The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. SDS of cas: 54381-16-7, 54381-16-7, Name is 2,2′-((4-Aminophenyl)azanediyl)diethanol sulfate, SMILES is NC1=CC=C(N(CCO)CCO)C=C1.O=S(O)(O)=O, in an article , author is Wang, Yuxiang, once mentioned of 54381-16-7.
An efficient and practical cascade oxidation/halogenoaminocyclization of trifluoromethylated homoallylic N-acylhydrazines is developed. The protocol enables an efficient access to various biologically interesting CF3-containing pyrazoline compounds from readily accessible trifluoromethylated homoallylic N-acylhydrazines in good to excellent yields under mild conditions without any other additives or catalysts. The produced pyrazoline compounds can be further manipulated to other more complicated derivatives through transformation of residual halogen atom.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem