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Relevant bibliographies by topics / -(chloromethyl)-3-(4H-chromen-3-yl)-1

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Academic literature on the topic '-(chloromethyl)-3-(4H-chromen-3-yl)-1'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "-(chloromethyl)-3-(4H-chromen-3-yl)-1"

1

Chunduru, Srinivasa Rao, Venkata Ramana Reddyy Ch., Jyotsna C., and S. Sait Shakil. "Synthesis of 3-[5-(morpholinomethyl/piperidinomethyl/pyrrolidinemethyl)-1 ,2 ,4- oxadiazol-3-yl]-4H-chromones." Journal of Indian Chemical Society Vol. 90, Sep 2013 (2013): 1461–66. https://doi.org/10.5281/zenodo.5790902.

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Department of Chemistry, JNTU, Kukatpally, Hyderabad-500 085, India Dr. Reddy Laboratories, Bachupally, Hyderabad-500 090, India <em>E-mail </em>: chemistrycsr@gmail.com <em>Manuscript received online 04 November 2012, revised 05 December 2012, accepted 30 December 2012</em> 5-(Chloromethyl)-3-(4<em>H</em>-chromen-3-yl)-1,2,4-oxadiazole (1a-e) react with pyrrolidine (6) to give 3-(4<em>H</em>-chromen-3-yl)-5-(pyrrolidin-1-ylmethyl)-1,2,4-oxadiazole (7a-e), (1a-e) react with piperidine (4) to give 1-{[3-(4<em>H</em>-chromen-3-yl)- 1,2,4-oxadiazol-5-yl]methyl}piperidine (5a-e) and (1a-e) react w

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2

Razgulyaev, Vladislav I., Polina A. Nikitina, Tatiana Yu Koldaeva, Vladimir S. Miroshnikov, and Valery P. Perevalov. "SYNTHESIS OF 2-(3-CHROMENYL)-4-ETHOXYCARBONYL-1-(4-FLUOROBENZYL)-5-METHYLIMIDAZOLE 3-OXIDES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 2 (2017): 17. http://dx.doi.org/10.6060/tcct.2017602.5435.

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In addition to our search for probable HIV-1 integrase inhibitors in the series of imidazole derivatives a possibility of preparation of 2-(3-chromenyl)substituted imidazole 3-oxides containing fluorobenzyl moiety in position 1 of imidazole ring as a potential pharmacophore was demonstrated. 4-ethoxycarbonyl-1-(4-fluorobenzyl)-5-methyl-2-(4-oxo-4H-chromen-3-yl)imidazole 3-oxide 4a and 4-ethoxycarbonyl-2-(6-hydroxy-4-oxo-4H-chromen-3-yl)-1-(4-fluorobenzyl)-5-methyli-midazole 3-oxide 4b were synthesized starting with fluorobenzylamine 1, ethyl 2-(hydroxyimino)-3-oxobutanoate 2 and 4-oxo-4H-chrom

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3

Gašparová, Renata, Pavol Koiš, Margita Lácová, Silvia Kováčová, and Andrej Boháč. "Synthesis, reactions and antineoplastic activity of 3-(2-oxo-2H-chromen-3-yl)-2-oxo-2H,5H-pyrano[3,2-c]chromene derivatives." Open Chemistry 11, no. 4 (2013): 502–13. http://dx.doi.org/10.2478/s11532-012-0184-1.

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AbstractThe key 3-(2-oxo-2H-chromen-3-yl)-2-oxo-2H,5H-pyrano[3,2-c]chromen-5-yl acetates 3 were synthesized in high yields by cyclocondensation of 4-oxo-4H-chromen-3-carbaldehydes 1 with coumarin-3-acetic acids 2 under mild conditions. The reaction pathway involves aldol condensation and subsequent intramolecular lactonization to afford 2-oxo-2H,5H-pyrano[3,2-c]chromene skeleton 3. Further treatment of acetates 3 with alcohols, water or nitrogen containing compounds led to 5-alkoxy-, 5-hydroxy- or 5-acylamino-2H,5H-pyrano[3,2-c]chromen-2-ones 4-6 via nucleophilic substitution of acetyloxy grou

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4

Niranjan, M.S. *. and Chaluvaraju K.C. "SYNTHESIS AND CHARACTERIZATION OF TWO NOVEL THIOFIBRATES DERIVED FROM 7-HYDROXY-4-METHYL-2H CHROMEN-2-ONE." Journal of Pharma Research 7, no. 8 (2018): 190–93. https://doi.org/10.5281/zenodo.1345716.

