Iodine(iii)-mediated intramolecular sulfeno- and selenofunctionalization of β,γ-unsaturated tosyl hydrazones and oximes†,Organic & Biomolecular Chemistry

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Iodine(iii)-mediated intramolecular sulfeno- and selenofunctionalization of β,γ-unsaturated tosyl hydrazones and oximes†
Organic & Biomolecular Chemistry ( IF 2.9 ) Pub Date : 2017-12-18 00:00:00 , DOI: 10.1039/c7ob02892j
Jing-Miao Yu _{1,

2,

3,

4} , Chun Cai _{1,

2,

3,

4}

Affiliation

A cascade radical cyclization/sulfenylation or selenylation of β,γ-unsaturated hydrazones and oximes was realized under mild conditions with phenyliodine(III) diacetate (PIDA) as the sole oxidant, leading to the construction of diversely functionalized heteroatom-containing pyrazoline and isoxazoline derivatives. This metal-free radical process is suggested to encompass a sequential C–N/O and C–S/Se bond fomation.

中文翻译：

碘（iii）介导的β，γ-不饱和甲苯磺酰和肟的分子内磺基和硒官能化†

在温和条件下，以二乙酸苯基碘（III）为唯一氧化剂，实现了β，γ-不饱和hydr和肟的级联自由基环化/亚磺酰化或硒基化反应，从而构建了功能多样的含杂原子的吡唑啉和异恶唑啉衍生物。建议这种金属自由基过程包括连续的C–N / O和C–S / Se键形成。

更新日期：2017-12-18

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