- eta2-eta2-eta2-O=C(CH= CHPh)-CH=CPh} 2 (6) and Ru3(CO)7{eta2-O=C(CH= CHPh)CH=CPh}{mu-eta-eta4-O-C(CH=CHPh)-CH-CPh-CH(CH 2Ph)C(O)(CH=CHPh)}{mu3-eta-eta-eta4- (CH2Ph)CH=C(O)-CH=CHPh} (7) were isolated, and the precipitate was found to contain the tetranuclear complex Ru4(CO)8{mu 3-eta-eta2-eta6-O-C(CH=CHPh)= CH-CPh-CH(CH2Ph)-C(O)-CH=CHPh}2 (8). The organic ligand in complexes realizes different coordination modes forming five-membered oxaruthenacycle, eta3-coordinated dihydropyran cycle, eta4-coordinated diene, or oxadiene fragments. Complex 7 is unstable and undergoes chemical transformations yielding complex 8. Reversible changes occur with complex 8 upon dissolution in acetone, and binuclear complex Ru2(CO)4(eta-O= CMe2)(mu-eta2- eta6-O-C(CH=CHPh)=CH-CPh-CH(CH2Ph)-C(O)-CH=CHPh) (9) is formed. The central Ru2O2 cycle in complex 8 is cleaved and the formed vacant coordination site is occupied by an acetone molecule in complex 9. Complexes 6-9 were characterized by IR and 1H NMR spectroscopy, and their structures were determined by single-crystal X-ray diffraction analysis. The structural and spectroscopic features and possible pathways of the complexes’ transformations are discussed.
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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