Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1001-26-9, is researched, Molecular C7H12O3, about 2-Oxabicyclo[2.1.1]hexane and 2-oxabicyclo[2.1.1]hex-5-yl derivatives, the main research direction is oxabicyclohexane derivative; oxabicyclohexanemethanol brosylate solvolysis; deamination oxabicyclohexylmethylamine; oxidation rearrangement oxabicyclohexanemethanol.Safety of Ethyl 3-Ethoxy-2-Propenoate.
2-Oxabicyclo[2.1.1]hexane (I) was obtained by cyclization of 3-hydroxycyclobutylmethanol while Et 2-oxabicyclo[2.1.1]hexane-endo-5-carboxylate (II) is accessible from Et 3-(2-propenyloxy)propenoate by intramol. photochem. cycloaddition Comparison of the 1H-NMR spectra of I and II confirms the endo configuration of the ethoxycarbonyl group. Thermolysis of II leads to Et 2-ethenyl-4-oxobutyrate. PCC oxidation of 2-oxabicyclo[2.1.1]hexane-endo-5-methanol (III) affords 2,7-dioxabicyclo[3.2.1]oct-3-ene (IV) by rearrangement of the expected aldehyde. Solvolyses of the brosylate derived from III, and nitrous acid deamination of the analogous amine proceed with competitive displacement and fragmentation. Fragmentation is enhanced by better leaving groups, elevated temperatures, and less nucleophilic solvents. Ring expansion, with formation of 2-oxanorbornyl cations, occurs to less than 1%, if at all.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary