156176-91-9Relevant articles and documents
MCM-41@Schiff base-Co(OAc)2 as an efficient catalyst for the synthesis of pyran derivatives
Pan, Shiwei,Li, Puhui,Xu, Guihua,Guo, Jingchang,Ke, Libin,Xie, Canquan,Zhang, Zhoucai,Hui, Yonghai
, p. 1353 - 1371 (2019/11/20)
Heterogeneous ordered mesoporous silica materials catalyst, MCM-41@Schiff base-Co(AcO)2, reveals high catalytic performance within the synthesis of pyran derivatives using the multicomponent reaction of aldehydes, malononitrile and 2-naphthol (
Synthesis of Fe3 O4 nanoparticles bound with polyethylene glycol substituted 1-methyl imidazolium bromide and their application as nanomag-netic and recyclable phase-transfer catalysts for the green and efficient synthesis of 4H-pyra
Najafi, Faranak,Fallah-Mehrjardi, Mehdi
, p. 778 - 786 (2018/09/26)
Immobilization of polyethylene glycol substituted 1-methylimidazolium bromide on the surface of Fe3 O4 magnetic nanoparticles led to the synthesis of powerful and recyclable heterogeneous phase-transfer catalysts which were successfu
Efficient synthesis of 2-amino-3-cyano-4H-pyran derivatives via a non-catalytic one-pot three-component reaction
Lü, Cheng-Wei,Wang, Jia-Jing,Li, Fei,Yu, Shi-Jun,An, Yue
, p. 1035 - 1043 (2017/10/07)
Abstract: A convenient one-pot multi-component strategy was conducted successfully under catalyst-free conditions employing water and PEG-400 as the efficient and cheap promoting medium. Three types and nearly 50 2-amino-3-cyano-4H-pyran annulated derivat
Synthesis, screening and docking of fused pyrano[3,2-d]pyrimidine derivatives as xanthine oxidase inhibitor
Kaur, Manroopraj,Kaur, Amandeep,Mankotia, Suhani,Singh, Harbinder,Singh, Arshdeep,Singh, Jatinder Vir,Gupta, Manish Kumar,Sharma, Sahil,Nepali, Kunal,Bedi, Preet Mohinder Singh
, p. 14 - 28 (2017/03/16)
In view of developing effective xanthine oxidase (XO) enzyme inhibitors, a series of 100 pyrano[3,2-d]pyrimidine derivatives was synthesized and evaluated for its in vitro XO enzyme inhibition. Structure activity relationship has also been established. Am
Potassium-Exchanged Zirconium Hydrogen Phosphate [α-Zr(KPO4)2]-Catalyzed Synthesis of 2-Amino-4 H -pyran Derivatives under Solvent-Free Conditions
Rosati, Ornelio,Pelosi, Azzurra,Temperini, Andrea,Pace, Vittorio,Curini, Massimo
, p. 1533 - 1540 (2016/06/06)
A high-yielding, one-pot, three-component synthesis of functionalized 2-amino-4H-pyrans from β-dicarbonyl compounds, activated cyanomethylene compounds, and aldehydes, mediated by potassium-exchanged zirconium hydrogen phosphate [α-Zr(KPO4)2], is reported. The protocol shows excellent versatility, as it can be applied to aromatic, aliphatic, or α,β-unsaturated aldehydes under solvent-free conditions.
Screening of a library of 4-aryl/heteroaryl-4H-fused pyrans for xanthine oxidase inhibition: Synthesis, biological evaluation and docking studies
Kaur, Ramandeep,Naaz, Fatima,Sharma, Sahil,Mehndiratta, Samir,Gupta, Manish Kumar,Bedi, Preet Mohinder Singh,Nepali, Kunal
, p. 3334 - 3349 (2015/08/03)
A series of 4-aryl/heteroaryl-4H-fused pyrans was synthesized via multicomponent reaction in a microwave synthesizer. All the pyrans were evaluated for in vitro xanthine oxidase inhibition. Structure-activity relationship was also established. Among the s
Glycerol as a biodegradable and reusable promoting medium for the catalyst-free one-pot three component synthesis of 4H-pyrans
Safaei, Hamid Reza,Shekouhy, Mohsen,Rahmanpur, Sudabeh,Shirinfeshan, Athar
, p. 1696 - 1704 (2013/02/22)
Glycerol is applied as a green, biodegradable and reusable promoting medium for one-pot three component synthesis of 4H-pyrans under catalyst-free conditions. A broad range of substrates including aromatic and heteroaromatic aldehydes, isatine derivatives
Nano-ZnO as heterogeneous catalyst for three-component one-pot synthesis of tetrahydrobenzo[b]pyrans in water
Hosseini-Sarvari,Shafiee-Haghighi
, p. 1307 - 1313 (2013/04/24)
Nano-ZnO is reported as an extremely efficient heterogeneous catalyst for the synthesis of tetrahydrobenzo[b]pyrans. A three-component one-pot reaction of arylaldehydes, activated methylenes, and 1,3-diketones took place in water to afford the correspondi
A revisit to the hantzsch reaction: Unexpected formation of tetrahydro-benzo[ b ]pyrans beyond polyhydroquinolines
Undale, Kedar A.,Park, Yoonkook,Park, Kyungmoon,Dagade, Dilip H.,Pore, Dattaprasad M.
experimental part, p. 791 - 796 (2011/06/21)
A competitive multicomponent synthesis of tetrahydrobenzo[b]pyrans over polyhydroquinolines is achieved in the presence of ammonium acetate at ambient temperature in ethanol medium. The formation of tetrahydrobenzo[b]pyran instead of polyhydroquinoline in