The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 495-69-2, Name is 2-Benzamidoacetic acid, SMILES is O=C(O)CNC(C1=CC=CC=C1)=O, in an article , author is Wang Yinglei, once mentioned of 495-69-2, Name: 2-Benzamidoacetic acid.
Synthesis of Pyrazolo[1,2-b]phthalazine-5,10-diones Catalyzed by Poly(ethylene glycol) Grafted 4-Dimethylaminopyridine Functionalized Ionic Liquid
A novel poly(ethylene glycol) grafted 4-dimethylaminopyridine functionalized ionic liquid ([DMAP-PEG(1000)-DIL][BF4]) was prepared and characterized by H-1 NMR, C-13 NMR, FT-IR and ESI-MS. In the presence of [DMAP-PEG(1000)-DIL][BE4], various substituted aromatic aldehyde could react with malononitrile (or ethyl cyanoacetate) and phthalhydrazide in water to obtain a series of pyrazolo[1,2-b]phthalazine-5,10-dione derivatives with 85%similar to 96% yields. The mild reaction conditions, high stable and recyclable ionic liquids, environmental friendliness are advantages of this methodology.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem