In an article, author is Ghorbani-Vaghei, Ramin, once mentioned the application of 369-34-6, Quality Control of 3,4-Difluoronitrobenzene, Name is 3,4-Difluoronitrobenzene, molecular formula is C6H3F2NO2, molecular weight is 159.09, MDL number is MFCD00007198, category is phthalazine. Now introduce a scientific discovery about this category.
A series of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones were obtained from aldehydes, phthalhydrazide and malononitrile in good to excellent yields at 80-100 degrees C under solvent-free conditions by proceeding through a simple, mild and efficient procedure utilizing N, N, N’, N’-tetrabromobenzene-1,3-disulfonamide [TBBDA] and poly(N-bromo-N-ethylbenzene-1,3-disulfonamide) [PBBS] as catalysts.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem