6340-89-2Relevant articles and documents
Heterogeneous SO3H@Fe3O4 magnetic nanocatalyst as an efficient and reusable medium for the synthesis of 3,3′-(arylmethylene)-bis-(4-hydroxycoumarin), bis-(indolyl)-methane, and 1,8-dioxo-octahydroxanthene derivatives
Wu, Xiaobo,Peng, Wan-Xi
, p. 2129 - 2148 (2020/06/24)
This work aimed to synthesize a new heterogeneous catalyst (SO3H@Fe3O4 magnetic nanoparticles) and the study of its catalytic behavior in synthesizing 3,3′-(arylmethylene)-bis-(4-hydroxycoumarin), bis-(indolyl)-methane, an
Catalytic efficiency of β-cyclodextrin hydrate-chemoselective reaction of indoles with aldehydes in aqueous medium
Das, Asit Kumar,Sepay, Nayim,Nandy, Sneha,Ghatak, Avishek,Bhar, Sanjay
supporting information, (2020/08/24)
The catalytic efficiency of β-cyclodextrin hydrate has been investigated towards the eco-compatible synthesis of bis-(indolyl)methanes in aqueous medium by the chemoselective reaction of indoles with differently substituted aryl and alkyl aldehydes under
A Star-Shaped Triazine-Based Vitamin B5 Copper(II) Nanocatalyst for Tandem Aerobic Synthesis of Bis(indolyl)methanes
Hasanpour, Benyamin,Jafarpour, Maasoumeh,Eskandari, Ameneh,Rezaeifard, Abdolreza
, p. 4122 - 4129 (2020/07/08)
In this work, the catalytic efficiency of a novel bio-relevant triazine (TA)-based pantothenate (vitamin B5) copper(II) complex [Cu(II)-TA/B5] in the aerobic oxidation of benzyl alcohols and tandem synthesis of bis(indolyl)methanes was exploited. The star-shaped catalyst was characterized by different techniques such as FT-IR, EDX, ICP, TEM, and TGA. TEM images revealed a honeycomb structure resulting from the accumulation of nanoparticles with size ranging between 2–6 nm. The high yields and excellent selectivity were obtained for the production of various benzaldehydes and bis(indolyl)methanes under aerobic conditions. Recycling tests, spectroscopic data, and leaching experiments testified that the title heterogeneous bio-relevant catalyst preserved its activity and structural integrity during oxidation and coupling reactions. The presented catalytic systems qualify all requirements for efficient catalytic systems for applied goals.
Synthesis of bis(indolyl)methanes under dry grinding conditions, promoted by a Lewis acid-surfactant-SiO2-combined nanocatalyst
Wu, Zhiqiang,Wang, Gang,Yuan, Shuo,Wu, Dan,Liu, Wanyi,Ma, Baojun,Bi, Shuxian,Zhan, Haijuan,Chen, Xiaoyan
supporting information, p. 3542 - 3546 (2019/07/10)
An in situ developed Lewis acid-surfactant-SiO2-combined (LASSC) nanocatalyst was used, for the first time, as a green and effective promoting medium for the electrophilic activation of aldehydes under solvent-free and dry grinding conditions. The advantages of using the LASSC nanocatalyst include avoiding the generation of wastewater containing sodium dodecyl sulfate and the use of toxic reagents, excellent reusability of the catalyst, and obtaining a high yield of bis(indolyl)methanes.
Catalyst-free visible-light-induced condensation to synthesize bis(indolyl)methanes and biological activity evaluation of them as potent human carboxylesterase 2 inhibitors
Zhao, Yi-Shu,Ruan, Hong-Li,Wang, Xiu-Yang,Chen, Chen,Song, Pei-Fang,Lü, Cheng-Wei,Zou, Li-Wei
, p. 40168 - 40175 (2019/12/25)
A mild strategy for visible-light-induced synthesis of bis(indolyl)methanes was developed using aromatic aldehydes and indole as substrates. This reaction could be performed at room temperature under catalyst- and additive-free conditions to synthesize a
BiVO4-NPs: an efficient nano-catalyst for the synthesis of biscoumarins, bis(indolyl)methanes and 3,4-dihydropyrimidin-2(1H)-ones (thiones) derivatives
Shirini, Farhad,Lati, Monireh Pourghasemi
, p. 75 - 87 (2017/01/05)
BiVO4-NPs can be used as an efficient and reusable nano-catalyst for the promotion of the synthesis of biscoumarins, bis(indolyl)methanes and 3,4-dihydropyrimidin-2(1H)-ones (thiones) derivatives. The structures of the products were characteriz
Efficient synthesis of bis(indolyl)methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid
Banari, Hoda,Kiyani, Hamzeh,Pourali, Alireza
, p. 1635 - 1649 (2017/02/15)
4-Sulfophthalic acid (4-H3SPA) solution 50?wt% in H2O has been effectively catalyzed the synthesis of a series of biologically relevant bis(indolyl)methanes by the electrophilic substitution of indole derivatives on aldehyde compound
A one-pot synthesis of 2,2′-disubstituted diindolylmethanes (DIMs) via a sequential Sonogashira coupling and cycloisomerization/C3-functionalization of 2-iodoanilines
Kayet, Anirban,Singh, Vinod K.
, p. 6997 - 7007 (2017/09/01)
A Pd(ii)-Ag(i) catalyzed highly efficient synthesis of diindolylmethane has been developed. This transformation consists of a one-pot sequential Sonogashira coupling (and desilylation) followed by cycloisomerization/C3-functionalization of 2-iodoanilines.
A clean synthesis of bis(indolyl)methane and biscoumarin derivatives using P4VPy-CuO nanoparticles as a new, efficient and heterogeneous polymeric catalyst
Shirini, Farhad,Fallah-Shojaei, Abdollah,Samavi, Laleh,Abedini, Masoumeh
, p. 48469 - 48478 (2016/06/09)
P4VPy-CuO nanoparticles as a novel solid catalyst were synthesized using an ultrasound irradiation method and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Fourier Trans
The first urea-based ionic liquid-stabilized magnetic nanoparticles: An efficient catalyst for the synthesis of bis(indolyl)methanes and pyrano[2,3-d]pyrimidinone derivatives
Zolfigol, Mohammad Ali,Ayazi-Nasrabadi, Roya,Baghery, Saeed
, p. 273 - 281 (2016/05/02)
Urea-based ionic liquid stabilized on silica-coated Fe3O4 magnetic nanoparticles, {Fe3O4atSiO2@(CH2)3-Urea-SO3H/HCl}, as an unexceptionable and smooth releasing urea f