Reference of 1679-47-6, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1679-47-6, Name is 3-Methyldihydrofuran-2(3H)-one, molecular formula is C5H8O2. In a article£¬once mentioned of 1679-47-6
Preparation of 2-(3-Bromo-1-methylpropyl)-1,3-dioxolan and the Corresponding Chloride from 2-Methylbutyrolactone
Lithium aluminium hydride reduction of ethyl 4-chloro-2-methylbutanoate (4a), derived from 3-methyldihydrofuran-2(3H)-one (2-methylbutyrolactone) (1), gave 4-chloro-2-methylbutan-1-ol (5a), oxidation of which with pyridinium chlorochromate afforded 4-chloro-2-methylbutanal (8a).The aldehyde (8a) was converted into 2-(3′-chloro-1′-methylpropyl)-1,3-dioxolan (7a) in 47percent overall yield from (1). 2-(3′-Bromo-1′-methylpropyl)-1,3-dioxolan (7b) was similarly obtained in 49percent overall yield from (1).Attempted conversion of 3-methyltetrahydrofuran-2-ol (2) into the corresponding cyclic ethylene acetal gave epimeric mixtures of 2-(3′-methyltetrahydrofuran-2′-yloxy)ethanol (6) and 2,2′-ethylenedioxybis(3-methyltetrahydrofuran) (9).
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem