Citation: Bing Zuo, Jiu Xi Chen, Miao Chang Liu, Hua Yue Wu, Wei Ke Su. Yb(OTf)₃-catalyzed synthesis of pyrroles under solvent-free conditions[J]. Chinese Chemical Letters, ;2009, 20(4): 423-426. doi: 10.1016/j.cclet.2008.12.046 shu

Yb(OTf)₃-catalyzed synthesis of pyrroles under solvent-free conditions

a College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China;
b College of Pharmaceutical Sciences, Zhejiang University of Technology, Zhejiang Key Laboratory of Pharmaceutical Engineering, Hangzhou 310014, China

Received Date: 6 October 2008

Fund Project: We are grateful to the National Key Technology R&D Program (No. 2007BAI34B00), the National Natural Science Foundation of China (No. 20876147 and 20676123) and the Natural Science Foundation of Zhejiang Province (No. Y4080107) for financial support.

AYb(OTf)₃-catalyzed approach for the synthesis of pyrroles under solvent-free conditions was achieved, which could afford the desired products with yields ranged from moderate to excellent.
- Ytterbium(Ⅲ)triflate,
- Pyrroles,
- γ-Diketone,
- Hydrazide,
- Solvent-free conditions
1. [1]
  Jingjie Tang , Luying Xie , Jiayu Liu , Shangyu Shi , Xinyu Sun , Jiayang Lin , Qikun Yang , Chuan'ang Yu , Zecheng Wang , Yingying Wang , Zengyang Xie . Efficient Rapid Synthesis and Antibacterial Activities of Tosylhydrazones: A Recommended Innovative Chemistry Experiment for Undergraduate Medical University. University Chemistry, 2024, 39(3): 316-326. doi: 10.3866/PKU.DXHX202309091
2. [2]
  Meiling Xu , Xinyang Li , Pengyuan Liu , Junjun Liu , Xiao Han , Guodong Chai , Shuangling Zhong , Bai Yang , Liying Cui . A novel and visible ratiometric fluorescence determination of carbaryl based on red emissive carbon dots by a solvent-free method. Chinese Chemical Letters, 2025, 36(2): 109860-. doi: 10.1016/j.cclet.2024.109860
3. [3]
  Xinyuan Li , Zhuozhu Li , Wenzhong Huang , Jiantao Li , Wei Zhang , Shihao Feng , Hao Fan , Zhuo Chen , Sungsik Lee , Congcong Cai , Liang Zhou . Solvent-free synthesis of Co single atom and nanocluster decorated N-doped carbon for efficient oxygen reduction. Chinese Chemical Letters, 2025, 36(9): 110716-. doi: 10.1016/j.cclet.2024.110716
4. [4]
  Yadong Li , Feng-Huan Du , Junjie Li , Jun Xu , Zhifang Yang , Shanshan Li , Chi Zhang , Yunfei Du . Preparation of benziodazole-triflate and its application as both 2-iodobenzamido- and triflate-transfer reagents. Chinese Chemical Letters, 2025, 36(6): 110338-. doi: 10.1016/j.cclet.2024.110338
5. [5]
  Rong-Nan Yi , Wei-Min He . Electron donor-acceptor complex enabled arylation of dithiocarbamate anions with thianthrenium salts under aqueous micellar conditions. Chinese Chemical Letters, 2024, 35(11): 110194-. doi: 10.1016/j.cclet.2024.110194
6. [6]
  Peng Gao , Hua Qiu , Huan Cheng , Zeyu Du , Xiao Chen , Xing Tan , Chenxi Cai , Qihong Zhang , Tong Yang , Nan Lyu , Qiufen Tu , Xingyi Li , Lei Lu , Nan Huang . Robust and versatile surface via in situ dynamic reassembly of polydopamine under strong alkaline conditions. Chinese Chemical Letters, 2025, 36(10): 110746-. doi: 10.1016/j.cclet.2024.110746
7. [7]
  Yan-Rui Zhao , Jin Zhang , Shi-Kun Yan , Guang-Zhi Zhou , Ya-Hui Wang , Qi-Yue Xin , Ji-Xiang Hu . Solvent-coordination directed control of electron transfer dynamics in photoactive complexes. Chinese Journal of Structural Chemistry, 2025, 44(12): 100753-100753. doi: 10.1016/j.cjsc.2025.100753
8. [8]
  Xia Gao , Shuaikang Sang , Enquan Zhu , Lihua Cai , Chang Liu , Ferdi Karadas , Chao Zhang , Jingxiang Low , Yujie Xiong . Highly dispersed Ni–O site on Ni catalysts for efficient and durable light-driven dry reforming of CH4 at ambient conditions. Chinese Journal of Structural Chemistry, 2025, 44(5): 100570-100570. doi: 10.1016/j.cjsc.2025.100570
