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 COA 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., COA of Formula: C17H14O
The invention discloses a whorl annular phthalazine derivatives, the structural formula of The preparation method is: will be phthalic hydrazide, dinitroso benzylidene acetone in trifluoromethanesulfonic acid as catalyst, acetonitrile as solvent, at a temperature of 20 – 80 C reaction under the condition of 48 hours, column chromatography to obtain whorl annular phthalazine derivatives; the invention provides a simple, efficient, convenient and high efficiency of phthalazine derivatives synthetic method, is to use three trifluoromethane sulfonic acid as catalyst, acetonitrile as the solvent to synthesize whorl annular phthalazine derivatives, has high-efficient, convenient, low cost and the like, application prospect is good. (by machine translation)
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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