The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 31618-90-3, Name is (Diethoxyphosphoryl)methyl 4-methylbenzenesulfonate, SMILES is O=S(C1=CC=C(C)C=C1)(OCP(OCC)(OCC)=O)=O, in an article , author is Pouramiri, Behjat, once mentioned of 31618-90-3, COA of Formula: https://www.ambeed.com/products/31618-90-3.html.
A rapid and efficient one-pot, four-component protocol for the synthesis of novel 2H-pyridazino[1,2-a]indazole-1,6,9(11H)-triones (6) and 2H-indazolo[2,1-b]phthalazine-1,6,11-triones (7) has been developed using a stable and reusable Bronsted acidic ionic liquid N,N-diethyl-N-sulfoethanammonium chloride ([Et3N-SO3H]Cl). A range of diverse aldehydes were successfully applied and the corresponding products obtained in good to excellent yields without any by-products. (C) 2016 Elsevier Ltd. All rights reserved.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem