The synthesis and reactivity toward a haem model of trioxane derivatives bearing a 1,2-dioxacyclohexane cycle instead of a 1,2-dioxacycloheptane as in artemisinin, and lacking the lactone ring, are reported. The fact that a trioxane able to generate a C-centred radical (without alkylating ability toward a haem model) was devoid of toxicity against Plasmodium also suggests that the efficiency of antimalarial trioxanes is not due to an oxidant stress.
报告了带有 1,2-dioxacyclohexane 循环(而不是青蒿素中的 1,2-dioxacycloheptane)并缺少内酯环的三氧杂环己烷衍生物的合成和对血清模型的反应性。能够产生以 C 为中心的自由基(对血红素模型没有烷基化能力)的三氧环己烷对疟原虫没有毒性,这一事实也表明,抗疟三氧环己烷的效率不是由于氧化应激。
Epoxyethers. XI. O→O Acyl Migrations with α-Hydroxyacylals
作者:Calvin L. Stevens、Bernard T. Gillis
DOI:10.1021/ja01570a036
日期:1957.7
Alkylating Capacity and Reaction Products of Antimalarial Trioxanes after Activation by a Heme Model
作者:Jérôme Cazelles、Anne Robert、Bernard Meunier
DOI:10.1021/jo010688d
日期:2002.2.1
The reactivity of 1,2,4-trioxane molecules 2-5, structurally related to the antimalarial drug artemisinin, with a heme model, manganese(II) tetraphenylporphyrin, is reported. With the pharmacologically active drugs 2-4, covalent adducts were obtained by addition of a drug-derived radical onto the porphyrin macrocycle, whereas no reaction was obtained with the nonactive compound 5. This confirms that