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<strong><em>ABSTRACT</em></strong> <strong><em>T</em></strong><em>wo novel thiofibrates bearing 1,3,4-oxadizole and 1,2,4-triazole are prepared from 7-hydroxy-4-methyl-</em><em>2H-chromen-2-one (1). The compound (1) is obtained by treating resorcinol with ethyl acetate in the presence of concentrated sulphuric acid. It is then treated with ethylchloroacetate to get ethyl((4-methyl-2-oxo-2H-chromen-7-yl)oxy)acetate (2). This on hydrogenolysis gives 2-((4-methyl-2-oxo-2H-chromen-7-yl)oxy)acetohydrazide (3) which on further reaction with phenyl isothiocyanate in presence of sodium hydroxide gives

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5

Lozinski, Oleg, Tatyana Shokol, Oleg Shishkin, Vladimir Medvediev, and Vladimir Khilya. "The redeeming features of reaction of the 8-formyl-7-hydroxychromones with malononitrile." French-Ukrainian Journal of Chemistry 2, no. 1 (2014): 10–15. http://dx.doi.org/10.17721/fujcv2i1p10-15.

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A range of 4H,8H-pyrano[2,3-f]chromen-4,8-diones have been prepared using Knoevenagel reaction of the 8-formyl-7-hydroxychromones with malononitrile. The 4H,8H-pyrano[2,3-f]chromen-4,8-dione derivative was also obtained through the acid hydrolysis of the 8-imino-4H,8H-pyrano[2,3-f]chromen-4-one. 8-Formyl-7-hydroxychromone 1 was found to add two molecules of malononitrile through Michael addition resulting in formation of the 2-[8-amino-3-(4-chlorophenyl)-9-cyano-2-methyl-4-oxo-4H,10H-pyrano[2,3-f]chromen-10-yl]malononitrile.

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6

Shatokhin, S. S., V. A. Tuskaev, S. Ch Gagieva, D. I. Pozdnyakov, and E. T. Oganesyan. "SYNTHESIS AND ANTIOXIDANT ACTIVITY OF (E)-3-(3-(4-OXO-4H-CHROMEN-3-YL)ACRYLOYL) 2H-CHROMEN-2-ONE DERIVATIVES." Pharmacy & Pharmacology 9, no. 5 (2021): 367–76. http://dx.doi.org/10.19163/2307-9266-2021-9-5-367-376.

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The aim is based on the results of the in silico prediction, to obtain and characterize a number of (E)-3-(3-(4-oxo-4H-chromen-3-yl)acryloyl)-2H-chromen-2-one derivatives, and also to study their antioxidant activity.Materials and methods. The synthesis of the target compounds was carried out by condensation of substituted 3-formylchromones and 3-acetylcoumarins under the acid catalysis conditions. 1H NMR spectra were recorded on the instruments of Bruker Avance-400 (400 MHz) and Bruker Avance-300 (300 MHz) in the solutions of CDCl3 or DMSO-d6. Mass spectra (ESI) were obtained on a Finnigan LC

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7

Albuquerque, Hélio M. T., Diana C. G. A. Pinto, and Artur M. S. Silva. "Microwave Irradiation: Alternative Heating Process for the Synthesis of Biologically Applicable Chromones, Quinolones, and Their Precursors." Molecules 26, no. 20 (2021): 6293. http://dx.doi.org/10.3390/molecules26206293.

