Results 61 to 70 of about 9,597,280 (150)

Synthesis of 2-((3-(ethoxycarbonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)amino)-4-(4-methoxyphenyl)-4-oxobut-2-enoate [PDF]

, 2020
Will be discussed synthesis of 2-((3-(ethoxycarbonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)amino)-4-(4-methoxyphenyl)-4-oxobut-2-enoate.The work was supported by an RFBR grant 19-43 ...
Shipilovskikh, S. A., Shadrin, V. M., Rubtsov, A. E., Lipin, D. V., Batuev, R. V.   +4 more
core  

Investigation of Eletrooxidation Reaction of Some Tetrahydrobenzo[b]pyran Derivatives

International Journal of Electrochemical Science, 2008
Lida Fotouhi, Azadeh Fatehi, Majid M. Heravi   +2 more
openaire   +1 more source

Cycloisomerization of Conjugated Trienones and Isomeric 2H‑Pyrans: Unified Strategy toward Cyclopenta[b]furans

, 2015
Conjugated trienones and isomeric 2H-pyrans were found to engage in a novel cycloisomerization cascade toward cyclopenta­[b]­furan derivatives.
Mirta P. Mischne (1554727), Martín J. Riveira (1554721), Ernesto G. Mata (1581094), Vincent Gandon (1490320), Gastón N. Quiroga (1581097)   +4 more
core   +1 more source

PALLADIUM-CATALYZED AMINATION OF PHOTOCHROMIC TRIFLATE- SUBSTITUTED 3H-NAPHTHO[2,1-b]PYRANS

, 1999
International audienceThe conversion of triflic 3H-naphtho[2,1-fc>]pyrans to the corresponding piperazine derivatives, using the combination of palladium acetate/BINAP as catalyst is reported.
Corinne Moustrou, Samat, Andre, Renaud Demadrille, Guglielmetti, Robert, Demadrille, Renaud, Moustrou, Corinne, Andre Samat, Robert Guglielmetti   +7 more
core   +2 more sources

Solvent-free mechanochemical multicomponent preparation of 4H-pyrans catalyzed by Cu₂(NH₂-BDC)₂(DABCO) metal-organic framework. [PDF]

Heliyon, 2023
Akhlaghi Z, Naimi-Jamal MR, Panahi L, Dekamin MG, Farasati Far B.   +4 more
europepmc   +1 more source

Polyaniline/SiO2 Catalyzed One-pot Synthesis of Tetrahydrobenzo[b]pyran Derivatives

, 2015
Polyaniline/SiO2 is an efficient catalyst for the synthesis of tetrahydrobenzo[b]pyran derivatives from a one-pot, three component, condensation of aldehydes, malononitrile and dimedone at room temperature.
Lande, MK, Yelwande, AA, Arbad, BR
core   +1 more source

A Green, Facile, and Efficient Synthesis of 4H-Benzo[b]pyrans Using 2,2’-Bipyridine as a Recyclable Organocatalyst

A Green, Facile, and Efficient Synthesis of 4H-Benzo[b]pyrans Using 2,2’-Bipyridine as a Recyclable ...
Farhad Shirini (703231), Mandana Momenpour Surchani (17874199), Omid Goli-Jolodar (5905964), Hassan Tajik (5905967)   +3 more
core   +1 more source

Synthesis and cytotoxicity evaluation of thiazole derivatives obtained from 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene- 3-carbonitrile

, 2017
Reactivity of 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3- carbonitrile towards thioglycolic acid resulted in thiazole derivative 1. The latter reacted with different chemical reagents to give thiazole, pyrano[2,3-d]thiazole and thiazolo[ 4,5-d ...
Rafat M. Mohareb, Ebtsam A. Ahmed, Ahmed Ebtsam A., Mohareb Rafat M., AHMED, EBTSAM A., Abdallah Amira E. M., ABDALLAH, AMIRA E. M., MOHAREB, RAFAT M., Amira E. M. Abdallah   +8 more
core   +2 more sources

Synthesis of New 2-Substituted 4-(2-Furyl)-4H-pyrans

, 1994
Substituted 2-amino-3-cyano-4H-pyrans represent important precursors in syntheses of condensed heterocycles containing a 4H-pyran nucleus. In the context of studies of reactivity of 2-amino-5-acetyl-4-(5-X-2-furyl)-3-cyano-6-methyl-4H-pyrans we were ...
Dušan Ilavský, Milan Bruncko, Štefan Marchalín, Lubomír Zalibera   +3 more
core   +1 more source

Magnetic silica/graphene oxide nanocomposite supported ionic liquid-manganese complex as a powerful catalyst for the synthesis of tetrahydrobenzopyrans. [PDF]

Sci Rep, 2023
Dadvar F, Elhamifar D.
europepmc   +1 more source