Stereoisomerism in the representative tetracyclic dispiro ozonide derived from (methylene)dicyclohexanone with the 1,5-diketo arrangement
作者:Taisia I. Akimova、Olga A. Soldatkina、Vyacheslav G. Savchenko、Anna V. Pilipenko、Alevtina A. Kapustina
DOI:10.1016/j.mencom.2022.03.040
日期:2022.3
2′-(methylene)-dicyclohexanone into the meso- or rac-diastereomer of tetracyclic dispiro ozonide (1,2,4-trioxolane) in the reaction with 30% aqueous H2O2 in the presence of acid have been determined. A mechanism for the stereoisomerization of ozonides was proposed, and the stereochemistry of diastereomeric ozonides was established by NMR data.
2,2'-(亚甲基)-二环己酮的外消旋形式在与30%的反应中立体选择性转化为四环二螺环臭氧化物(1,2,4-三氧戊环)的内消旋或外消旋非对映体的条件和原因已测定酸存在下的H 2 O 2水溶液。提出了臭氧化物立体异构化的机理,并通过核磁共振数据建立了非对映臭氧化物的立体化学。
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作者:Birkofer,L. et al.
DOI:——
日期:——
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作者:Mounet,J. et al.
DOI:——
日期:——
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DOI:——
日期:——
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作者:V. I. Alekseev、V. A. Kaminskii、V. N. Kuznetsov、V. V. Isakov、A. K. Dzizenko、M. N. Tilichenko