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3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester is a chemical compound that is commonly used in the pharmaceutical industry. It is primarily used as an intermediate in the synthesis of various pharmaceuticals, including antimalarial and antitumor drugs. Known for its potent biological activities, this compound is often used in the development of new medicinal products. Its ethyl ester form allows for easy handling and manipulation in laboratory settings, making it a convenient choice for drug synthesis and research purposes. 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester has the potential to play a significant role in the development of new and effective drug treatments.
Used in Pharmaceutical Industry:
3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester is used as an intermediate in the synthesis of various pharmaceuticals for its potent biological activities and potential in developing new medicinal products.
Used in Antimalarial Drug Synthesis:
3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester is used as a key component in the development of antimalarial drugs, contributing to the creation of effective treatments against malaria.
Used in Antitumor Drug Synthesis:
3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester is used as a crucial intermediate in the synthesis of antitumor drugs, aiding in the development of medications to combat cancer.
Used in Drug Research and Development:
3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester is used as a research compound for exploring its potential applications in drug development, taking advantage of its ethyl ester form for easy handling and manipulation in laboratory settings.

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  • 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester

    Cas No: 79607-24-2

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  • 79607-24-2 Structure
  • Basic information

    1. Product Name: 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester
    2. Synonyms: 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester;6-Methyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester;Ethyl 6-Methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate;6-methyl-4-carbonylquinoline-3-carboxylic acid ethyl ester
    3. CAS NO:79607-24-2
    4. Molecular Formula: C13H13NO3
    5. Molecular Weight: 231.25
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 79607-24-2.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester(79607-24-2)
    11. EPA Substance Registry System: 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester(79607-24-2)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 79607-24-2(Hazardous Substances Data)

79607-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79607-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,0 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79607-24:
(7*7)+(6*9)+(5*6)+(4*0)+(3*7)+(2*2)+(1*4)=162
162 % 10 = 2
So 79607-24-2 is a valid CAS Registry Number.

79607-24-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-Quinolinecarboxylic acid, 1,4-dihydro-6-methyl-4-oxo-, ethyl ester

1.2 Other means of identification

Product number -
Other names Ethyl 6-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:79607-24-2 SDS

79607-24-2Relevant articles and documents

Conventional and microwave prompted synthesis, antioxidant, anticholinesterase activity screening and molecular docking studies of new quinolone-triazole hybrids

Mermer, Arif,Demirba?, Neslihan,?irin, Yakup,Uslu, Harun,?zdemir, Zeynep,Demirba?, Ahmet

, p. 236 - 248 (2018)

The synthesis of ethyl 4-oxo-1,4-dihydroquinoline-3-carboxylates (4, 5) was performed via the reaction of corresponding anilines with diethyl ethoxymethylenemalonate under conventional and also microwave promoted conditions. The treatment of 4 and 5 affor

Sulfonamide-based 4-anilinoquinoline derivatives as novel dual Aurora kinase (AURKA/B) inhibitors: Synthesis, biological evaluation and in silico insights

Abdelgawad, Mohamed A.,Al-Sanea, Mohammad M.,Alharbi, Khalid S.,Ali Farahat, Ibrahim,Alzarea, Abdulaziz I.,Alzarea, Sami I.,Bakr, Rania B,El Kerdawy, Ahmed M.,Eldehna, Wagdy M.,Elkamhawy, Ahmed,Elshemy, Heba A. H.,Joo Roh, Eun,Lee, Kyeong,Paik, Sora,Syed Nasir Abbas, Bukhari

, (2020/05/08)

Aurora kinases (AURKs) were identified as promising druggable targets for targeted cancer therapy. Aiming at the development of novel chemotype of dual AURKA/B inhibitors, herein we report the design and synthesis of three series of 4-anilinoquinoline derivatives bearing a sulfonamide moiety (5a-d, 9a-d and 11a-d). The percent inhibition of AURKA/B was determined for all target quinolines, then compounds showed more than 50percent inhibition on either of the enzymes, were evaluated further for their IC50 on the corresponding enzyme. In particular, compound 9d displayed potent AURKA/B inhibitory activities with IC50 of 0.93 and 0.09 μM, respectively. Also, 9d emerged as the most efficient anti-proliferative analogue in the US-NCI anticancer assay toward the NCI 60 cell lines panel, with broad spectrum activity against different cell lines from diverse cancer subpanels. Docking studies, confirmed that, the sulfonamide SO2 oxygen was involved in a hydrogen bond with Lys162 and Lys122 in AURKA and AURKB, respectively, whereas, the sulfonamide NH could catch hydrogen bond interaction with the surrounding amino acid residues Lys141, Glu260, and Asn261 in AURKA and Lys101, Glu177, and Asp234 in AURKB. Furthermore, N1 nitrogen of the quinoline scaffold formed an essential hydrogen bond with the hinge region key amino acids Ala213 and Ala173 in AURKA and AURKB, respectively.

3-(Benzo[: D] thiazol-2-yl)-4-aminoquinoline derivatives as novel scaffold topoisomerase i inhibitor via DNA intercalation: Design, synthesis, and antitumor activities

Chen, Nan-Ying,Gu, Zi-Yu,Li, Xiao-Juan,Liao, Hao-Ran,Mo, Dong-Liang,Pan, Cheng-Xue,Su, Gui-Fa,Yuan, Jing-Mei,Zhang, Guo-Hai

, p. 11203 - 11214 (2020/07/15)

Twenty-seven 3-(benzo[d]thiazol-2-yl)-4-aminoquinoline derivatives have been designed and synthesized as topoisomerase I inhibitors. The in vitro anti-proliferation evaluation against four human cancer cell lines (MGC-803, HepG-2, T24, and NCI-H460) and one normal cell line (HL-7702) indicated that most of them exhibited potent cytotoxicity. Among them, 5a was identified as the most promising candidate with a low IC50 value of about 2.20 ± 0.14 and was selected for further exploration. Spectroscopic analyses and agarose-gel electrophoresis assays indicated that 5a could interact with DNA and strongly inhibit topoisomerase I (Topo I). Further screening of the Topo I activity of compounds 5b, 5c, 5e, 5f, 5h, 5i, 5j, 5l, and 5n suggested that some of the compounds might exert quite a different cytotoxicity profile to that of 5a. Molecular modeling studies confirmed that 5a adopts a unique mode to interact with DNA and Topo I. Other molecular mechanistic studies suggested that the treatment of MGC-803 cells with 5a induces S phase arrest, up-regulates the pro-apoptotic protein, down-regulates the anti-apoptotic protein, activates caspase-3, and subsequently induces mitochondrial dysfunction so as to induce cell apoptosis. The in vivo efficiency of 5a was also evaluated on MGC-803 xenograft nude mice and the relative tumor growth inhibition was 42.4percent at 12 mg kg-1 without an obvious loss in the body weight. This journal is

Conjugate Addition Routes to 2-Alkyl-2,3-dihydroquinolin-4(1H)-ones and 2-Alkyl-4-hydroxy-1,2-dihydroquinoline-3-carboxylates

Kingsbury, Alex,Brough, Steve,McCarthy, Antonio Pedrina,Lewis, William,Woodward, Simon

supporting information, p. 1011 - 1017 (2019/12/27)

Under CuBr·SMe2/PPh3 catalysis (5/10 mol-%) RMgCl (R = Me, Et, nPr, CH=CH2, nBu, iBu, nC5H11, cC6H11, Bn, CH2Bn, nC11H23) readily (–78 °C) undergo 1,4-addition to Cbz or Boc protected quinolin-4(1H)-ones to provide 2-alkyl-2,3-dihydroquinolin-4(1H)-ones (14 examples, 54–99 % yield). Asymmetric versions require AlEt3 to Boc-protected ethyl 6-substituted 4(1H)-quinolone-3-carboxylates (6-R group = all halogens, n/i/t-alkyls, CF3) and provide 61–91 % yield, 30–86 % ee; any halogen, Me, or CF3 provide the highest stereoselectivities (76–86 % ee). Additions of AlMe3 or Al(nC8H17)3 provide ≈ 45 and ≈ 75 % ee on addition to the parent (6-R = H). Ligand (S)-(BINOL)P–N(CHPh2)(cC6H11) provides the highest ee values engendering addition to the Si face of the 4(1H)-quinolone-3-carboxylate. Allylation and deprotection of a representative 1,4-addition product example confirm the facial selectivity (X-ray crystallography).

Design, synthesis, in vitro and in silico studies of novel 4-oxoquinoline ribonucleoside derivatives as HIV-1 reverse transcriptase inhibitors

Forezi, Luana da S.M.,Ribeiro, Mariana M.J.,Marttorelli, Andressa,Abrantes, Juliana L.,Rodrigues, Carlos R.,Castro, Helena Carla,Souza, Thiago Moreno L.,Boechat, Fernanda da C.S.,de Souza, Alessandra M.T.,de Souza, Maria Cecília B.V.

, (2020/04/02)

Human immunodeficiency virus type 1 (HIV-1) is a public health problem that affects over 38 million people worldwide. Although there are highly active antiretroviral therapies, emergence of antiviral resistant strains is a problem which leads to almost a million death annually. Thus, the development of new drugs is necessary. The viral enzyme reverse transcriptase (RT) represents a validated therapeutic target. Because the oxoquinolinic scaffold has substantial biological activities, including antiretroviral, a new series of 4-oxoquinoline ribonucleoside derivatives obtained by molecular hybridization were studied here. All synthesized compounds were tested against human immunodeficiency virus type 1 reverse transcriptase (HIV-1 RT), and 9a and 9d displayed the highest antiviral activities, with IC50 values of 1.4 and 1.6 μM, respectively. These compounds were less cytotoxic than AZT and showed CC50 values of 1486 and 1394 μM, respectively. Molecular docking studies showed that the most active compounds bound to the allosteric site of the enzyme, suggesting a low susceptibility to the development of antiviral resistance. In silico pharmacokinetic and toxicological evaluations reinforced the potential of the active compounds as anti-HIV candidates for further exploration. Overall, this work showed that compounds 9a and 9d are promising scaffold for future anti-HIV-1 RT drug design.

Antiviral activity of 4-oxoquinoline-3-carboxamide derivatives against bovine herpesvirus type 5

Pinto, Ana Maria V.,Leite, José Paulo G.,Marinho, Robson S.S.,Forezi, Luana da S.M.,Batalha, Pedro N.,Boechat, Fernanda da C.S.,Cunha, Anna C.,Silva, David O.,Gama, Ivson L.,Faro, Letícia V.,de Souza, Maria C.B.V.,Paix?o, Izabel Christina P.

, p. 13 - 20 (2020/10/21)

Background: Bovine herpesvirus type 5 is an important agent of meningoencephalitis in cattle and has been identified in outbreaks of bovine neurological disease in several Brazilian states. In recent years, oxoquinoline derivatives have become an important focus in antiviral drug research. Methods: The cytotoxicity and anti BoHV-5RJ42/01 activity of a set of synthetic 4-oxoquinoline derivatives 4a-k were assayed on Madin-Darby Bovine Kidney cell and antiviral activity by plaque reduction assay. Results: The most promising substance (4h) exhibited CC50 and EC50 values of 1,239 μM ±5.5 and 6.0 μM ±1.5, respectively, with an SI =206. Two other compounds 4j (CC50 = 35 μM ±2 and EC50 = 24 μM ±7.0) and 4k (CC50= 55 μM ±2 and EC50 = 24 μM ±5.1) presented similar inhibitory profile and selectivity indexes of 1.4 and 2.9, respectively. The results of the time-of-addition studies revealed expressive reduction of virus production (≥80%) in different stages of virus replication cycle except for compound 4h that slightly inhibited virus yield in the first 2 h post infection, but it showed expressive virus inhibition after this time. Conclusions: All three compounds slightly interact with the virus on the virucidal assay and they are not able to block virus attachment and penetration. Antiviral effect of oxoquinoline 4h was more prominent than acyclovir which leads us to suggest compound 4h as a promising molecule for further anti-BoHV-5 drug design.

Structural development of a type-1 ryanodine receptor (RyR1) Ca2+-release channel inhibitor guided by endoplasmic reticulum Ca2+ assay

Mori, Shuichi,Iinuma, Hiroto,Manaka, Noriaki,Ishigami-Yuasa, Mari,Murayama, Takashi,Nishijima, Yoshiaki,Sakurai, Akiko,Arai, Ryota,Kurebayashi, Nagomi,Sakurai, Takashi,Kagechika, Hiroyuki

, p. 837 - 848 (2019/07/12)

Type-1 ryanodine receptor (RyR1) is a calcium-release channel localized on sarcoplasmic reticulum (SR) of the skeletal muscle, and mediates muscle contraction by releasing Ca2+ from the SR. Genetic mutations of RyR1 are associated with skeletal muscle diseases such as malignant hyperthermia and central core diseases, in which over-activation of RyR1 causes leakage of Ca2+ from the SR. We recently developed an efficient high-throughput screening system based on the measurement of Ca2+ in endoplasmic reticulum, and used it to identify oxolinic acid (1) as a novel RyR1 channel inhibitor. Here, we designed and synthesized a series of quinolone derivatives based on 1 as a lead compound. Derivatives bearing a long alkyl chain at the nitrogen atom of the quinolone ring and having a suitable substituent at the 7-position of quinolone exhibited potent RyR1 channel-inhibitory activity. Among the synthesized compounds, 14h showed more potent activity than dantrolene, a known RyR1 inhibitor, and exhibited high RyR1 selectivity over RyR2 and RyR3. These compounds may be promising leads for clinically applicable RyR1 channel inhibitors.

Synthesis and biological evaluation of novel 3-(quinolin-4-ylamino)benzenesulfonamidesAQ3 as carbonic anhydrase isoforms I and II inhibitors

Al-Sanea, Mohammad M.,Elkamhawy, Ahmed,Paik, Sora,Bua, Silvia,Ha Lee, So,Abdelgawad, Mohamed A.,Roh, Eun Joo,Eldehna, Wagdy M.,Supuran, Claudiu T.

, p. 1457 - 1464 (2019/08/26)

Carbonic anhydrases (CAs, EC 4.2.1.1) are crucial metalloenzymes that are involved in diverse bioprocesses. We report the synthesis and biological evaluation of novel series of benzenesulfonamides incorporating un/substituted ethyl quinoline-3-carboxylate moieties. The newly synthesised compounds were in vitro evaluated as inhibitors of the cytosolic human (h) isoforms hCA I and II. Both isoforms hCA I and II were inhibited by the quinolines reported here in variable degrees: hCA I was inhibited with KIs in the range of 0.966–9.091 μM, whereas hCA II in the range of 0.083–3.594 μM. The primary 7-chloro-6-flouro substituted sulphfonamide derivative 6e (KI = 0.083 μM) proved to be the most active quinoline in inhibiting hCA II, whereas, its secondary sulfonamide analog failed to inhibit the hCA II up to 10 μM, confirming the crucial role of the primary sulphfonamide group, as a zinc-binding group for CA inhibitory activity.

Green efficient synthesis method of quinolone compound

-

Paragraph 0017; 0018, (2019/05/08)

The invention discloses a green efficient synthesis method of a quinolone compound. The method is as follows: Step 1, a dicarbonyl compound, triethyl orthoformate and an aniline compound react in theabsence of a solvent and a catalyst to obtain an enamine ester intermediate; and Step 2, the enamine ester intermediate is subjected to an intramolecular cyclization reaction under the action of a cyclization reagent diphenyl ether to obtain a quinolone parent ring compound. The purity of the product reaches up to 98.8%. the synthesis method of the invention has the following main beneficial effects: 1, the reaction in the Step 1 is efficient, and no catalyst or solvent is used so as to avoid generation of the three wastes and the yield is high; 2, the process in the step 2 is green, the cyclization reagent can be recycled and reused; and 3, the process is simple, the steps 1 and 2 can be carried out in the same reactor, and the quinolone compound is obtained after reaction and filtration.

Synthesis and pharmacological evaluation of pyrazolo[4,3-c]quinolinones as high affinity GABAA-R ligands and potential anxiolytics

López Rivilli, Marisa J.,Turina, Anahí V.,Bignante, Elena A.,Molina, Victor H.,Perillo, María A.,Bri?on, Margarita C.,Moyano, Elizabeth L.

, p. 3967 - 3974 (2018/06/29)

The synthesis, in vitro ligand binding study and in vivo Elevated Plus Maze test (EPM) of a series of pyrazolo[4,3-c]quinolin-3-ones (PQs) are reported. Multistep synthesis of PQs started from anilines and diethyl 2-(ethoxymethylene)malonate to give the q

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