829-48-1Relevant academic research and scientific papers
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
Benzimidates as gem-Diamidation and Amidoindolyzation Cascade Synthons with a Hydrated NiII Catalyst
Nandi, Rajesh,Mandal, Prakash K.,Kayet, Anirban,Bhattachariya, Tamalika,Ghosh, Sukla,Maiti, Dilip K.
supporting information, p. 3474 - 3478 (2020/04/20)
We contributed a new benzimidate chemistry through moisture-insensitive NiII/NiII-FeIII combo-catalysis for a simultaneous 2-3 bond-forming gem-diamidation and amidoindolyzation cascade reaction to construct symmetrical an
An efficient, stereocontrolled and versatile synthetic route to bicyclic partially saturated privileged scaffolds
Bond, Andrew D.,Hanby, Abigail R.,King, Thomas A.,Moss, Thomas A.,Sore, Hannah F.,Spring, David R.,Stewart, Hannah L.
supporting information, p. 6818 - 6821 (2020/07/04)
Herein, we describe the development of a simple, high yielding and stereocontrolled strategy for the synthesis of a series of triazolopiperazines and other biologically relevant fused scaffolds from optically active amino acids. This route was applied to the synthesis of 22 scaffolds containing new, previously inaccessible vectors and used to access a novel analogue of ganaplacide.
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
Controllable Rh(III)-Catalyzed C-H Arylation and Dealcoholization: Access to Biphenyl-2-carbonitriles and Biphenyl-2-carbimidates
Jiang, Bo,Wu, Songxiao,Zeng, Jing,Yang, Xiaobo
supporting information, p. 6573 - 6577 (2018/10/09)
A controllable Rh(III)-catalyzed C-H arylation and dealcoholization of benzimidates with arylboronic esters was developed, delivering various biphenyl-2-carbonitriles and biphenyl-2-carbimidates by simply tuning the reaction conditions. This approach features high efficiency, good functional group tolerance, and easy operation. It also provides an alternative pathway to thoroughly exploit the directing group in transition-metal-catalyzed C-H activations.
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
