Reference of 31608-22-7, An article , which mentions 31608-22-7, molecular formula is C9H17BrO2. The compound – 2-(4-Bromobutoxy)tetrahydro-2H-pyran played an important role in people’s production and life.
A series of 5-alkenyl and 6-alkenyl aldehydes bearing aryl and ester functionality on the alkene and with and without 1,3-dioxolane substitution at the 3-position has been prepared.The N-methyl and N-benzyl nitrones derived by the condensation of the aldehydes with the corresponding hydroxylamines undergo intramolecular 1,3-dipolar cycloaddition on heating (or at room temperature in two instances) to give either bridged or fused isoxazolidines depending on the regiochemistry of the cycloaddition reaction.The 6-alkenyl nitrones give fused products in all cases except those bearing an aryl group at C-6, which give bridged products.All of the 5-alkenyl nitrones prepared in this study cyclized to afford fused isoxazolidines.
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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics