Sajedeh Alizadeh (Data curation Methodology Writing – original draft) , Abbas Ali Esmaeili (Investigation Project administration Supervision Visualization Writing – review & editing)
{"title":"An efficient synthesis of novel tricyclic fused pyrido[3,2-e]thiazolo[3,2-a]pyrimidines via one-pot three-component reaction in a green media","authors":"Sajedeh Alizadeh (Data curation Methodology Writing – original draft) , Abbas Ali Esmaeili (Investigation Project administration Supervision Visualization Writing – review & editing)","doi":"10.1080/00397911.2025.2470850","DOIUrl":"10.1080/00397911.2025.2470850","url":null,"abstract":"<div><div>In this study, we report the development of an efficient and facile synthetic approach for the preparation of novel pyrido[3,2-e]thiazolo[3,2-a]pyrimidines via a tandem Knoevenagel–Michael cyclo-condensation reaction. This transformation employs heterocyclic enamine, aromatic aldehydes, and malononitrile in the presence of DABCO as an organocatalyst under ethanol reflux conditions. The reactions proceed to completion within 1.0–1.5 h, affording the desired products in good to high yields (75%–82%). The main goal of this study is to design and synthesize heterocyclic scaffolds that exhibit promising biological activity. Notable benefits of this approach include a simple work-up procedure, environmentally friendly conditions, and the use of an inexpensive and readily accessible catalyst. The structures of the target compounds (<strong>4a–j</strong>) were validated using IR, <sup>1</sup>H, and <sup>13</sup>C NMR spectroscopy, mass spectrometry, and elemental analysis, demonstrating the effectiveness and practicality of the method developed.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 7","pages":"Pages 563-575"},"PeriodicalIF":1.8,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143609229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis, computational studies and in-silico antimicrobial evaluation of novel N-(substituted) sulfonyl carboxamide bearing pyrrolidine-2,5-dione","authors":"Chafika Bougheloum , Soumaya Bouskia","doi":"10.1080/00397911.2025.2468985","DOIUrl":"10.1080/00397911.2025.2468985","url":null,"abstract":"<div><div>Novel <em>N</em>-(substituted) sulfonyl carboxamides containing pyrrolidine-2,5-dione or alkyl(aryl)amine moieties, along with some of the intramolecular cyclization derivatives, have been synthesized, designed, and predicted as effective antimicrobial agents. All structures were confirmed by mass spectroscopy,<sup>1</sup>H NMR, <sup>13</sup>C NMR, IR and elemental analysis. Using the DMol<sup>3</sup>/DFT tool in the Material Studio package, the new carboxamide structures were optimized. The HOMO-LUMO energy gap and the molecular electrostatic potential (MEP) are assessed through density functional calculations. In molecular docking, the studied compounds demonstrated good binding score values (up to −10.0 Kcal/mol) for the active site of tyrosyl-tRNA synthetase protein (PDB ID: 1JIJ) when compared to drugs ciprofloxacin and sulfamethoxazole (−8.5 and −8.0 Kcal/mol, respectively). Notably, compound 2,5-dioxo-<em>N</em>-((4-phenylpiperazin-1-yl)sulfonyl)pyrrolidine-1-carboxamide (<strong>1e</strong>) demonstrated the highest efficiency, making it a promising antibacterial candidate according to DFT and molecular docking studies. Pharmacological characteristics, including drug similarity and oral bioavailability, have been ascertained using Lipinski’s rule of five. Also, some web tools were used to predict the biological activity of synthesized compounds. The findings indicated potential biological targets and good bacterial activity.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 6","pages":"Pages 496-520"},"PeriodicalIF":1.8,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sahana Raju , Kothanahally S. Sharath Kumar , Yarabhally R Girish , Turuvekere Krishnamurthy Chaitra , Mohd Sajid Ali , Hamad A. Al-Lohedan
{"title":"Room-temperature aerobic oxidation of alcohols into carbonyl compounds using VO@GO catalyst","authors":"Sahana Raju , Kothanahally S. Sharath Kumar , Yarabhally R Girish , Turuvekere Krishnamurthy Chaitra , Mohd Sajid Ali , Hamad A. Al-Lohedan","doi":"10.1080/00397911.2025.2461114","DOIUrl":"10.1080/00397911.2025.2461114","url":null,"abstract":"<div><div>A reusable catalyst is better alternative to the transition metal-free conditions promoted organic transformations. Herein, we present a VO@GO catalyst for the specific conversion of alcohols into aldehydes or ketones. The catalyst works at room temperature and enables controlled oxidation. The catalyst activity is attributed to the synergistic effect of combining graphene oxide (GO) with vanadium. This method stands out for its high yields, single-step process, broad substrate scope, gentle reaction conditions, wide functional groups tolerance, catalyst reusability, and easy purification.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 6","pages":"Pages 465-475"},"PeriodicalIF":1.8,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jiao Wang , Zhiqiang Wang , Botao Wang , Zheng Li , Jinhui Yang
{"title":"Three-component one-pot construction of 2-aryl-3-benzylbenzo[4,5]imidazo[1,2-a]pyrimidines using solid calcium carbide as an alkyne source","authors":"Jiao Wang , Zhiqiang Wang , Botao Wang , Zheng Li , Jinhui Yang","doi":"10.1080/00397911.2025.2466015","DOIUrl":"10.1080/00397911.2025.2466015","url":null,"abstract":"<div><div>A concise method for the construction of 2-aryl-3-benzylbenzo[4,5]imidazo[1,2-<em>a</em>]pyrimidines using solid calcium carbide as an alkyne source, 2-aminobenzimidazoles, and (hetero)aromatic aldehydes as substrates through one-pot three-component procedure is described. The target products were effectively obtained through A<sup>3</sup> coupling, 6-<em>endo-dig</em> cyclization, isomerization, and dehydration cascade processes. The salient features of this protocol are the use of an inexpensive, abundant and easy-to-handle solid alkyne source instead of flammable and explosive gaseous acetylene, low-cost catalyst, wide functional tolerance, satisfactory yield, and simple workup procedure. The reactions can also be carried out on a gram scale.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 6","pages":"Pages 485-495"},"PeriodicalIF":1.8,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bei-Lei Wang , Lin-Yuan Zeng , Pei-Zhen Qu , De-Zhi Yang
{"title":"Visible light induced deaminative alkylation of pentafluorostyrene promoted by EDA complex","authors":"Bei-Lei Wang , Lin-Yuan Zeng , Pei-Zhen Qu , De-Zhi Yang","doi":"10.1080/00397911.2025.2462668","DOIUrl":"10.1080/00397911.2025.2462668","url":null,"abstract":"<div><div>Polyfluoroaromatic compounds are important components in medicinal and material science, however, methodologies for the synthesis of alkylated pentafluoroarenes remains limited. Here we developed a deaminative coupling reaction of Katritzky salts with pentafluorostyrene to construct C<sub>6</sub>F<sub>5</sub>-C(sp<sup>3</sup>) bonds promoted by the photochemical activity of electron donor-acceptor (EDA) complexes. This method features simple reaction conditions, a broad substrate scope, and good functional group tolerance.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 6","pages":"Pages 476-484"},"PeriodicalIF":1.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Al-Shimaa Badran , Zeinab Hussain , N. S. Abdelshafi , S. S. Ibrahim , Aya Ahmed , Mohamed Abdel-Megid , Magdy A. Ibrahim
{"title":"Ring opening and recyclization reactions with 3-functionalized chromones: Recent synthetic approaches for five, six and seven membered heterocycles","authors":"Al-Shimaa Badran , Zeinab Hussain , N. S. Abdelshafi , S. S. Ibrahim , Aya Ahmed , Mohamed Abdel-Megid , Magdy A. Ibrahim","doi":"10.1080/00397911.2025.2463603","DOIUrl":"10.1080/00397911.2025.2463603","url":null,"abstract":"<div><div>Chromones are active substrate for building heterocyclic systems due to the availability of electron deficient γ-pyrone moiety. Substituted chromones are highly valuable intermediates that can be used to construct many types of heterocyclic compounds through γ-pyrone ring opening followed by recyclization (RORC) either with carbonyl function at C-4 position or with functional groups located at C-3 position. 3-Formylchromones are versatile substrates for building five, six and seven membered heterocycles through reaction with 1,2-, 1,3- and 1,4-binucleophiles, respectively. These reactions mainly proceed through nucleophilic condensation with the aldehyde function with subsequent γ-pyrone ring opening <em>via</em> attack at C-2 position. Other 3-functionallized chromones reacted with binucleophilic reagents through nucleophilic attack at C-2 position with subsequence recyclization with carbonyl function at C-4 position or functional groups located at C-3 position. Using several synthetic approaches under different reaction conditions, a diversity of heterocyclic systems such as pyrazoles, isoxazoles, pyridines, pyrimidines, pyrans, diazepines, oxadiazepines and thiadiazepines were efficiently synthesized from 3-functionallized chromones. Collecting and discussion of the chemical transformation of 3-functionalized chromones with nitrogen and carbon nucleophiles is the main goal of the current review; since 2012 till 2024.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 10","pages":"Pages 693-716"},"PeriodicalIF":1.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143948413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhiping Liu , Lijie Che , Yunlong Ban , Maixia Liu , Xiyan Tang , Yanmin Huang , Jianguo Cui , Chunfang Gan
