The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide(SMILESS: CC1=CP(CC1)(C2=CC=CC=C2)=O,cas:707-61-9) is researched.Recommanded Product: 707-61-9. The article 《Synthesis of novel deoxy λ5 phospha sugar nucleosides: 1,3-dipolar cycloaddition of an azidophospholane with alkynes》 in relation to this compound, is published in Carbohydrate Research. Let’s take a look at the latest research on this compound (cas:707-61-9).
Several novel phospha sugar nucleosides, analogs of normal sugar nucleosides, were synthesized from a phospholene 1-oxide derivative Bromination of a phospholene precursor in aqueous organic medium gave regio diastereomers, the threo and erythro bromohydrins (1-bromo-1,3,4-trideoxy-1,4-C-[(R,S)-phenylphosphinylidene]-glycero-tetrofuranose). Further substitution of the threo isomer with sodium azide led to its corresponding azidophospholane (1-azido-1,3,4-trideoxy-2-methyl-1,4-C-[(R)-phenylphosphinylidene]-β-D-glycero-tetrofuranose) (I). 1,3-Dipolar cycloaddition of I with various electron-deficient and electron-rich alkynes afforded triazole derivatives that are nucleoside analogs. The strong electron-withdrawing phosphoryl group in the hemiacetal ring exerted no effect over reaction regioselectivity of the 1,3-dipolar cycloaddition, but steric effects of the alkynes played a vital role on the selectivity, since the regioisomer ratios and the rates and yields of cycloadducts changed as the bulkiness of the substituents on the acetylene changes. Structures of all compounds were unequivocally confirmed by 1H, 13C, and 31P NMR and mass spectral studies. Single crystal X-ray crystallog. anal. of some derivatives allowed determination of configuration of the phospha sugar nucleosides.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem