高等学校化学学报 ›› 2019, Vol. 40 ›› Issue (4): 725.doi: 10.7503/cjcu20180599

• 有机化学 • 上一篇    下一篇

Sc(Ⅲ)催化硫醇对邻亚甲基苯醌的亲核加成反应合成邻羟基苄硫醚衍生物

张硕(), 于一涛, 李庆刚, 赵宁, 侯梓桐, 刘一帆, 李冰, 牟秋红, 李金辉, 王峰, 彭丹()   

  1. 齐鲁工业大学(山东省科学院)新材料研究所, 山东省特种含硅新材料重点实验室, 济南 250014
  • 收稿日期:2018-08-27 出版日期:2019-04-03 发布日期:2019-01-15
  • 作者简介:

    联系人简介: 张 硕, 男, 博士, 助理研究员, 主要从事有机催化反应方面的研究. E-mail: e50687e@163.com;彭 丹, 女, 博士, 副研究员, 主要从事有机催化反应和有机硅化学方面的研究. E-mail: lonarpeng@aliyun.com

  • 基金资助:
    山东省自然科学基金(批准号: ZR2017BB033)、 山东省科学院青年科学基金(批准号: 2018QN0030)和国家自然科学基金(批准号: 51503118)资助.

Sc(Ⅲ) Catalyzed Nucleophilic Addition of in situ Generated ortho-Quinone Methides with Thiols: an Efficient Access to ortho-Hydroxybenzyl Thioethers

ZHANG Shuo*(), YU Yitao, LI Qinggang, ZHAO Ning, HOU Zitong, LIU Yifan, LI Bing, MU Qiuhong, LI Jinhui, WANG Feng, PENG Dan*()   

  1. Shandong Provincial Key Laboratory for Special Silicone-Containing Materials, Advanced Materials Institute, Qilu University of Technology(Shandong Academy of Sciences), Ji’nan 250014, China
  • Received:2018-08-27 Online:2019-04-03 Published:2019-01-15
  • Contact: ZHANG Shuo,PENG Dan E-mail:e50687e@163.com;lonarpeng@aliyun.com
  • Supported by:
    † Supported by the Natural Science Foundation of Shandong Province, China(No.ZR2017BB033), the Youth Science Funds of Shandong Academy of Sciences, China(No.2018QN0030) and the National Natural Science Foundation of China(No.51503118).

摘要:

以2-[羟基(苯基)甲基]苯酚类化合物和简单的硫醇为原料, 1,2-二氯乙烷为溶剂, 在Sc(Ⅲ)促进下原位生成邻亚甲基苯醌, 并发生亲核加成反应构建邻羟基苄硫醚. 该反应在50 ℃下搅拌2 h即可完成, 目标产物产率82%95%. 反应可放大至克级规模.

关键词: 邻亚甲基苯醌, 钪(Ⅲ);, 硫醇, 亲核加成反应, 邻羟基苄硫醚

Abstract:

Ortho-hydroxybenzyl thioethers play a vital role in chemical biology as they have anti-oxidant and anti-inflammatory properties. o-Quinone derivatives is not only a variety of active and important intermediate, but also widely used in the synthesis of natural products and medicinal chemistry. In the present study, the Sc(Ⅲ) catalyzed nucleophilic addition to o-quinone methides by thiols for the synthesis of ortho-hydroxybenzyl thioethers was developed. The reactions could be carried out with different primary thiols, secondary thiols and benzothiols. For 2-[hydroxyl(phenyl)methyl]phenols, electron-withdrawing groups and electron-donating groups on aromatic rings could react smoothly to obtain corresponding products. The structures of the products were characterized by infrared spectra, proton nuclear magnetic resonance, carbon nuclear magnetic resonance and high resolution mass spectra. The prominent features of the present strategy are wide substrate scope, mild reaction conditions and moderate to good yields. Furthermore, the reaction could be scaled up to multigram scale. A preliminary series of control experiments has been analyzed and the study on the extension to para-hydroxybenzyl alcohols for the synthesis of para-hydroxybenzyl thioethers has been achieved.

Key words: o-Quinone, Scandium(Ⅲ);, Thiol, Nucleophilic addition, ortho-Hydroxybenzyl thioether

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