{"title":"Synthesis and antiproliferative evaluation of novel chrysin selenocyanates","authors":"Zhiping Liu , Lijie Che , Yunlong Ban , Maixia Liu , Xiyan Tang , Yanmin Huang , Jianguo Cui , Chunfang Gan","doi":"10.1080/00397911.2024.2445860","DOIUrl":"10.1080/00397911.2024.2445860","url":null,"abstract":"<div><div>Selenocyano fragments with distinct structural characteristics were successfully incorporated into the 5- and 7-positions of chrysin via etherification and esterification of its hydroxyl groups. Eleven novel chrysin selenocyanates were synthesized, and their structures characterized by NMR and HRMS. The activities of all compounds were evaluated against human cervical cancer cell lines HeLa, ovarian cancer cell lines SKOV-3, and breast carcinoma cell lines MCF-7 using MTT assays. Results indicated that esterified chrysin derivatives significantly inhibited HeLa cells, while alkylated chrysin ethers showed notable activity against SKOV-3 and MCF-7 cells. Compounds <strong>5c</strong> and <strong>5e</strong> exhibited the strongest inhibitory effects on SKOV-3 cells, with IC<sub>50</sub> values of 2.27 ± 0.19 μM and 2.51 ± 0.33 μM, respectively. The introduction of diselenocyanate at both the 5- and 7-positions demonstrated superior inhibitory activity compared to a single selenocyanate at the 7-position alone. The findings may aid in designing novel chemotherapeutic drugs.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 3","pages":"Pages 259-269"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bahgat R. M. Hussein , Hayam H. Mohammed , Eman A. Ahmed , Omran A. Omran
{"title":"One-pot multicomponent reaction: Synthesis, characterization and antibacterial evaluation of novel tri and tetra-substituted imidazoles","authors":"Bahgat R. M. Hussein , Hayam H. Mohammed , Eman A. Ahmed , Omran A. Omran","doi":"10.1080/00397911.2024.2447087","DOIUrl":"10.1080/00397911.2024.2447087","url":null,"abstract":"<div><div>Using one-pot multicomponent reactions, two new series of imidazoles (<strong>4a–o</strong> and <strong>6a–d</strong>), were synthesized due to their great biological activity. The first series was accomplished by the reaction of <em>O</em>-alkyl vanillins <strong>1a–c</strong>, ammonium acetate <strong>2</strong>, and benzil derivatives <strong>3a–e</strong> in ethanol, while the second series was obtained by reacting <em>O</em>-alkyl vanillins <strong>1a</strong>, ammonium acetate <strong>2</strong>, benzil <strong>3a</strong>, and amino compounds (aniline <strong>5a</strong> or amino acids <strong>5b–d</strong>) in acetic acid. The <em>in vitro</em> antibacterial activity of the novel synthetic imidazoles was assessed against strains of gram positive bacteria, such as <em>Bacillus cereus</em> and <em>Staphylococcus aureus</em>, and gram negative bacteria, such as <em>Pseudomonas aeruginosa</em> and <em>Escherichia coli</em>. The findings indicated that some of the evaluated items have promising antibacterial agents, especially imidazoles <strong>4d</strong> and <strong>4e</strong> for (+G) bacteria and imidazoles <strong>4c</strong> and <strong>4f</strong> for (−G) bacteria.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 3","pages":"Pages 270-280"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Omkar C. Dongare , Pradeep U. Yadav , Yatin U. Gadkari
{"title":"Guanidine HCl: a green organo-catalyst for effective multicomponent synthesis of benzodiazepine derivatives under aquatic environment","authors":"Omkar C. Dongare , Pradeep U. Yadav , Yatin U. Gadkari","doi":"10.1080/00397911.2025.2457439","DOIUrl":"10.1080/00397911.2025.2457439","url":null,"abstract":"<div><div>An efficient and environmentally friendly methodology has been developed for the synthesis of 1,5-benzodiazepine derivatives, employing catalytic amounts of guanidine hydrochloride in aqueous conditions. The desired compounds were obtained with high yields by combining variously substituted aryl aldehydes with o-phenylene diamine and dimedone. The protocol offers several advantages, including a rapid reaction time, the use of greener solvents, simple workup procedures, and an uncomplicated purification process, ensuring energy efficiency and versatility. Also, the catalyst can be recycled up to 4-5 cycles without compromising the overall yield, adding to the overall merit of this method. Furthermore, green chemistry metrics such as EcoScale, E-Factor, and Process Mass Intensity (PMI) were employed to evaluate the environmental impact of the process thoroughly.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 5","pages":"Pages 394-404"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huansheng Chen , Dandan Tang , Long Lin , Wei Yuan , Yu Chen , Xianhua Pan
{"title":"New route to preparation of loxoprofen through Mizoroki-Heck reaction as the key step","authors":"Huansheng Chen , Dandan Tang , Long Lin , Wei Yuan , Yu Chen , Xianhua Pan","doi":"10.1080/00397911.2024.2441331","DOIUrl":"10.1080/00397911.2024.2441331","url":null,"abstract":"<div><div>The current study describes a new preparation of loxoprofen. The whole process includes five steps from cheap cyclopentanone and methyl 4-bromophenylacetate as the starting materials. The key intermediate is obtained through Mizoroki-Heck reaction of 2-methylenecyclopentanone and methyl 2-(4-bromophenyl)propanoate. The desired loxoprofen is yielded through hydrogenation followed by hydrolysis in 56% overall yield with 99.7% purity.</div></div>","PeriodicalId":22119,"journal":{"name":"Synthetic Communications","volume":"55 3","pages":"Pages 236-250"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143097180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}