Copper Oxide Nanoparticle??Catalyzed Chalcogenation of the Carbon??Hydrogen Bond in Thiazoles: Synthesis of 2??(Organochalcogen) thiazoles
AR Rosario, KK Casola, CES Oliveira…
Index: Rosario, Alisson R.; Casola, Kamila K.; Oliveira, Carla E.S.; Zeni, Gilson Advanced Synthesis and Catalysis, 2013 , vol. 355, # 14-15 p. 2960 - 2966
Full Text: HTML
Citation Number: 25
Abstract
Abstract: We present (homepage: www. ufsm. br) herein the application of copper nanoparticles/diorganyl dichalcogenides to promote the synthesis of 2-(organochalcogen) thiazoles via direct carbon-hydrogen bond activation in thiazoles. A systematic study of the catalytic system revealed that the presence and amount of base played an essential role in this reaction. The results revealed that electron-donating and electron-withdrawing ...
Related Articles:
Efficient copper-catalyzed C–S cross-coupling of heterocyclic thiols with aryl iodides
[Niu, Liang-Feng; Cai, Yan; Liang, Chao; Hui, Xin-Ping; Xu, Peng-Fei Tetrahedron, 2011 , vol. 67, # 16 p. 2878 - 2881]
Copper-catalyzed direct thiolation of xanthines and related heterocycles with disulfides
[He, Zuying; Luo, Fang; Li, Yinglong; Zhu, Gangguo Tetrahedron Letters, 2013 , vol. 54, # 44 p. 5907 - 5910]
[Yasuike, Shuji; Nishioka, Motokazu; Kakusawa, Naoki; Kurita, Jyoji Tetrahedron Letters, 2011 , vol. 52, # 48 p. 6403 - 6406]
N-heterocyclic carbene copper (I) complex-catalyzed direct C–H thiolation of benzothiazoles
[Inomata, Hiroshi; Toh, Ayumi; Mitsui, Takashi; Fukuzawa, Shin-Ichi Tetrahedron Letters, 2013 , vol. 54, # 35 p. 4729 - 4731]
[Arisawa, Mieko; Toriyama, Fumihiko; Yamaguchi, Masahiko Tetrahedron Letters, 2011 , vol. 52, # 18 p. 2344 - 2347]