So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Kerek, F.; Ostrogovich, G. researched the compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide( cas:707-61-9 ).Computed Properties of C11H13OP.They published the article 《NMR and uv spectral studies of some 1-aryl-substituted 3-methyl-2-phospholene oxides》 about this compound( cas:707-61-9 ) in Revue Roumaine de Chimie. Keywords: phospholene aryl oxide NMR UV. We’ll tell you more about this compound (cas:707-61-9).
The NMR and uv spectra of 7 1-aryl-3-methyl-2-phospholene oxides (I, R = H, Me, NMe2, etc.) are discussed. The value of 25 cps for the coupling constants of the P atom with vinylic protons indicates a Δ2,3 position of the phospholene ring double bond. The linear correlation of the bathochromic shift values with substituent constants (σ°) shows a low conjugative interaction between the benzene ring and the phosphoryl group.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem