• 文献检索
  • 文档翻译
  • 深度研究
  • 学术资讯
  • Suppr Zotero 插件Zotero 插件
  • 邀请有礼
  • 套餐&价格
  • 历史记录
应用&插件
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
定价
高级版会员购买积分包购买API积分包
服务
文献检索文档翻译深度研究API 文档MCP 服务
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利:CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2026

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验

通过B-TiO杂化催化剂与C-F键裂解相结合的光催化烯烃还原反应合成偕二氟烯烃。

Photocatalytic alkene reduction by a B-TiO hybrid catalyst coupled with C-F bond cleavage for gem-difluoroolefin synthesis.

作者信息

Tian Hui, Shimakoshi Hisashi, Imamura Kenji, Shiota Yoshihito, Yoshizawa Kazunari, Hisaeda Yoshio

机构信息

Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Nishi-ku, Motooka, Fukuoka 744, 819-0395, Japan.

出版信息

Chem Commun (Camb). 2017 Aug 22;53(68):9478-9481. doi: 10.1039/c7cc04377e.

DOI:10.1039/c7cc04377e
PMID:28795706
Abstract

Photocatalytic syntheses of gem-difluoroolefins were performed using the B-TiO hybrid catalyst during the C[double bond, length as m-dash]C bond reduction of α-trifluoromethyl styrenes with C-F bond cleavage at room temperature under nitrogen. The gem-difluoroolefins were used as synthetic precursors for fluorinated cyclopropanes.

摘要

在氮气氛围下,于室温通过B-TiO混合催化剂在α-三氟甲基苯乙烯的C═C键还原并伴有C-F键断裂的过程中进行偕二氟烯烃的光催化合成。偕二氟烯烃用作氟化环丙烷的合成前体。

相似文献

1
Photocatalytic alkene reduction by a B-TiO hybrid catalyst coupled with C-F bond cleavage for gem-difluoroolefin synthesis.通过B-TiO杂化催化剂与C-F键裂解相结合的光催化烯烃还原反应合成偕二氟烯烃。
Chem Commun (Camb). 2017 Aug 22;53(68):9478-9481. doi: 10.1039/c7cc04377e.
2
Synthesis of 5-Fluoro-dihydroindolizines from Pyrrole-2-acetic Acids and Trifluoromethyl Alkenes via Dual C-F Bond Cleavage in a CF Group.通过在 CF 基团中双重 C-F 键断裂,从吡咯-2-乙酸和三氟甲基烯烃合成 5-氟二氢吲哚嗪
J Org Chem. 2022 Apr 1;87(7):4801-4812. doi: 10.1021/acs.joc.2c00077. Epub 2022 Mar 17.
3
Pd-Catalyzed Regioselective Activation of gem-Difluorinated Cyclopropanes: A Highly Efficient Approach to 2-Fluorinated Allylic Scaffolds.钯催化的偕二氟环丙烷的区域选择性活化:一种高效构建 2-氟烯丙基骨架的方法。
Angew Chem Int Ed Engl. 2015 Jul 6;54(28):8231-5. doi: 10.1002/anie.201502308. Epub 2015 Jun 1.
4
Deoxygenative gem-difluoroolefination of carbonyl compounds with (chlorodifluoromethyl)trimethylsilane and triphenylphosphine.羰基化合物与(氯二氟甲基)三甲基硅烷和三苯基膦的脱氧二氟烯化反应。
Beilstein J Org Chem. 2014 Feb 6;10:344-51. doi: 10.3762/bjoc.10.32. eCollection 2014.
5
Synthesis of gem-Difluoroalkenes by Merging Ni-Catalyzed C-F and C-C Bond Activation in Cross-Electrophile Coupling.通过交叉亲电偶联中镍催化的C-F和C-C键活化合成偕二氟烯烃
Org Lett. 2019 Apr 19;21(8):2723-2730. doi: 10.1021/acs.orglett.9b00692. Epub 2019 Mar 29.
6
Hybrid selective noncatalytic reduction (SNCR)/selective catalytic reduction (SCR) for NOx removal using low-temperature SCR with Mn-V2O5/TiO2 catalyst.使用Mn-V2O5/TiO2催化剂的低温选择性催化还原法,结合选择性非催化还原(SNCR)/选择性催化还原(SCR)去除氮氧化物。
J Air Waste Manag Assoc. 2015 Apr;65(4):485-91. doi: 10.1080/10962247.2014.1002584.
7
Photocatalytic gem-Difluoroolefination Reactions by a Formal C-C Coupling/Defluorination Reaction with Diazoacetates.通过与重氮乙酸酯进行形式上的C-C偶联/脱氟反应实现的光催化偕二氟烯烃化反应
Angew Chem Int Ed Engl. 2022 Jan 21;61(4):e202111892. doi: 10.1002/anie.202111892. Epub 2021 Dec 9.
8
Synthesis, structure, and reactivity of iridium perfluorocarbene complexes: regio- and stereo-specific addition of HCl across a metal carbon double bond.铱全氟卡宾配合物的合成、结构与反应活性:HCl跨金属碳双键的区域和立体特异性加成
Dalton Trans. 2015 Dec 7;44(45):19528-42. doi: 10.1039/c5dt02275d. Epub 2015 Jul 27.
9
Transformations of alkynes to carboxylic acids and their derivatives via C[triple bond, length as m-dash]C bond cleavage.通过碳-碳三键断裂将炔烃转化为羧酸及其衍生物。
Org Biomol Chem. 2016 Nov 29;14(47):11048-11060. doi: 10.1039/c6ob01912a.
10
The selective activation of a C-F bond with an auxiliary strong Lewis acid: a method to change the activation preference of C-F and C-H bonds.利用辅助强路易斯酸对碳-氟键进行选择性活化:一种改变碳-氟键和碳-氢键活化偏好的方法。
Dalton Trans. 2016 Nov 15;45(45):18133-18141. doi: 10.1039/c6dt03235d.

引用本文的文献

1
Enhanced photocatalytic activity of a B-based catalyst co-photosensitized by TiO and Ru(ii) towards dechlorination.一种由TiO和Ru(ii)共敏化的B基催化剂对脱氯的光催化活性增强。
RSC Adv. 2018 Jan 2;8(2):662-670. doi: 10.1039/c7ra13037f.
2
The preparation and properties of 1,1-difluorocyclopropane derivatives.1,1 - 二氟环丙烷衍生物的制备及其性质
Beilstein J Org Chem. 2021 Jan 26;17:245-272. doi: 10.3762/bjoc.17.25. eCollection 2021.
3
Multifaceted aspects of charge transfer.电荷转移的多方面特性。
Phys Chem Chem Phys. 2020 Oct 14;22(38):21583-21629. doi: 10.1039/d0cp01556c. Epub 2020 Aug 12.
4
Catalyzing the Hydrodefluorination of CF-Substituted Alkenes by PhSiH. H• Transfer from a Nickel Hydride.镍氢化物中 H•转移促进 CF-取代烯烃的加氢脱氟反应
J Am Chem Soc. 2020 Mar 11;142(10):4793-4799. doi: 10.1021/jacs.9b13757. Epub 2020 Jan 24.
5
Learning from B enzymes: biomimetic and bioinspired catalysts for eco-friendly organic synthesis.从B酶中学习:用于环境友好型有机合成的仿生和受生物启发的催化剂。
Beilstein J Org Chem. 2018 Oct 2;14:2553-2567. doi: 10.3762/bjoc.14.232. eCollection 2018.