2009
DOI: 10.1016/j.ejmech.2009.01.034
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Synthesis of 2-styrylchromones as a novel class of antiproliferative agents targeting carcinoma cells

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Cited by 67 publications
(36 citation statements)
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“…6 0 -Methoxy-2'-hydroxyacetophenone (2b) (4.69 g, 95%) and 4'-methoxy-2'-hydroxyacetophenone (2c) (4.59 g, 93%), which showed spectroscopic and analytical data identical to one previously reported [36]. Methoxyethoxylmethyl chloride (MEMCl) (4.14 mL, 36.3 mmol) was added to a solution of 2 0 ,4'-dihydroxyacetophenone (1c) (33 mmol) in acetone (60 mL) with potassium carbonate (9.12 g, 66 mmol).…”
Section: Synthesis Of Methoxy-2'-hydroxyacetophenones (2b 2c)supporting
confidence: 75%
“…6 0 -Methoxy-2'-hydroxyacetophenone (2b) (4.69 g, 95%) and 4'-methoxy-2'-hydroxyacetophenone (2c) (4.59 g, 93%), which showed spectroscopic and analytical data identical to one previously reported [36]. Methoxyethoxylmethyl chloride (MEMCl) (4.14 mL, 36.3 mmol) was added to a solution of 2 0 ,4'-dihydroxyacetophenone (1c) (33 mmol) in acetone (60 mL) with potassium carbonate (9.12 g, 66 mmol).…”
Section: Synthesis Of Methoxy-2'-hydroxyacetophenones (2b 2c)supporting
confidence: 75%
“…Having 2a, 2b and 2c in hand, the final step was condensation with phenylacetic acid derivatives (3a-g) in the presence of tert-BuOK in dry pyridine to provide the 3-styrylchromone derivatives (4-13) and allyl-protected products of 3-styrylchromones (14-20), respectively. 3-Styrylchromones having the allyloxy group were submitted to a deprotection step, using Pd(PPh 3 ) 4 in the presence of morpholine in degassed anhydrated THF, for removing the allyl group and affording 3-styrylchromones bearing the hydroxyl group (14)(15)(16)(17)(18)(19)(20).…”
Section: Resultsmentioning
confidence: 99%
“…Having 2a, 2b and 2c in hand, the final step was condensation with phenylacetic acid derivatives (3a-g) in the presence of tert-BuOK in dry pyridine to provide the 3-styrylchromone derivatives (4-13) and allyl-protected products of 3-styrylchromones (14-20), respectively. 3-Styrylchromones having the allyloxy group were submitted to a deprotection step, using Pd(PPh 3 ) 4 in the presence of morpholine in degassed anhydrated THF, for removing the allyl group and affording 3-styrylchromones bearing the hydroxyl group (14)(15)(16)(17)(18)(19)(20).Biological Activity All synthesized compounds were evaluated for their 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging and α-glucosidase inhibitory activities.As shown in Table 1, modifications of 3-styrylchromones on the chromone ring (A-ring) and the phenyl group (B-ring) of the styryl moiety revealed some interesting structure-activity relationships. As a result, the introduction of the methoxy group or halogen atom (F or Cl) substituent (4-13) on the Bring did not show DPPH radical scavenging activity, while the introduction of the hydroxyl group did.…”
mentioning
confidence: 99%
“…A variety of biological properties have been ascribed to 2-SCs, including antiallergic, [112] anti-inflammatory, [113] antioxidant, [114][115][116][117][118] antitumor [10][11][12]36,39,119] and antiviral, [49,58,66] as well as affinity and selectivity for A 3 adenosine receptors, [38] reviewed by Gomes et al in 2010. [120] Here we update the biological assessment of 2-SCs, but also describe some studies not considered in that review.…”
Section: Biological Properties Of 2-styrylchromonesmentioning
confidence: 99%
“…[32] Condensation between 2-methyl-3-nitrochromones and benzaldehydes in dry methanol at reflux together with a few drops of piperidine afforded the corresponding 3-nitro-2-styrylchromones 22 in 70-80 % yields. [33] A wide range of 2-SCs 23, unsubstituted at C-3, were obtained by condensation between substituted 2-methylchromones and appropriate benzaldehydes in alkaline medium with ethanol as solvent at room temperature, [25,[34][35][36] 55°C [37] or boiling temperature [38] or even in methanol at reflux [39,40] (Scheme 4).…”
Section: Condensation Between 2-methylchromones and Benzaldehydesmentioning
confidence: 99%