Citation: Sheng Jian ZHANG, Zhang Gao LE. A Simple and Selective Procedure for α-Bromination of Alkanones with [Bmim]Br₃ as a Promoter under Solvent-free Conditions[J]. Chinese Chemical Letters, ;2005, 16(12): 1590-1592. shu

A Simple and Selective Procedure for α-Bromination of Alkanones with [Bmim]Br₃ as a Promoter under Solvent-free Conditions

Sheng Jian ZHANG ^1, ,
Zhang Gao LE ²

1.
Ningbo Institute of Technology, Zhejiang University, Ningbo 315100;
2.
Department of Applied Chemistry, East China Institute of Technology, Fuzhou 344000

Received Date: 4 April 2005

Reaction of alkanones with 1-butyl-3-methylimidazolium tribromide ([Bmim]Br₃) under solvent-free conditions, selectively gave the corresponding α-bromoalkanones with excellentyields.
- Alkanone,
- ionic liquid,
- [Bmim]Br₃
1. [1]
  Tong Zhang , Xiaojing Liang , Licheng Wang , Shuai Wang , Xiaoxiao Liu , Yong Guo . An ionic liquid assisted hydrogel functionalized silica stationary phase for mixed-mode liquid chromatography. Chinese Chemical Letters, 2025, 36(1): 109889-. doi: 10.1016/j.cclet.2024.109889
2. [2]
  Jiajia Wang , XinXin Ge , Yajing Xiang , Xiaoliang Qi , Ying Li , Hangbin Xu , Erya Cai , Chaofan Zhang , Yulong Lan , Xiaojing Chen , Yizuo Shi , Zhangping Li , Jianliang Shen . An ionic liquid functionalized sericin hydrogel for drug-resistant bacteria-infected diabetic wound healing. Chinese Chemical Letters, 2025, 36(2): 109819-. doi: 10.1016/j.cclet.2024.109819
3. [3]
  Yuhao Zhou , Siyuan Wu , Xiaozhe Ren , Hongjin Li , Shu Li , Tianying Yan . Effects of salt fraction on the Na⁺ transport in salt-in-ionic liquid electrolytes. Chinese Chemical Letters, 2025, 36(6): 110048-. doi: 10.1016/j.cclet.2024.110048
4. [4]
  Mengyu Chen , Qinglin Zhou , Tianyun Qin , Ningyao Sun , Yuxi Chen , Yuwei Gong , Xingyi Li , Jinsong Liu . An ionic liquid-reinforced gelatin hydrogel with strong adhesion, antibacterial and anti-inflammatory properties for treating oral ulcers. Chinese Chemical Letters, 2025, 36(7): 110441-. doi: 10.1016/j.cclet.2024.110441
5. [5]
  Xiao-Yu Han , Si-Hua Liu , Su-Yun Zhang , Jian-Ke Sun . Functionally graded materials based on porous poly(ionic liquid)s: Design strategies and applications. Chinese Journal of Structural Chemistry, 2025, 44(7): 100601-100601. doi: 10.1016/j.cjsc.2025.100601
6. [6]
  Luyu Zhang , Zirong Dong , Shuai Yu , Guangyue Li , Weiwen Kong , Wenjuan Liu , Haisheng He , Yi Lu , Wei Wu , Jianping Qi . Ionic liquid-based in situ dynamically self-assembled cationic lipid nanocomplexes (CLNs) for enhanced intranasal siRNA delivery. Chinese Chemical Letters, 2024, 35(7): 109101-. doi: 10.1016/j.cclet.2023.109101
7. [7]
  Yidan Mao , Bingyu Li , Shuailing Ma , Siwen Cui , Zihan Zhang , Pinwen Zhu , Kongsheng Qi , Xiaodong Li , Weiwei Dong , Wei Luo , Rajeev Ahuja , Dexin Yang , Tian Cui . Metal diborides as robust and highly stable electrodes for efficient electrocatalytic reduction of CO₂ to CO in ionic liquid-based electrolytes. Chinese Chemical Letters, 2026, 37(4): 111675-. doi: 10.1016/j.cclet.2025.111675
8. [8]
  Li-Ying Wang , Jun-Jie Yu , Shuai Wang , Yang Liu , Ke-Xian Song , Ji-Pan Yu , Li-Yong Yuan , Zhi-Rong Liu , Wei-Qun Shi . Pyridine-based ionic sp² carbon-conjugated covalent organic frameworks for selective extraction of Pu(Ⅳ) from high-level liquid waste. Chinese Chemical Letters, 2025, 36(8): 110706-. doi: 10.1016/j.cclet.2024.110706
9. [9]
