Results 41 to 50 of about 2,334 (173)
Advanced Science, EarlyView.A piezocatalytic strategy enables simultaneous wastewater purification and hydrogen generation by harnessing mechanical energy. Complementary piezo‐induced charges are selectively directed toward oxidation and reduction pathways, achieving efficient pollutant degradation and continuous H2 evolution.
Yiqing Wei +8 more
wiley +1 more source
, 2019 A new anode strategy for accessing xanthen-9-azoles via an electrochemical C(sp3)–H/N–H cross-coupling of xanthenes with azoles is described. This reaction proceeds efficiently with a broad scope of both xanthenes and N–H-free azoles under metal- and ...
Yong-Zheng Yang +5 more
core +1 more source
Advanced Science, EarlyView.Boronic acid‐based fluorescent hybrids have been used as part of a versatile platform for real‐time metabolic bioimaging across cellular and organismal scales. Including glucose‐responsive imaging in living cells and in an insulin‐deficient vertebrate model, this work opens new opportunities for the development of precision diagnostics, metabolic ...
Haobo Ge +13 more
wiley +1 more source
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2018 This method reported the use of tartaric acid as a green and highly efficient catalyst for the convenient synthesis of polysubstituted quinolines and xanthenes derivatives in excellent yields under solvent-free conditions. The main advantages of this one-
Farzaneh Mohamadpour +4 more
doaj +1 more source
Nano-TiCl4.SiO2: A Versatile and Efficient Catalyst for Synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes [PDF]
Journal of Nanostructures, 2013 Nano-silica supported titanium tetrachloride (TiCl4.SiO2) was prepared and used as an acid catalyst for the 14-aryl or alkyl-14H-dibenzo[a,,j]xanthenesreaction under solvent-free conditions.
B. F. Mirjalili, A. Bamoniri, L. Zamani
doaj +1 more source
FeCl3.nano SiO2: An Efficient Heterogeneous Nano Catalyst for the Synthesis of 14-Aryl-14H-dibenzo[a,j]xanthenes and 1,8-Dioxo-octahydro-xanthenes under Solvent-free Conditions [PDF]
, 2015 A novel, efficient and eco-friendly procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydroxanthenes is described through one-pot condensation of 2-naphthol and dimedone with aryl aldehydes in the presence of nano silica ...
Ghasemzadeh, MA +2 more
core
Synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes using CuSO4·5H2O as a green and reusable catalyst [PDF]
, 2013 The synthesis of 14-aryl-14H-dibenzno[a,j]xanthenes has attracted considerable attention in organic synthesis. In this article, aromatic aldehydes have been employed with 2-naphthol in the presence of CuSO4·5H2O under solvent-free conditions to afford ...
Valiallahi, Mastooreh +1 more
core +1 more source
Journal of Saudi Chemical Society, 2017 This report describes an efficient method for the synthesis of 1,8-dioxo-octahydroxanthene, 14H-dibenzo[a,j]xanthene, 12-aryl-tetrahydrobenzo[a]xanthenes-11-one and 13-aryl-5H-dibenzo[b,i]xanthene-5,7,12,14(13H)-tetraone derivatives in the presence of a ...
Firouzeh Nemati, Samane Sabaqian
doaj +1 more source
Multicomponent synthesis of novel azo-linked 9-Aryl-1H-xanthene-1,8(2H)-diones using ionic liquid [BDBDMIm]HSO4 [PDF]
شیمی کاربردی روز, 2019 The synthesis of ten novel azo dyes derived from 9-Aryl-1H-xanthene-1,8(2H)-dione derivatives from one equivalent of azo-linked salicylaldehydes and two equivalent of dimedone in the presence of 3,3'-(butane-1,4-diyl)bis(1,2-dimethyl-1H-imidazol-3-ium ...
mohammad nikpassand, leila Zare Fekri
doaj +1 more source
Synthesis and in vitro study of 14-aryl-14H-dibenzo[a.j]xanthenes as cytotoxic agents
, 2009 A simple and expedient method for the synthesis of a series of 14-aryl-14H-dibenzo[a.j]xanthenes is described through a one-pot condensation of b-naphthol with aryl aldehydes catalysed by TaCl5 under solvent-free conventional heating.
Rana, Kalpeshkumar C. +4 more
core +1 more source