5443-78-7Relevant academic research and scientific papers
Copper Catalyzed Synthesis of 3-Nitro-Quinolines from Nitro-Olefins and Anthranils: Its Application in the Synthesis of Quindoline
Awasthi, Annapurna,Yadav, Pushpendra,Yadav, Sourabh,Tiwari, Dharmendra Kumar
supporting information, p. 41 - 46 (2021/10/14)
Copper-catalyzed routes have been achieved for the synthesis of 3-nitroquinolines from readily available nitroolefins and anthranils. This reaction proceeds via the [4+2] cycloaddition between anthranils and nitro-styrenes under mild reaction conditions to obtain biologically important heterocycles. A wide range of diversely substituted nitro-olefins and anthranils are successfully employed in this reaction to access a series of 3-nitro-quinolines in 81–93% yields. The synthetic utility of the present methodology is also illustrated in this manuscript. (Figure presented.).
Copper-Catalyzed Synthesis of 3-NO2 Quinolines from o-Azidobenzaldehyde and Nitro-olefins and its Application in the Concise Synthesis of Quindolines
Zheng, Lei,Zeng, Zhigang,Yan, Qiong,Jia, Fengcheng,Jia, Lihui,Chen, Yunfeng
supporting information, p. 4037 - 4042 (2018/09/14)
An efficient copper-catalyzed cyclization of o-azidobenzaldehyde and nitro-olefins was developed. This reaction proceeds under solvent-free conditions and displays broad functional group compatibility and affords 3-nitroquinolines in good to excellent yields. The synthetic utility of this strategy is illustrated by the concise construction of quindolines in only three steps, which renders the reaction more practical. (Figure presented.).
An Investigation of the Reaction of 2-Aminobenzaldehyde Derivatives with Conjugated Nitro-olefins: An Easy and Efficient Synthesis of 3-Nitro-1,2-dihydroquinolines and 3-Nitroquinolines
Yan, Ming-Chung,Tu, Zhijay,Lin, Chunchi,Ko, Shengkai,Hsu, Jianming,Yao, Ching-Fa
, p. 1565 - 1570 (2007/10/03)
2-Aryl-3-nitro-1,2-dihydroquinolines 3 were prepared from the reaction of β-nitrostyrenes 2 and 2-aminobenzaldehyde 1 in the presence of DABCO. Not only β-nitrostyrenes but other alkyl nitro olefins also can be used in this reaction as well. When DDQ or silica gel was added to a solution of 3-nitro-1,2-dihydroquinolines 3, 3-nitro-2-substituted-quinolines 4 were obtained. When 2-aminobenzaldehyde derivatives 7 and 12 were reacted with β-nitrostyrenes 2, unique rearrangement products were produced.
