37097-05-5Relevant academic research and scientific papers
Influence of the post-synthesis method on the number and size of secondary mesoporous structure of NaY zeolite and its effect on catalyst loading. An efficient and eco-friendly catalyst for synthesis of xanthenes under conventional heating
Moosavifar, Maryam,Fathyunes, Leila
, p. 2113 - 2120 (2016)
Several identification techniques have been used to study the effect of the preparation method of dealuminated Y zeolite on catalyst loading. In this paper, NaY zeolite was dealuminated by chemical operation with ethylenediaminetetraacetic acid (H4/
Preparation of various xanthene derivatives over sulfonic acid functionalized imidazolium salts (SAFIS) as novel, highly efficient and reusable catalysts
Zolfigol, Mohammad Ali,Khakyzadeh, Vahid,Moosavi-Zare, Ahmad Reza,Zare, Abdolkarim,Azimi, Seyedeh Bahareh,Asgari, Zhila,Hasaninejad, Alireza
experimental part, p. 719 - 736 (2012/10/08)
In this work, some novel sulfonic acid functionalized imidazolium salts (SAFIS), as a new category of ionic liquids, are synthesized by eco-friendly and simple procedures, and used as highly efficient and reusable catalysts to promote the following one-pot multicomponent organic transformations under solvent-free conditions: (i) the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes from β-naphthol (2 eq.) and arylaldehydes (1 eq.), (ii) the preparation of tetrahydrobenzo[a]xanthene-11-ones from β-naphthol, arylaldehydes and dimedone, and (iii) the synthesis of 1,8-dioxo-octahydroxanthenes from dimedone (2 eq.) and aromatic aldehydes (1 eq.). Environmentally benign, simple methodologies, easy workup procedure, clean reaction, short reaction time, high yield and easy preparation of the catalysts are some advantages of this work.
Trityl chloride (TrCl): Efficient and homogeneous organocatalyst for the solvent-free synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes by in situ formation of carbocationic system
Zare, Abdolkarim,Merajoddin, Maria,Abi, Fereshteh,Moosavi-Zare, Ahmad Reza,Mokhlesi, Mohammad,Zolfigol, Mohammad Ali,Asgari, Zhila,Khakyzadeh, Vahid,Hasaninejad, Alireza,Khalafi-Nezhad, Ali,Parhami, Abolfath
experimental part, p. 860 - 865 (2012/09/07)
Trityl chloride (triphenylmethyl chloride, TrCl, Ph3CCl) is utilized as an efficient and homogeneous organocatalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes from β-naphthol and arylaldehydes under solvent-free conditions. Moreover
