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 HPLC of Formula: C17H14O, molecular formula is C17H14O. The compound – 1,5-Diphenylpenta-1,4-dien-3-one played an important role in people’s production and life., HPLC of Formula: C17H14O
New 6-amino and 6,8-diamino-2-aryl-2,3-dihydro-4-styryl-1H- pyrimido[4,5-b][1,4]diazepines were obtained in the reaction of 2,4,5,6-tetraaminopyrimidine 1a and 4,5,6-triaminopyrimidine 1b with one equivalent of the diarylideneacetones 2 in absolute ethanol with acetic acid as the catalyst. Structure analysis of 6-amino and 6,8-diamino-2-aryl-2,3-dihydro-4-styryl-1H- pyrimido[4,5-b][1,4]diazepines 3a-i, determined by detailed nmr measurements, reveals a high regioselectivity of this reaction.
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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