A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 23981-47-7, Name is 2-(6-Methoxynaphthalen-2-yl)acetic acid, molecular formula is C13H12O3. In an article, author is Lamera, Esma,once mentioned of 23981-47-7, Formula: https://www.ambeed.com/products/23981-47-7.html.
A new, convenient, and efficient method for the synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones is developed starting from phthalhydrazide, aromatic aldehydes, and malononitrile using 4-N, N-dimethylaminopyridin as catalyst. This modified route provides much higher yields and a simple work-up procedure of products. Also this methodology is of interest due to the use of ethanol as a solvent without use of any toxic metals as catalyst, thus minimizing the cost, the operational hazards, and environmental pollution.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem