The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 4271-30-1, Name is (S)-2-(4-Aminobenzamido)pentanedioic acid, SMILES is O=C(O)[C@@H](NC(C1=CC=C(N)C=C1)=O)CCC(O)=O, in an article , author is Wang, Juxian, once mentioned of 4271-30-1, Computed Properties of C12H14N2O5.
Ultrasound-Promoted One-Pot, Three-Component Synthesis of Spiro[indoline-3,1 ‘-pyrazolo[1,2-b]phthalazine] Derivatives
A series of 3′-aminospiro[indoline-3,1′-pyrazolo[1,2-b]phthalazine]-2,5′,10’-trione derivatives have been synthesized by a one-pot three-component reaction of isatin, malononitrile or ethyl cyanoacetate and phthalhydrazide catalyzed by piperidine under ultrasound irradiation. For comparison the reactions were carried out under both conventional and ultrasonic conditions. In general, improvement in rates and yields were observed when the reactions were carried out under sonication compared with classical conditions.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem