New explortion of DL-alpha-Tocopherol

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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. 10191-41-0, Name is DL-alpha-Tocopherol, molecular formula is C29H50O2. In an article, author is Hosseinzadeh, Zahra,once mentioned of 10191-41-0, Quality Control of DL-alpha-Tocopherol.

Sulfonic Acid-Functionalized Silica-Coated Magnetic Nanoparticles as a Reusable Catalyst for the Preparation of Pyrrolidinone Derivatives Under Eco-Friendly Conditions

The surface of silica-coated CoFe2O4 magnetic nanoparticles (CoFe2O4@SiO2), which is resistant to the oxidation due to silicone coating, was functionalized using chlorosulfonic acid and used as an efficient and recyclable catalyst for the preparation of 3-pyrrolin-2-ones from diethyl acetylenedicarboxylate, an aldehyde and aniline in ethanol solvent at 60 degrees C. In the presented study, some fascinating chracteritics of such catalyst, such as magnetically separable, simple workup and obtaining a high purity of products by simple recrystallization, have been successfully obtained. The structural features of CoFe2O4@SiO2-SO3H catalyst were elucidated by X-ray powder diffraction (XRPD), thermo-gravimetric studying (TGA), scanning electron microscopy (SEM) and FT-IR spectra. Sulfnic acid-functionalized silica-coated magnetic nanoparticles as a reusable catalyst for the preparation of pyrrolidinone derivatives under eco-friendly conditions

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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem