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. 1439-36-7, Name is 1-(Triphenylphosphoranylidene)propan-2-one, molecular formula is C21H19OP. In an article, author is Maheswari, Cinnathambi Subramani,once mentioned of 1439-36-7, Name: 1-(Triphenylphosphoranylidene)propan-2-one.
SnO2 nanoparticles as an efficient heterogeneous catalyst for the synthesis of 2H-indazolo[2,1-b]phthalazine-triones
A new protocol for the synthesis of 2H-indazolo[2,1-b]phthalazine-trione derivatives is described via a one-pot three-component condensation reaction of phthalhydrazide, dimedone or 1,3-cyclohexanedione and aromatic aldehydes catalyzed by SnO2 nanoparticles as a heterogeneous catalyst under solvent-free conditions. The SnO2 nanoparticles (NPs) were characterized by FT-IR, X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and energy dispersive X-ray analyzer (EDAX). The advantages of the protocol are the shorter reaction time, simple work-up procedure and reusable catalyst. [GRAPHICS] .
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem