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- W4242524319 abstract "The C12C36 sym. α-glycols were prepared from acyloins by catalytic hydrogenation with Raney nickel. The properties of α-glycols were studied.Melting point of the α-glycol is higher than that of the corresponding acyloin or α-diketone and decreases with chain length. Two hydroxyl groups can be quantitatively acetylated by acetic anhydride, and reacted with 3, 5-dinitrobenzoyl chloride to give the crystalline 3, 5-dinitrobenzoate. From mp and optical rotation of fractional crystals, α-glycols obtained by catalytic hydrogenation seem to consist of meso or racemic form. In the acetic acidical solution α-glycols are quantitatively oxidized with periodic acid as well as ethylene glycol, and in the 99% alcoholic solution the oxidation by periodic acid is quite the same as acyloins. When heated to 200°C, these α-glycols are hard to change into ketones by dehydration.α-Glycols show the broad absorption band in the range of 2.293.01μ assigned to associated hydroxyl groups, and complicated bands of C-O stretching in the range of 810μ." @default.
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- W4242524319 date "1961-01-01" @default.
- W4242524319 modified "2023-09-25" @default.
- W4242524319 title "Study on the Reaction of Higher Fatty Acid Esters with Metallic Sodium. V." @default.
- W4242524319 doi "https://doi.org/10.5650/jos1956.10.6" @default.
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