9. [9]
  Jun-Ting Mo , Zheng Wang . Achieving tunable long persistent luminescence in metal organic halides based on pyridine solvent. Chinese Chemical Letters, 2024, 35(9): 109360-. doi: 10.1016/j.cclet.2023.109360
10. [10]
  Xiangrong Pan , Xixi Hou , Yuhang Du , Zhixin Pang , Shiyang He , Lan Wang , Jianxue Yang , Longfei Mao , Jianhua Qin , Haixia Wu , Baozhong Liu , Zhan Zhou , Lufang Ma , Chaoliang Tan . Solvent-mediated synthesis of 2D In-TCPP MOF nanosheets for enhanced photodynamic antibacterial therapy. Chinese Chemical Letters, 2025, 36(12): 110536-. doi: 10.1016/j.cclet.2024.110536
11. [11]
  Xiaoqian Wang , Yanling Shen , Long Chen , Lizhi Fang , Kuppusamy Kanagaraj , Ming Rao , Chunying Fan , Wanhua Wu , Cheng Yang . Azobenzene-winged phenanthroline for supramolecular chirality sensing and multidimensional chiroptical manipulation via solvent, light, temperature, and redox. Chinese Chemical Letters, 2026, 37(2): 111710-. doi: 10.1016/j.cclet.2025.111710
12. [12]
  Yinxia SUN , Liping LIU , Xue BAI , Yu SUN , Wanhong SUN , Zhepeng DENG , Jianghai CHEN , Jianjun WANG , Li XU , Shuzhen ZHANG . Synthesis and crystal structures of Co(Ⅱ)/Cu(Ⅱ) coordination polymers based on solvent and ligand concentration regulation strategy. Chinese Journal of Inorganic Chemistry, 2026, 42(2): 340-354. doi: 10.11862/CJIC.20250226
13. [13]
  Tanlai Yu , Le Cen , Yaxin Cheng , Guoshuai Zhang , Dayi Guo , Lei Wu , Xufeng Yang , Zhiyu Zhang , Cuilin Yang , Huan Zhang , Wenjiao Li , Yunlong Fu , Jiang Liu , Yong Yan . Lattice solvent-modulated multicolor photochromism in a donor-acceptor type iodoargentate hybrid. Chinese Journal of Structural Chemistry, 2026, 45(3): 100830-100830. doi: 10.1016/j.cjsc.2025.100830
14. [14]
  Peng Wang , Daijie Deng , Suqin Wu , Li Xu . Cobalt-based deep eutectic solvent modified nitrogen-doped carbon catalyst for boosting oxygen reduction reaction in zinc-air batteries. Chinese Journal of Structural Chemistry, 2024, 43(1): 100199-100199. doi: 10.1016/j.cjsc.2023.100199
15. [15]
  Shuli Wang , Xuemin Kong , Siting Cai , Yunshu Luo , Yuxuan Gu , Xiaotong Fan , Guolong Chen , Xiao Yang , Zhong Chen , Yue Lin . Solvent engineering in perovskite nanocrystal colloid inks for super-fine electrohydrodynamic inkjet printing of color conversion microstructures in micro-LED displays. Chinese Chemical Letters, 2025, 36(8): 110976-. doi: 10.1016/j.cclet.2025.110976
16. [16]
  Yuanfei Liu , Wanjiao Wei , Xu Liu , Rui Hua , Yanjuan Liu , Yuefei Zhang , Wei Chen , Sheng Tang . Green and mild synthesis of Ca-MOF/COF functionalized silica microspheres in an acid-base tunable deep eutectic solvent for multi-mode chromatography. Chinese Chemical Letters, 2026, 37(1): 111186-. doi: 10.1016/j.cclet.2025.111186
17. [17]
  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
18. [18]
  Gongcheng Ma , Qihang Ding , Yuding Zhang , Yue Wang , Jingjing Xiang , Mingle Li , Qi Zhao , Saipeng Huang , Ping Gong , Jong Seung Kim . Palladium-free chemoselective probe for in vivo fluorescence imaging of carbon monoxide. Chinese Chemical Letters, 2024, 35(9): 109293-. doi: 10.1016/j.cclet.2023.109293
19. [19]
  Haiying Lu , Weijie Li . The electrolyte solvation and interfacial chemistry for anode-free sodium metal batteries. Chinese Journal of Structural Chemistry, 2024, 43(11): 100334-100334. doi: 10.1016/j.cjsc.2024.100334
20. [20]
  Tao Wei , Jiahao Lu , Pan Zhang , Qi Zhang , Guang Yang , Ruizhi Yang , Daifen Chen , Qian Wang , Yongfu Tang . An intermittent lithium deposition model based on bimetallic MOFs derivatives for dendrite-free lithium anode with ultrahigh areal capacity. Chinese Chemical Letters, 2024, 35(8): 109122-. doi: 10.1016/j.cclet.2023.109122