Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 371-42-6, Name is 4-Fluorothiophenol, molecular formula is C6H5FS, belongs to phthalazine compound, is a common compound. In a patnet, author is Ghorbani-Vaghei, Ramin, once mentioned the new application about 371-42-6, Recommanded Product: 4-Fluorothiophenol.
The one-pot four-component synthesis of 1H-pyrazolo[1,2-b] phthalazine-5,10-diones and 1H-pyrazolo[1,2-a] pyridazine-5,8-diones was carried out from the reaction between various aldehydes, malononitrile, hydrazine hydrate and phthalic anhydride or maleic anhydride at 110 degrees C in solvent-free conditions using piperidinium benzene-1,3-disulfonate nanomagnetic ionic liquid (NMIL) as a novel and reusable catalyst. Some advantages of the presented procedure are a significant reduction in cost, effective catalysis and reusability of the catalyst. NMIL was thoroughly characterized using Fourier transform infrared spectroscopy, X-ray diffraction, scanning and transmission electron microscopies, thermogravimetry, derivative thermogravimetry, Brunauer-Emmett-Teller analysis, vibrating sample magnetometry and energy-dispersive X-ray spectroscopy. The technique is developed as a suitable and safe method for the synthesis of 1H-pyrazolo[1,2-b] phthalazine-5,10-diones and 1H-pyrazolo[1,2-a] pyridazine-5,8-diones making use of an efficient and reusable green catalyst.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem