Direct halosulfenylation of benzo[b]furans: a metal-free synthesis of 3-halo-2-thiobenzo[b] furans

Direct halosulfenylation of benzo[b]furans: a metal-free synthesis of 3-halo-2-thiobenzo[b] furans
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苯并[b]呋喃的直接卤代磺酰化:3-卤代-2-硫代苯并[b]呋喃的无金属合成

DOI:
10.1039/c8ob02680g
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发表时间:
2018
影响因子:
3.2
通讯作者:
Jiuxi Chen
Jiuxi Chen
中科院分区:
化学3区
文献类型:
--
作者:
Qianqian Zhen;Dayun Huang;Yinlin Shao;Tianxing Cheng;Jiuxi Chen

文献摘要

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已经实现了苯并[B]呋喃与市售二硫化物和N-卤代琥珀酰亚胺的直接卤代亚磺酰基化的第一个实例,提供了以中等至优异的产率获得不同的3-卤代-2-硫代苯并[B]呋喃的有效的无金属合成途径。特别地,卤素(例如,在苯并[B]呋喃环上的溴或碘)取代基适合于进一步的合成精制,从而拓宽了产物的多样性。
The first example of the direct halosulfenylation of benzo[b]furans with commercially available disulfides and N-halosuccinimides has been achieved, providing an efficient metal-free synthetic pathway to access diverse 3-halo-2-thiobenzo[b]furans in moderate to excellent yields. In particular, a halogen (e.g., bromo or iodo) substituent on the benzo[b]furan ring is amenable for further synthetic elaborations thereby broadening the diversity of the products.