Results 81 to 90 of about 9,597,280 (150)

Magnetic resorcinol-formaldehyde supported Schiff-base/Cu as a robust and recoverable nanocatalyst for the synthesis of tetrahydrobenzo[<i>b</i>]pyrans. [PDF]

Nanoscale Adv
Bazmayon P, Elhamifar D, Kargar S.
europepmc   +1 more source

Recent advances in the application of magnetic nanocatalysts in multicomponent reactions. [PDF]

RSC Adv, 2023
Veisi H, Pirhayati M, Mohammadi P, Tamoradi T, Hemmati S, Karmakar B.   +5 more
europepmc   +1 more source

A facile one-pot synthesis of tetrahydrobenzo[b]pyrans and 2-amino-4H-chromenes under green conditions. [PDF]

RSC Adv
Momeni S, Ghorbani-Vaghei R.
europepmc   +1 more source

Magnetically recoverable Fe₃O₄@chitosan@Ni₂B: a bio-based catalyst for one-pot green and efficient synthesis of tetrahydrobenzo[<i>b</i>]pyrans. [PDF]

Nanoscale Adv
Mashhourzad B, Zeynizadeh B.
europepmc   +1 more source

[Chemical and pharmaceutical research on pyran derivatives. X. Synthesis of 1-oxo-2-alkyl-3-dialkylamino-1H-naphtho[2,1b]pyrans].

, 1978
When reaction of N,N-dialkyl-alpha-ethoxycarbonyl-alpha-alkylacetamides with beta-naphthol in the presence of phosphorus oxychloride was carried out in chlorobenzene at reflux, formation of 1-oxo-2-alkyl-3-dialkyl-amino-1H-naphtho[2,1-b]pyrans was ...
Roma G, DI BRACCIO, MARIO, Ermili A., BALBI, ALESSANDRO   +3 more
core  

Synthesis of Tetrahydrobenzo[B]Pyran Derivatives Using Thiamine Hydrochloride (VB1) : A Green Catalyst

European Chemical Bulletin, 2017
Devidas S. Bhagat, Jagadish L. Wawre, Ashok R. Yadav, Pintu G. Pathare, Laszlo Kotai, Rajendra P. Pawar   +5 more
openaire   +1 more source

Copper immobilized MIL-125-NH₂ as an efficient nanocatalyst for click reaction and synthesis of benzo[b]pyrans. [PDF]

Sci Rep
Sadati Z, Alinezhad H, Tajbakhsh M.
europepmc   +1 more source

Synthesis, Spectroscopic and Computational Studies of (E)-2-(2,3-dihydroxy)-benzylidene)amino)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile

, 2017
Heteroaromatic Schiff base was synthesized by the reaction of 2-amino-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile with 2,3-dihydroxybenzaldehyde.
Altiner, Saliha, ÇOLAK, NAKİ, BALABAN GÜNDÜZALP, AYLA, ŞAHİN, ZARİFE SİBEL   +3 more
core  

Zr-MOF-glutaraldehyde-Adn@Fe₃O₄ nanocomposite: as a new adsorbent for removal of methylene blue and heterogeneous nanocatalyst for the synthesis of tetrahydrobenzo[b]pyran derivatives. [PDF]

Sci Rep
Yazdiamiri F, Alinezhad H, Kiani A, Ghasemi S.   +3 more
europepmc   +1 more source

Talc as a natural mineral catalyst for the one pot-three component synthesis of benzo[f]chromene, dihydropyrano[3,2-c]chromene, and tetrahydrobenzo[b]pyran derivatives under different conditions. [PDF]

Sci Rep
Hajihasani Bafghi M, Bamoniri A, Mirjalili BBF.   +2 more
europepmc   +1 more source