Results 101 to 110 of about 51,192 (201)

Green and Mechanochemical One-Pot Multicomponent Synthesis of Bioactive 2‑amino‑4H‑benzo[b]pyrans via Highly Efficient Amine-Functionalized SiO2@Fe3O4 Nanoparticles

ACS Omega, 2020
Preeti Singh, Priyanka Yadav, Anupam Mishra, Satish K. Awasthi   +3 more
doaj   +1 more source

Graphene oxide supported ionic liquid/Fe complex: a robust and highly stable nanocatalyst. [PDF]

RSC Adv, 2023
Taheri K, Elhamifar D, Kargar S, Zarnegaryan A.   +3 more
europepmc   +1 more source

A new copper complex of 1-(1<i>H</i>-benzo[<i>d</i>]imidazol-2-yl)guanidine on magnetic Fe₃O₄ nanoparticles as a green, reusable, robust and homoselective nanocatalyst in the synthesis of tetrahydrobenzo[<i>b</i>]pyrans. [PDF]

RSC Adv
Tahmasbi B, Ali Hussein A, Taghavi Fardood S, Soleimani O.   +3 more
europepmc   +1 more source

Tungstic acid-functionalized polycalix[4]resorcinarene as a cavity-containing hyper-branched supramolecular and recoverable acidic catalyst in 4H-pyran synthesis. [PDF]

RSC Adv, 2023
Mahmoudi Asl A, Karami B, Karimi Z.
europepmc   +1 more source

Facile Assembly of Structurally Diverse 2<i>H</i>-Pyrans Enabled by Chloropalladation-Initiated Carboetherification of Alkenes. [PDF]

Molecules
Mao F, Wang B, Chen Z, Lai YL, Jiang H, Li J.   +5 more
europepmc   +1 more source

A copper(ii) complex containing pyridine-2-carbaldehyde and its direct binding onto ethylenediamine functionalized with Fe₃O₄@SiO₂ nanoparticles for catalytic applications. [PDF]

RSC Adv, 2023
Karimi M, Ramazani A, Sajjadifar S, Rezayati S.   +3 more
europepmc   +1 more source

Recent advances in the application of β-ketonitriles as multifunctional intermediates in organic chemistry. [PDF]

RSC Adv
Rostampoor A, Alizadeh A.
europepmc   +1 more source

A green approach towards the on-water synthesis of multifunctional 3-amino/hydroxy thieno[3,2-<i>c</i>]pyrans. [PDF]

RSC Adv
Sahu SN, Shaw R, Yadav S, Althagafi I, Upadhyay MK, Pratap R.   +5 more
europepmc   +1 more source

Three-site cycloadditions within one reaction intermediate with site-selectivity controlled by electronic and size bias. [PDF]

Nat Commun
Maitra C, Barik D, Wu TY, Yang CJ, Cheng MJ, Goddard WA, Liu RS.   +6 more
europepmc   +1 more source

Metal-Free Electrochemical Construction of Oxygen Heterocycles. [PDF]

Acc Chem Res
Valdés H, Batanero B.
europepmc   +1 more source