14394-75-3Relevant academic research and scientific papers
Synthesis and Characterization of a Crown-Shaped 36-Molybdate Cluster and Application in Catalyzing Knoevenagel Condensation
He, Peipei,Kannan, Thirumurthy,Kong, Hui,Ma, Pengtao,Niu, Jingyang,Wang, Jiawei,Wang, Jingping,Xu, Baijie,Xu, Qiaofei
, (2020)
A novel crown-shaped 36-molybdate cluster with organophosphonate-functionalized polyoxomolybdates, (NH4)17Na7H12[Co(H2O)TeMo6O21{N(CH2PO3)3}]6·42H2O, has been successfully synthesized and well-characterized. It owns the highest nuclearity in the family of organophosphonate-based polyoxometalates reported so far. Furthermore, for the first time in the field, we illustrated that polyoxomolybdate could work as an effective heterogeneous catalyst for the Knoevenagel condensation reaction with high TOF (7714 h-1) and good recyclability. Impressively, the catalytic performance of 1 was also tested successfully in a large scale (～10 g) reaction, where 89percent of reaction yield and 3216 of TON were afforded.
A novel multicomponent reaction involving isocyanide, dimethyl acetylenedicarboxylate (DMAD), and electrophilic styrenes: Facile synthesis of highly substituted cyclopentadienes
Nair, Vijay,Menon, Rajeev S.,Beneesh,Sreekumar,Bindu
, p. 767 - 769 (2004)
Alkyl isocyanides, DMAD, and various activated styrenes furnish fully substituted cyclopentadienes in a one-pot three-component reaction.
On water: An efficient Knoevenagel condensation using 12-tungstophosphoric acid as a reusable green catalyst
Oskooie, Hossien A.,Heravi, Majid M.,Derikvand, Fatemeh,Khorasani, Marzieh,Bamoharram, Fatemeh F.
, p. 2819 - 2823 (2006)
12-Tungstphosphoric acid is found to be an efficient, environmentally attractive, and reusable catalyst for Knoevenagel condensation of malononitrile and ethylcyanoacetate with various aldehydes. Copyright Taylor & Francis Group, LLC.
Knoevenagel condensation catalyzed by 1,1,3,3-tetramethylguanidium lactate
Zhang, Jicheng,Jiang, Tao,Han, Buxing,Zhu, Anlian,Ma, Xiumin
, p. 3305 - 3317 (2006)
Knoevenagel condensation between malononitrile or ethyl cyanoacetate and carbonyl compounds could be effectively promoted by 1,1,3,3-tetramethylguanidium lactate, a basic ionic liquid, under mild conditions. Good to high isolated yields could be obtained.
Quantitative insights into the crystal structures of nitro derivatives of ethyl (2E)-2-cyano-3-phenylprop-2-enoate: Inputs from X-Ray diffraction, DFT calculations and hirshfeld surface analysis
Dey, Dhananjay,Prakash, Venugopal,Chopra, Deepak,Vasu,Srinivas, Madnimaraiah
, p. 450 - 458 (2014)
Two nitro substituted ethyl (2E)-2-cyano-3-phenylprop-2-enoate with molecular formula C12H10N2O4 have been synthesized and characterized by single-crystal X-ray diffraction. These two structures assemble via wea
Amino- and sulfo-bifunctionalized hyper-crosslinked organic nanotube frameworks as efficient catalysts for one-pot cascade reactions
Meng, Guojie,Gao, Shengguang,Liu, Ying,Zhang, Li,Song, Chunmei,Huang, Kun
, p. 2269 - 2273 (2019)
In this paper, novel amino- and sulfo-bifunctionalized hyper-crosslinked organic nanotube frameworks (H-ONTFs) were directly prepared by templating core-shell bottlebrush copolymers via a Friedel-Crafts (F-C) alkylation reaction, in which the acidic sites were anchored into the wall of nanotubes and basic sites were introduced onto the inner layer wall of nanotubes through a rational molecular design strategy. The resulting acid-base bifunctionalized H-ONTFs showed excellent catalytic activities for one-pot deacetalization-Knoevenagel cascade reactions due to their open-ended structure, large surface area and good multi-porosity interconnectivity.
Condensation reactions of aromatic aldehydes with active methylene compounds catalyzed by alkaline ionic liquid
Wang, Dong-Yue,Xi, Guo-Hong,Ma, Jing-Jun,Wang, Chun,Zhang, Xiao-Chao,Wang, Qian-Qian
, p. 3060 - 3065 (2011)
The Knoevenagel condensation reactions of aromatic aldehydes with active methylene compounds catalyzed by the functionalized ionic liquid, 1-n-butyl-3-methylimmidazolium hydroxide ([bmim]OH), were carried out under grinding, heating, and microwave irradia
Superparamagnetic mesoporous Mg-Fe bi-metal oxides as efficient magnetic solid-base catalysts for Knoevenagel condensations
Gao, Zhe,Zhou, Jian,Cui, Fangming,Zhu, Yan,Hua, Zile,Shi, Jianlin
, p. 11132 - 11135 (2010)
Superparamagnetic mesoporous Mg-Fe bi-metal oxides with varied Mg-Fe atomic ratios have been successfully synthesized as solid base catalysts. The M2F-400 catalyst with Mg/Fe atomic ratio = 2 showed extraordinarily high activities for Knoevenagel reaction
Mn-MOF@Pi composite: synthesis, characterisation and an efficient catalyst for the Knoevenagel condensation reaction
Rambabu, Darsi,Ashraf, Mohammad,Pooja,Gupta, Ankush,Dhir, Abhimanew
, p. 4691 - 4694 (2017)
We have synthesised new Mn-MOF@Pi composite by encapsulation of piperidine in desolvated Mn-MOF and investigated its catalytic performance in Knoevenagel condensation reaction. The newly developed composite is compatible with various aromatic aldehydes an
Potassium fluoride/K10-montmorillonite nanostructure as a green and reusable catalyst under mild reaction conditions for the knovenagel condensation
Ghanei, Mercedeh,Khalilzadeh, Mohammad A.,Hashemi, Mohammad M.
, p. 665 - 669 (2016)
Potassium fluoride (KF)/montmorillonite (K10-MMT) nanostructure acts as an active heterogeneous base catalyst for Knovenagel condensation. Here we have described the catalytic activities of KF/K10 nanostructure in the condensation reaction of various subs
