10172-72-2Relevant academic research and scientific papers
Alkanedisulfamic acid functionalized silica-coated magnetic nanoparticles: Preparation and catalytic investigation in synthesis of mono-, bis- and tris[bis(4-hydroxycoumarinyl)methanes]
Karimi, Ali Reza,Eftekhari, Zahra,Karimi, Marzie,Dalirnasab, Zeinab
, p. 3180 - 3184 (2014)
Alkanedisulfamic acid-functionalized silica-coated magnetic nanoparticles (ADSA-MNPs) were prepared by a simple method and evaluated as efficient catalysts for the preparation of mono-, bis-, and tris[bis(4-hydroxycoumarinyl)methanes] through condensation
Chitosan and functionalized graphene oxide nanocomposite as a novel and highly efficient catalyst for production of bis-coumarins under solvent-free conditions
Atashrouz, Zhale,Rostami, Esmael,Zare, Abdolkarim
, p. 179 - 201 (2021/11/18)
Chitosan and functionalized graphene oxide nanocomposite was used as efficient, sustainable, and recyclable catalyst in the production of bis-coumarins using 4-hydroxycoumarin and aromatic aldehydes under solvent-free conditions. Chitosan was first functi
A synergetic role of Aegle marmelos fruit ash in the synthesis of biscoumarins and 2-amino-4H-chromenes
Patil, Rupesh C.,Shinde, Sachinkumar K.,Patil, Uttam P.,Birajdar, Appasaheb T.,Patil, Suresh S.
, p. 1675 - 1691 (2021/01/11)
Abstract: A dry rind of Aegle marmelos (bael) fruit ash as a synergetic alternative material to an expensive, toxic and corrosive catalysts for the synthesis of biscoumarins and 2-amino-4H-chromenes at ambient temperature in water is reported. The spectro
CAL-B accelerated novel synthetic protocols for 3,3’-arylidenebis-4-hydroxycoumarins and dimethyl ((substituted phenyl) (phenylamino)methyl) phosphonates
Chavan, Anusaya S.,Kharat, Arun S.,Bhosle, Manisha R.,Dhumal, Sambhaji T.,Mane, Ramrao A.
, p. 4497 - 4512 (2021/07/26)
Green protocols for the syntheses of 3,3′-arylidenebis-4-hydroxycoumarins and dimethyl ((substituted phenyl) (phenylamino)methyl) phosphonates have been first time developed using biocatalyst, CAL-B (lipase). These are carried at room temperature under st
Carbon-SO3H: An efficient catalyst for the synthesis of biscoumarin under ambient reaction conditions and their in silico studies
Sethiya, Ayushi,Teli, Pankaj,Manhas, Anu,Agarwal, Dinesh,Soni, Jay,Sahiba, Nusrat,Jha, Prakash,Agarwal, Shikha
supporting information, p. 2440 - 2460 (2020/07/10)
In this article, we have established a highly promising approach for the synthesis of biscoumarins via domino Knoevenagel–Michael condensation of 4-hydroxycoumarin and aromatic aldehydes in 2:1 ratio using carbon-SO3H as a solid acid catalyst i
The immobilized Ni(II) species on thiourea functionalized copper ferrite: a reusable nanocatalyst for synthesis of biscoumarins under solvent-free conditions
Zeynizadeh, Behzad,Hasanpour Galehban, Morteza,Shokri, Zahra
, p. 1493 - 1505 (2020/02/27)
In this study, nanoparticles of CuFe2O4@SiO2@PTMS@Tu@Ni(II) as the reusable magnetic catalyst were prepared. Synthesis of the Ni(II)–CuFe2O4 system was carried out through a five-step procedure includ
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
Efficient synthesis of bis-(4-hydroxycoumarin) using sulfanilic acid as recyclable catalyst in water
SADAT-JALALI, Mozhgan,MANAFI, Mohammadreza,HOMAMI, Seyed Saied,GORJI, Banafsheh,MONZAVI, Amirhossein
, p. 473 - 480 (2020/10/06)
A catalytic reaction between aromatic aldehydes and 4- hydroxycoumarin has been developed to form a decent range of functionalized biscoumarin skeletons in excellent yields using sulfanilic acid as reusable catalyst in aqueous media. The catalytic reactio
Ni0 NPs anchored on acid-activated montmorillonite (Ni0-Mont) as a highly efficient and reusable nanocatalyst for synthesis of biscoumarins and bisdimedones
Rahmani, Soleiman,Zeynizadeh, Behzad
, p. 1227 - 1248 (2018/12/11)
Ni0 nanoparticles were immobilized on acid-activated montmorillonite (Ni0-Mont) by anchoring Ni(OAc)2·4H2O on modified micro/mesoporous montmorillonite followed by reduction with ethylene glycol. The prepared cl
Magnetic nanoparticles tris(hydrogensulfato) boron as an efficient heterogeneous acid catalyst for the synthesis of α,?-benzylidene bis(4-hydroxycoumarin) derivatives under solvent-free condition
Hayati, Payam,Eghbali, Khadijeh,Rezaei, Ramin
, p. 5067 - 5089 (2019/06/28)
Nano-ferrite supported tris(hydrogensulfato) boron [Fe3O4@B(HSO4)3] was prepared by entrapping Fe3O4 magnetic nanoparticles as the core and tris(hydrogensulfato) boron B(HSO4)su
