In an article, author is Maleki, Behrooz, once mentioned the application of 88-44-8, Application In Synthesis of 4-Aminotoluene-3-sulfonic acid, Name is 4-Aminotoluene-3-sulfonic acid, molecular formula is C7H9NO3S, molecular weight is 187.2163, MDL number is MFCD00007908, category is phthalazine. Now introduce a scientific discovery about this category.
The rapid and environmental synthetic route to produce 1H-indazolo[1,2-b] phthalazine-1,6,11-triones and 1H-pyrazolo[1,2-b]phthalazine-5,10-diones derivatives have been developed via multicomponent and one-pot reactions of various aldehydes, cyclic or acyclic 1,3-diketones with: i) phthalhydrazide or ii) phthalic anhydride-hydrazinium hydroxide using wet 2,4,6-trichlorotriazine (TCT) as catalyst under solvent-free conditions. Simple and mild reaction conditions, the use of a cheap catalyst and easy workup and isolation are notable features of this method.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem