Nickel-Catalyzed Heteroarenes Cross Coupling via Tandem C–H/C–O Activation
作者:Ting-Hsuan Wang、Ram Ambre、Qing Wang、Wei-Chih Lee、Pen-Cheng Wang、Yuhua Liu、Lili Zhao、Tiow-Gan Ong
DOI:10.1021/acscatal.8b03436
日期:2018.12.7
Inert aryl methyl ethers as coupling components via C–O activation have been established with a Ni catalyst for C–H activation of heteroarene. The key to simultaneous C–H/C–O bond activation is the use of sterically demanding o-tolylMgBr. The protocol is effective for a wide scope of substrates including naphthyl methyl ethers, anisoles, and a variety of other heteroarene derivatives. Detailed mechanistic
aerobic oxidative synthesis of 2-arylbenzo[d]oxazoles, 2-substituted benzo[d]thiazoles, and 1,2-disubstituted benzo[d]imidazoles. N-Heterocyclic carbene (NHC), generated in situ from easily available N-heterocyclic imidazolium salt with air as terminal oxidant, has successfully been utilized as a cheap and efficient catalyst for one-pot aerobic oxidative synthesis of 2-arylbenzo[d]oxazoles, 2-substituted
摘要 N-杂环卡宾(NHC)是由易获得的N-杂环咪唑盐以空气为末端氧化剂原位生成的,已成功地用作便宜且有效的一锅好氧氧化合成2-芳基苯并[ d ]恶唑的催化剂,2-取代的苯并[ d ]噻唑和1,2-二取代的苯并[ d ]咪唑。 N-杂环卡宾(NHC)是由易获得的N-杂环咪唑盐以空气为末端氧化剂原位生成的,已成功地用作便宜且有效的一锅好氧氧化合成2-芳基苯并[ d ]恶唑的催化剂,2-取代的苯并[ d ]噻唑和1,2-二取代的苯并[ d ]咪唑。
Catalytic Oxidative Coupling of Primary Amines under Air: A Flexible Route to Benzimidazole Derivatives
作者:Khac Minh Huy Nguyen、Martine Largeron
DOI:10.1002/ejoc.201501520
日期:2016.2
inspired by copper amineoxidases, we disclose herein the scope and factors influencing the success of the cooperative action of CuBr2 as electron-transfer mediator and a topaquinone-like substrate-selective catalyst in the oxidative cyclocondensation of primary amines with o-aminoanilines. This one-pot atom-economic multistep process, which works under green conditions with ambient air as the terminal
2-arylbenzimidazoles as PPARGC1A activators for treating neurodegenerative diseases
申请人:The Board of Trustees of the Leland Stanford Junior University
公开号:US10851066B2
公开(公告)日:2020-12-01
The compound 2-(3-tert-Butylphenyl)-4,6-difluoro-1H-benzo[d]imidazole and its use are disclosed:
The compound activates Ppargc1a and, as a consequence, is useful for treating neuroinflammation and for treating a variety of neurodegenerative diseases.
2-arylbenzimidazoles as Ppargc1a activators for treating neurodegenerative diseases
申请人:The Board of Trustees of the Leland Stanford Junior University
公开号:US11111217B2
公开(公告)日:2021-09-07
The compound 2-(4-tert-Butylphenyl)-1H-benzo[d]imidazol-5-ol:
and its use are disclosed. The compound activates Ppargc1a and, as a consequence, is useful for treating neuroinflammation and for treating a variety of neurodegenerative diseases.