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. 82830-49-7, Name is 2-Fluoro-1,4-dimethoxybenzene, molecular formula is C8H9FO2. In an article, author is Tarasova, Ol’ga A.,once mentioned of 82830-49-7, Computed Properties of C8H9FO2.
Synthesis of pyrrole-ferrocene ensembles and their rearrangement into 2-(ferrocenylmethyl)-1,2-dihydro-3H-pyrrol-3-ones
The lithiation of (ferrocenylmethoxy)allene followed by sequential reaction with isothiocyanate and S-alkylation of the adduct gives the corresponding alkyl buta-2,3-dienimidothioate (1-aza-1,3,4-triene), which in the presence of CuI or CuBr cyclizes into (ferrocenylmethoxy)/sulfanyl-substituted pyrrole ring. The process is carried out in one or two preparative steps depending on an alkylating agent. A novel unexpected rearrangement of the synthesized 3-(ferrocenylmethoxy)-2-sulfanyl-IH-pyrroles into 2-(ferrocenylmethyl)-2-sulfanyl-1,2-dihydro-3H-pyrrol-3-ones, proceeding in CDCl3 at room temperature or in toluene under heating, is discovered. The transformation of the 3-(ferrocenylmethoxy)-1H-pyrroles into 1,2-dihydro-3H-pyrrol-3-ones is most likely the result of the formal [1,3]-O-to-C-rearrangements (acid-induced or thermal, respectively). (C) 2020 Elsevier B.V. All rights reserved.
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