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Microwave irradiation has become a popular heating technique in organic synthesis, mainly due to its short reaction times, solventless reactions, and, sometimes, higher yields. Additionally, microwave irradiation lowers energy consumption and, consequently, is ideal for optimization processes. Moreover, there is evidence that microwave irradiation can improve the regioselectivity and stereoselectivity aspects of vital importance in synthesizing bioactive compounds. These crucial features of microwave irradiation contribute to its inclusion in green chemistry procedures. Since 2003, the use of

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8

Tank, Manishkumar Jinabhai, Navinkumar A. Kucha, Chirag G. Naik, Tina R. Barot, and G. M. Malik. "Adamantane-pyrido[2,3-d]pyrimidine Derivatives; Synthesis, Characterization and Investigation of Antimicrobial Study." Oriental Journal Of Chemistry 39, no. 2 (2023): 393–402. http://dx.doi.org/10.13005/ojc/390219.

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Target molecules based on Adamantane-pyrido[2,3-d]pyrimidine derivatives were prepared. Adamantane-pyrido[2,3-d]pyrimidine series using N-(hydroxyadamantan-1-yl)-5-(2,4-substitutedphenyl)-2-Methyl-4-Oxo-7-(2-oxo-2H-Chromen-3-yl)pyrido[2,3-d]Pyrimidine-3(4H)carboxamide (6a-j) was synthesized by reaction between 3-(2-chloroacetyl)-5-(2,4-substitutedphenyl)-2-Methyl-7-(2-Oxo-2H-Chromen-3-yl) pyrido[2,3-d]pyrimidin-4(3H)-one (5a-j) and 3-aminoadamantan-1-ol. These derivatives of Adamantane-pyrido[2,3-d]Pyrimidine were investigated in vitro for their biological characteristics against the strains w

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9

Kaur, Kulvir, Jyoti Tomar, and Manisha Bansal. "Role of hydrogen in ground and excited state studies of 2-aryl-3-hydroxychromenones in different solvents." Canadian Journal of Chemistry 97, no. 8 (2019): 584–90. http://dx.doi.org/10.1139/cjc-2018-0453.

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Radical scavenging activity (%SC) of three 2-heteroaryl 3-hydroxy chromenones (3-HCs) relative to 3-hydroxy flavones (3-HF) has been determined, using 2,2-diphenyl-1-picrylhydrazyl (DPPH) as a radical scavenger both in methanol (MeOH) and acetonitrile (ACN) as solvents. Among the three 3-HCs, 2-(furan-2-yl)-3-hydroxy-4 H-chromen-4-one (FHC), 3-hydroxy-2-(thiophene-2-yl)-4H-chromen-4-one (THC), and 3-hydroxy-2-(pyrrol-2-yl)-4H-chromen-4-one (PHC), the last 3-HC was included in our earlier reported studies on absorption, emission, and excitation spectra. Detailed studies on the excited state int

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10

Ramina, Rajkumar Bhubon Singh, and Oinam U-wang. "Synthesis, Characterization and DNA Binding Studies of Some Hydrazide Derivatives Schiff Base Metal Complexes of Mn(II), Co(II/III), Ni(II), Cu(II) and Zn(II) Metal Ions." Asian Journal of Chemistry 33, no. 12 (2021): 3006–24. http://dx.doi.org/10.14233/ajchem.2021.23408.

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Eighteen metal complexes were synthesized by using four different Schiff base ligands, (1E)-1-((6-methyl-4-oxo-4H-chromen-3-yl)methylene)carbohydrazide (L1), 6-[2-(salicylidene)hydrazinyl]-N′-(salicylidene)nicotinohydrazide (HL2), 6-hydrazinyl-N′-(6-methyl- 4-oxo-4H-chromen-3-yl-methylene)nicotinohydrazide (HL3) and (E)-6-hydrazinyl-N′-(1-(2,3-dihydro- 1,3-dioxo-1H-inden-2-yl)-ethylidene)pyridine-3-carbohydrazide (L4). Characterization of the metal complexes were carried out by using various physico-chemical techniques. Complexes 1, 3, 4, 6, 11, 14, 15, 16, 17 and 18 have been found octahedral

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