  Qiuting Zhang , Fan Wu , Jin Liu , Hang Su , Yanhui Zhong , Zian Lin . Facile synthesis of single-crystal 3D covalent organic frameworks as stationary phases for high-performance liquid chromatographic separation. Chinese Chemical Letters, 2025, 36(8): 110649-. doi: 10.1016/j.cclet.2024.110649
10. [10]
  Juanjuan Wang , Yangxia Han , Qixia Guan , Jia Chen , Hongdeng Qiu . Photochromic ionic self-assembled ionic-bonded organic crystals: Blue-shifted and enhanced luminescence. Chinese Chemical Letters, 2026, 37(4): 111732-. doi: 10.1016/j.cclet.2025.111732
11. [11]
  Yixia Zhang , Caili Xue , Yunpeng Zhang , Qi Zhang , Kai Zhang , Yulin Liu , Zhaohui Shan , Wu Qiu , Gang Chen , Na Li , Hulin Zhang , Jiang Zhao , Da-Peng Yang . Cocktail effect of ionic patch driven by triboelectric nanogenerator for diabetic wound healing. Chinese Chemical Letters, 2024, 35(8): 109196-. doi: 10.1016/j.cclet.2023.109196
12. [12]
  Pei Cao , Yilan Wang , Lejian Yu , Miao Wang , Liming Zhao , Xu Hou . Dynamic asymmetric mechanical responsive carbon nanotube fiber for ionic logic gate. Chinese Chemical Letters, 2024, 35(6): 109421-. doi: 10.1016/j.cclet.2023.109421
13. [13]
  Qiangwei Wang , Huijiao Liu , Mengjie Wang , Haojie Zhang , Jianda Xie , Xuanwei Hu , Shiming Zhou , Weitai Wu . Observation of high ionic conductivity of polyelectrolyte microgels in salt-free solutions. Chinese Chemical Letters, 2024, 35(4): 108743-. doi: 10.1016/j.cclet.2023.108743
14. [14]
  Hao-Cong Li , Ming Zhang , Qiyan Lv , Kai Sun , Xiao-Lan Chen , Lingbo Qu , Bing Yu . Homogeneous catalysis and heterogeneous separation: Ionic liquids as recyclable photocatalysts for hydroacylation of olefins. Chinese Chemical Letters, 2025, 36(2): 110579-. doi: 10.1016/j.cclet.2024.110579
15. [15]
  Xiang Li , Haikun Guo , Shengchao Chai , Haibin Li , Shihao Song , Peng Zuo , Haolong Li . Polyoxometalate-based supramolecular ionic network electrolytes for flexible proton conductors. Chinese Chemical Letters, 2026, 37(4): 110750-. doi: 10.1016/j.cclet.2024.110750
16. [16]
  Hongxia Li , Xiyang Wang , Du Qiao , Jiahao Li , Weiping Zhu , Honglin Li . Mechanism of nanoparticle aggregation in gas-liquid microfluidic mixing. Chinese Chemical Letters, 2024, 35(4): 108747-. doi: 10.1016/j.cclet.2023.108747
17. [17]
  Liming Li , Yanchang Liu , Peng Kang , Donghui Feng , Yuguang Zhang , Hangxing Ren , Jianrong Zeng , He Zhu , Qiang Li , Xiaoya Cui . Scalable and rapid liquid synthesis of PtNi electrocatalyst for hydrogen evolution reaction. Chinese Chemical Letters, 2026, 37(2): 112022-. doi: 10.1016/j.cclet.2025.112022
18. [18]
  Runze Liu , Yankai Bian , Weili Dai . Qualitative and quantitative analysis of Brønsted and Lewis acid sites in zeolites: A combined probe-assisted 1H MAS NMR and NH3-TPD investigation. Chinese Journal of Structural Chemistry, 2024, 43(4): 100250-100250. doi: 10.1016/j.cjsc.2024.100250
19. [19]
  Yuan Teng , Zichun Zhou , Jinghua Chen , Siying Huang , Hongyan Chen , Daibin Kuang . Dual atom-bridge effect promoting interfacial charge transfer in 2D/2D Cs₃Bi₂Br₉/BiOBr epitaxial heterojunction for efficient photocatalysis. Chinese Chemical Letters, 2025, 36(2): 110430-. doi: 10.1016/j.cclet.2024.110430
20. [20]
  Le Han , Zhou Yuan , Bohan Li , Yuchi Zhang , Lin Yang , Yan Xu . Highly-stable cesium lead halide perovskite CsPbBr₃/CsPb₂Br₅ heteronanocrystals in zeolitic imidazolate framework-8 for antibiotic photodegradation. Chinese Chemical Letters, 2025, 36(6): 110349-. doi: 10.1016/j.cclet.2024.110349