52162-47-7Relevant academic research and scientific papers
Benzamidine derivatives, preparation methods and applications
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Paragraph 0122-0125, (2022/01/12)
The present invention discloses benzamidine derivatives, preparation methods and applications. Benzamidine derivatives involved include benzamidine derivatives containing 1,2,4-triazole methyl and non-heterocyclically substituted benzamidine derivatives.
Sequential C-H activation enabled expedient delivery of polyfunctional arenes
Cai, Xiaoqing,Chen, Qian,Chen, Xiaojian,Gao, Yang,Huo, Yanping,Li, Xianwei,Ouyang, Wensen,Rao, Jianhang,Wang, Jie
supporting information, p. 8075 - 8078 (2021/08/20)
Modular construction of polyfunctional arenes from abundant feedstocks stands as an unremitting pursue in synthetic chemistry, accelerating the discovery of drugs and materials. Herein, using the multiple C-H activation strategy with versatile imidate esters, the expedient delivery of molecular libraries of densely functionalized sulfur-containing arenes was achieved, which enabled the concise construction of biologically active molecules, such as Bipenamol.
Synthesis of Highly Fused Pyrano[2,3- b]pyridines via Rh(III)-Catalyzed C-H Activation and Intramolecular Cascade Annulation under Room Temperature
Han, Xu,Gao, Feng,Li, Chunpu,Fang, Daqing,Xie, Xiong,Zhou, Yu,Liu, Hong
supporting information, p. 6281 - 6294 (2020/03/05)
A facile access to the polycyclic-fused pyrano[2,3-b]pyridines has been established under room temperature via Rh(III)-catalyzed C-H bond activation and intramolecular cascade annulation. This strategy features high efficiency, unique versatility, and gen
Rh(III)-Catalyzed [3 + 2] Annulation via C-H Activation: Direct Access to Trifluoromethyl-Substituted Indenamines and Aminoindanes
Chaudhary, Bharatkumar,Auti, Prashant,Shinde, Suchita Dattatray,Yakkala, Prasanna Anjaneyulu,Giri, Deepesh,Sharma, Satyasheel
supporting information, p. 2763 - 2767 (2019/04/30)
The rhodium(III)-catalyzed direct C-H addition and annulation of benzimidates and aldimines with β-(trifluoromethyl)-α,β-unsaturated ketones is described. This protocol provides the facile and efficient formation of various trifluoromethyl-containing inde
Rhodium-Catalyzed Relay Carbenoid Functionalization of Aromatic C-H Bonds toward Fused Heteroarenes
Wu, Xiaopeng,Xiong, Hao,Sun, Song,Cheng, Jiang
supporting information, p. 1396 - 1399 (2018/03/09)
A rhodium-catalyzed annulation between ethyl benzimidates and α- aroyl sulfur ylides was developed, affording a series of pyrano[4,3,2-ij]isoquinoline derivatives in moderate to good yields with good functional group compatibility. The procedure featured
Synthesis of Isoquinolines through IrIII-Catalyzed C–H Activation/Annulation from Benzimidates with Hydroxylisopropylalkynes
Liu, Mingliang,Gong, Wanchun,You, Erli,Zhang, Haizhen,Shi, Lei,Cao, Weiguo,Shi, Jingjing
supporting information, p. 4991 - 4995 (2018/10/05)
An IrIII-catalyzed cascade reaction consisting of C–H activation/annulation of benzimidates with hydroxylisopropylalkynes is reported. A broad range of isoquinolines has been prepared in one step with good functiona-group tolerance and high eff
Ruthenium (II)-Catalyzed Oxidant-Free Coupling/Cyclization of Benzimidates and Sulfoxonium Ylides to Form Substituted Isoquinolines
Shi, Xinxia,Wang, Rongchao,Zeng, Xiaofei,Zhang, Yilan,Hu, Huiling,Xie, Chunsong,Wang, Min
supporting information, p. 4049 - 4053 (2018/09/21)
A ruthenium-catalyzed direct mono-C?H functionalization/annulation cascade reaction of benzimidates and sulfoxonium ylides has been developed. The reaction proceeds smoothly with a broad range of substrates, giving access to a variety of isoquinoline deri
Synthesis of Functionalized Indenones via Rh-Catalyzed C-H Activation Cascade Reaction
Lv, Ningning,Chen, Zhengkai,Liu, Yue,Liu, Zhanxiang,Zhang, Yuhong
supporting information, p. 2588 - 2591 (2017/05/24)
An efficient and expeditious protocol for the synthesis of diverse difunctionalized indenones through rhodium-catalyzed C-H activation and multistep cascade reaction of benzimidates and alkenes has been developed. The transformation involves the cleavage and formation of multiple bonds in one pot under mild reaction conditions, and Mn(OAc)2 plays an important role in the reaction.
Cobalt-Catalyzed Oxidant-Free Spirocycle Synthesis by Liberation of Hydrogen
Lv, Ningning,Liu, Yue,Xiong, Chunhua,Liu, Zhanxiang,Zhang, Yuhong
supporting information, p. 4640 - 4643 (2017/09/12)
The first example of oxidant-free cobalt-catalyzed synthesis of five-membered spirocycles is reported from benzimidates and maleimides utilizing nitrobenzene as promoter. In contrast to previously known cobalt-catalyzed oxidative C-H functionalization rea
Ruthenium(II)-Catalyzed Redox-Neutral Oxidative Cyclization of Benzimidates with Alkenes with Hydrogen Evolution
Manikandan, Rajendran,Tamizmani, Masilamani,Jeganmohan, Masilamani
supporting information, p. 6678 - 6681 (2017/12/26)
1H-Isoindoles and 2H-isoindoles are synthesized via a ruthenium-catalyzed oxidant-free cyclization of benzimidates with alkenes at room temperature with the liberation of H2. Later, 1H-isoindoles were converted into nitrogen-containing heterocy
