Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Wang, Juxian, once mentioned the application of 89-86-1, Name is 2,4-Dihydroxybenzoic acid, molecular formula is C7H6O4, molecular weight is 154.1201, MDL number is MFCD00002451, category is phthalazine. Now introduce a scientific discovery about this category, HPLC of Formula: https://www.ambeed.com/products/89-86-1.html.
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