15952-10-0Relevant academic research and scientific papers
Fe3O4@SiO2/collagen: An efficient magnetic nanocatalyst for the synthesis of benzimidazole and benzothiazole derivatives
Ghafuri, Hossein,Esmaili, Elahe,Talebi, Majid
, p. 942 - 950 (2016/08/08)
In this project, Fe3O4@SiO2 was synthesized and combined with collagen for the preparation of Fe3O4@SiO2/collagen. It was characterized by FT-IR, 1H NMR, VSM, XRD, EDX, SEM and T
Peroxide-Free Pd(II)-Catalyzed Ortho Aroylation and Ortho Halogenation of Directing Arenes
Santra, Sourav Kumar,Banerjee, Arghya,Mohanta, Prakash Ranjan,Patel, Bhisma K.
, p. 6066 - 6074 (2016/07/26)
A Pd(II)-catalyzed peroxide-free ortho aroylation of directing arenes has been developed via cross dehydrogenative coupling (CDC) in the presence of the terminal oxidant Cu(OAc)2·H2O. Ortho aroylation of directing arenes proceeds via
Palladium catalyzed ortho-halogenation of 2-arylbenzothiazole and 2,3-diarylquinoxaline
Santra, Sourav Kumar,Banerjee, Arghya,Khatun, Nilufa,Samanta, Asim,Patel, Bhisma K.
, p. 11960 - 11965 (2015/02/19)
A palladium catalysed ortho-halogenation strategy has been developed using benzothiazoles and quinoxalines as the directing substrates. This method provides mono-o-halogenated product at the other available ortho site of a mono-ortho substituted 2-arylbenzothiazole. However, ortho-unsubstituted 2-arylbenzothiazole afforded di-ortho halogenated product exclusively. The preformed (or installed) ortho-group is towards the sulphur side of the benzothiazole from energy minimised calculation. Thus the selective formation of di-ortho-halogenated products is due to favourable exposure of the second ortho site for subsequent halogenation. However the phenyl ring in 2,3-diarylquinoxalines can be selectively mono ortho halogenated. A plausible reaction mechanism has been proposed for this halogenation process.
Samarium diiodide promoted reductive cyclization of nitrodisulfides with nitriles: A new route to benzothiazoles
Zhong,Zhang,Chen
, p. 316 - 318 (2007/10/03)
Benzothiazole derivatives are prepared via reductive cyclization of nitrodisulfides with nitriles promoted by SmI2 under mild and neutral conditions.
