2868-49-7Relevant academic research and scientific papers
Annulation of Diaryl(aryl)phosphenes and Cyclic Imines to Access Benzo-δ-phospholactams
Luo, Yun,Xu, Jiaxi
supporting information, p. 7780 - 7785 (2020/11/02)
Microwave-assisted annulation of cyclic imine dibenzo[b,f][1,4]oxazepines and diaryl(aryl)phosphenes generated from diazo(aryl)methyl(diaryl)phosphine oxides through the Wolff rearrangement accesses pentacyclic benzo-δ-phospholactams, 4b,16-dihydrodibenzo
Asymmetric Hydrogenation of Seven-Membered C=N-containing Heterocycles and Rationalization of the Enantioselectivity
Balakrishna, Bugga,Bauzá, Antonio,Frontera, Antonio,Vidal-Ferran, Anton
supporting information, p. 10607 - 10613 (2016/07/21)
Iridium(I) complexes with phosphine–phosphite ligands efficiently catalyze the enantioselective hydrogenation of diverse seven-membered C=N-containing heterocyclic compounds (eleven examples; up to 97 % ee). The P-OP ligand L3, which incorporates an ortho
Microwave-assisted synthesis of substituted dibenzo[b,f][1,4]thiazepines, dibenzo[b,f][1,4]oxazepines, benzothiazoles, and benzimidazoles
Lin, Yu-Chin,Li, Ni-Ching,Cherng, Yie-Jia
, p. 808 - 814 (2014/06/10)
A highly efficient synthesis for possessing 7-membered rings with two heteroatoms is described, using efficient microwave-assisted one-pot method to synthesize (substituted) dibenzo[b,f][1,4]thiazepines [1] and dibenzo[b,f][1,4]oxazepines [2] in high yields (up to 99%) by cyclocondensations of o-aminothiophenol or o-aminophenol with o-halobenzaldehydes, o-fluoroacetophenone, and o-fluorobenzophenone. In the absence of base, o-aminothiophenol reacted with o-halobenzaldehydes to afford benzothiazoles.
Synthesis and enantioselective hydrogenation of seven-membered cyclic imines: Substituted dibenzo[b,f][1,4]oxazepines
Gao, Kai,Yu, Chang-Bin,Li, Wei,Zhou, Yong-Gui,Zhang, Xumu
supporting information; experimental part, p. 7845 - 7847 (2011/09/13)
Highly enantioselective hydrogenation of seven-membered cyclic imines, substituted dibenzo[b,f][1,4]oxazepines, was achieved, with up to 94% ee, by using the [Ir(COD)Cl]2/(S)-Xyl-C3*-TunePhos complex as the catalyst in the presence of morpholine-HCl.
IRON CATALYZED CROSS-COUPLING REACTIONS OF IMIDOYL DERIVATIVES
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Page/Page column 30; 31; 32; 42; 43; 64; 65, (2010/11/27)
Disclosed is a process for preparing a compound of formula A - N=C(D)(B), from a compound of formula A-N=C(E)(B) and a compound of formula D-M using an iron catalyst, where the process has is represented by Equation (I).
Iron-catalyzed cross-coupling of imidoyl chlorides with Grignard reagents
Ottesen, Lars K.,Ek, Fredrik,Olsson, Roger
, p. 1771 - 1773 (2007/10/03)
A general, high yielding rapid iron-catalyzed cross-coupling reaction between Grignard reagents and imidoyl chlorides is described. These reactions are typically completed within 5 min, resulting in high yields of 71-96% using 5% iron catalyst in a THF-NM
