5/2/2019 By alytic dehydrogenation of secondary butyl alcohol; by dehydration of butane-2,3-diol by refluxing with 25% aqueous H2SO4. Industrially, it is also prepared by controlled oxidation …
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For example, the carbonyl absorptions of 3-buten-2-one and acetophenone occur at 1670 and 1685 cm − 1, respectively, whereas the carbonyl absorption of 2-butanone occurs at 1715 cm − …
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