328311-17-7Relevant academic research and scientific papers
Sulfonated Honeycomb Coral (HC-SO3H): A new, green and highly efficient heterogeneous catalyst for the rapid one-pot pseudo-five component synthesis of 4,4′-(aryl methylene) bis(3-methyl-1H-pyrazol-5-ol)s
Jahanshahi, Roya,Akhlaghinia, Batool
, p. 1351 - 1364 (2017)
Sulfonated Honeycomb Coral (HC-SO3H), has been synthesized from the reaction of Honeycomb Coral with chlorosulfonic acid as sulfonating agent. The as-synthesized catalyst was characterized via XRF, FT-IR, TGA, SEM-EDS, XRD, BET and pH analysis.
Design and Synthesis of Novel Cage like CuFe2O4 Hollow Nanostructure as an Efficient Catalyst for Synthesis of 4,4″-(aryl methylene)bis(3-methyl-1H-pyrazol-5-ol)s
Khalifeh, Reza,Shahimoridi, Roghayeh,Rajabzadeh, Maryam
, p. 2864 - 2872 (2019/05/28)
Abstract: Cage like CuFe2O4 hollow nanostructure has been synthesized successfully using hard template method under the hydrothermal condition. Cu(NO3)2·6H2O, Fe(NO3)2·9H2/
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
Synthesis of nano magnetite Fe3O4 based vanadic acid: A highly efficient and recyclable novel nanocatalyst for the synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ols)
Safaiee, Maliheh,Zolfigol, Mohammad Ali,Derakhshan-Panah, Fatemeh,Khakyzadeh, Vahid,Mohammadi, Leila
, p. 317 - 322 (2017/01/21)
Nano magnetic Fe3O4 based vanadic acid [MNPs@VO(OH)2] (average diameter 20-26 nm) has been synthesized by grafting VOCl3 on the Fe3O4 surface nanoparticles as a retrievable supporter to pro
SbCl5/SiO2nanoparticles: An efficient and reusable reagent for the synthesis of 4,4′-(arylmethylene)bis(1 h -pyrazol-5-ol) derivatives in water
Sadeghi, Bahareh,Rad, Maryam Ghorbani
, p. 1723 - 1727 (2015/06/17)
An efficient and eco-friendly method for the synthesis of 4,4-(arylmethylene)bis(1H-pyrazol-5-ol) derivatives is described by tandem Knoevenagel-Michael reaction between aromatic aldehydes and 3-methyl-1-phenyl-2-pyrazoline-5-one in the presence of nanosi
ZnO Nanoparticles - A Recyclable Catalyst for the Synthesis of Bis(Pyrazolyl)Methanes
Eskandari,Karami,Khodabakhshi
, p. 1658 - 1664 (2015/02/05)
A one-pot condensation between a wide range of aryl aldehydes and 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one by employing ZnO nanoparticles as recyclable and highly efficient catalyst to produce new and known bis(pyrazolyl)methanes in aqueous media is
Sulfonated nanohydroxyapatite functionalized with 2-aminoethyl dihydrogen phosphate (HAP@AEPH2-SO3H) as a new recyclable and eco-friendly catalyst for rapid one-pot synthesis of 4,4′-(aryl methylene)bis(3-methyl-1H-pyrazol-5-ol)s
Zarghani, Monireh,Akhlaghinia, Batool
, p. 87769 - 87780 (2015/11/09)
Sulfonated nanohydroxyapatite functionalized with 2-aminoethyl dihydrogen phosphate (HAP@AEPH2-SO3H), a new green, recyclable solid acid catalyst, was prepared and characterized using FT-IR, XRD, SEM, TEM and TGA/DTA techniques. The
Design, characterization and application of new ionic liquid 1-sulfopyridinium chloride as an efficient catalyst for tandem Knoevenagel-Michael reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one with aldehydes
Moosavi-Zare, Ahmad Reza,Zolfigol, Mohammad Ali,Zarei, Mahmoud,Zare, Abdolkarim,Khakyzadeh, Vahid,Hasaninejad, Alireza
, p. 61 - 68 (2013/09/02)
In this work, novel ionic liquid 1-sulfopyridinium chloride {[Pyridine-SO3H]Cl} is synthesized, and characterized by IR, 1H and 13C NMR, UV as well as mass spectra. The ionic liquid is used as an efficient, homogeneous and reusable catalyst for the synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)s by tandem Knoevenagel-Michael reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one with various aromatic and hetero-aromatic aldehydes under mild reaction conditions.
1,3,5-tris(hydrogensulfato) benzene: A new and efficient catalyst for synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol) derivatives
Karimi-Jaberi, Zahed,Pooladian, Baharak,Moradi, Masoud,Ghasemi, Ehsan
, p. 1945 - 1949 (2013/08/23)
1,3,5-Tris(hydrogensulfato) benzene (THSB) was easily prepared by the reaction between phloroglucinol and chlorosulfonic acid in dichloromethane at room temperature. This compound was then used as an efficient catalyst for the synthesis of 4,4′-(arylmethy
