1
|
Abdel-Kader D, Talaat N. Ring transformation reactions of 4-hydroxy-3-nitro-6-phenyl-6 H-pyrano[3,2- c]quinoline-2,5-dione and antioxidant activity. SYNTHETIC COMMUN 2023. [DOI: 10.1080/00397911.2023.2175693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- Dalia Abdel-Kader
- Department of Chemistry, Faculty of Education, Ain Shams University, Cairo, Egypt
| | - Nancy Talaat
- Department of Chemistry, Faculty of Education, Ain Shams University, Cairo, Egypt
| |
Collapse
|
2
|
Hassan MM, Alhalafi MH. Synthesis, Structural Determination, and Antioxidant Activities of Acyclic and Substituted Heterocyclic Phosphonates Linearly Linked 4-hydroxy-2(1H)-quinolinone. Molecules 2022; 27:molecules27185960. [PMID: 36144697 PMCID: PMC9506251 DOI: 10.3390/molecules27185960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 12/05/2022] Open
Abstract
The chemical reactivity of 3-[(E)-3-(dimethylamino)-2-propenoyl]-4-hydroxy-1-methy-2(1H)-quinolinone (1) towards some phosphorus reagents was studied. The enaminone 1 was cyclized into pyranoquinolinylphosphonate 2 via treatment with diethyl phosphite in basic medium. However, its reaction with triethoxy phosphonoacetate gave the substituted oxopyranylphosphonate 3. Using the same reaction conditions, both thioxopyridinylphosphonate 4 and oxopyranylphosphonate 5 were produced via a reaction of enaminone 1 with both diethyl 2-amino-2-thioxoethylphosphonate and diethyl vinylphosphonate, respectively, in low yields. In addition, the two novel oxopyridinylphosphonates 6 and 7 were obtained by treatment of enaminone 1 with a diethyl cyanomethylphosphonate reagent. Two oaxathiaphosphininyl derivatives, 8 and 9, were obtained by treatment of the enaminone 1 with O, O-diethyl dithiophosphoric acid under different reaction conditions. Diazaphosphininyl 11 and oxazaphosphininyl 12 derivatives were obtained in excellent yields using a P-phenylphosphonic diamide reagent under different reaction conditions. The treatment of the enaminone 1 with phosphorus pentasulfide produced the non-phosphorylated product thioxothiopyranoquinolinone 13. Finally, the enaminone was turned into oxathiaphosphininyl 14 using Lawesson’s reagent. The possible reaction mechanisms of the formation of these products were discussed. The structures of newly isolated products were established by elemental analysis and spectral tools. The compounds were evaluated for their antioxidant activities.
Collapse
Affiliation(s)
- Mohamed M. Hassan
- Chemistry Department, Faculty of Education, Ain Shams University, Roxy, Cairo 11711, Egypt
- Correspondence:
| | - Mona H. Alhalafi
- Department of Chemistry, College of Science Al-Zulfi, Majmaah University, P.O. Box 66, Al-Majmaah 11952, Saudi Arabia;
| |
Collapse
|
3
|
Choudhare TS, Wagare DS, Jagrut VB, Netankar PD. Three Component One-Pot Synthesis of Novel 8-Benzyloxy-5-{2-[ N′-(1,3-Diphenyl-1 H-Pyrazol-4-Ylmethylene)-Hydrazino]-Thiazol-4-yl}-3,4-Dihydro-1 H-Quinolin-2-Ones. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2052119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - Vasant B. Jagrut
- Department of Chemistry, Swami Vivekanand Senior College, Mantha, India
| | | |
Collapse
|
4
|
Choudhare TS, Wagare DS, Kadam VT, Netankar PD. Synthesis and microbial screening of 8‐(benzyloxy)‐5‐(2‐[1,
3‐diphenyl‐1
H
‐pyrazol‐4‐yl]thiazol‐4‐yl)quinolin‐2(
1
H
)‐one derivatives. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Vijay T. Kadam
- Department of Chemistry Maulana Azad College Aurangabad India
| | | |
Collapse
|
5
|
Molecular spectroscopic assembly of 3-(4-chlorophenyl)-5-[4-(propane-2-yl) phenyl] 4, 5-dihydro-1H pyrazole-1-carbothioamide, antimicrobial potential and molecular docking analysis. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
6
|
Olyaei A, Sadeghpour M. Recent developments in the synthesis and applications of furopyrazoles. NEW J CHEM 2020. [DOI: 10.1039/d0nj02178d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This review aims to describe the different strategies developed so far for the synthesis of furopyrazoles and their biological and pharmacological properties.
Collapse
Affiliation(s)
- Abolfazl Olyaei
- Department of Chemistry
- Payame Noor University (PNU)
- Tehran
- Iran
| | - Madieh Sadeghpour
- Department of Chemistry
- Takestan Branch, Islamic Azad University
- Takestan
- Iran
| |
Collapse
|
7
|
Nocentini A, Moi D, Deplano A, Osman SM, AlOthman ZA, Balboni G, Supuran CT, Onnis V. Sulfonamide/sulfamate switch with a series of piperazinylureido derivatives: Synthesis, kinetic and in silico evaluation as carbonic anhydrase isoforms I, II, IV, and IX inhibitors. Eur J Med Chem 2020; 186:111896. [DOI: 10.1016/j.ejmech.2019.111896] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/15/2019] [Accepted: 11/15/2019] [Indexed: 01/05/2023]
|
8
|
Noruzian F, Olyaei A, Hajinasiri R. “On-water” one-pot four-component synthesis of novel 1H-furo[2,3-c]pyrazole-4-amine derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2019. [DOI: 10.1007/s11164-019-03837-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
9
|
Han L, Zhou Z. ZrOCl 2
·8H 2
O as an efficient and recyclable catalyst for the one-pot multicomponent synthesis of novel [1,3]oxazino[5,6-c]quinolin-5-one derivatives. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4755] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Liangliang Han
- College of Chemistry and Materials Science; South-Central University for Nationalities; Wuhan 430074 People's Republic of China
| | - Zhongqiang Zhou
- College of Chemistry and Materials Science; South-Central University for Nationalities; Wuhan 430074 People's Republic of China
| |
Collapse
|
10
|
Gao F, Zhang X, Wang T, Xiao J. Quinolone hybrids and their anti-cancer activities: An overview. Eur J Med Chem 2019; 165:59-79. [DOI: 10.1016/j.ejmech.2019.01.017] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/07/2019] [Accepted: 01/08/2019] [Indexed: 01/23/2023]
|
11
|
Abdou MM, Seferoğlu Z, Fathy M, Akitsu T, Koketsu M, Kellow R, Amigues E. Synthesis and chemical transformations of 3-acetyl-4-hydroxyquinolin-2(1H)-one and its N-substituted derivatives: bird’s eye view. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3652-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
12
|
Hassan MM, Hassanin HM. An Efficient New Route for the Synthesis of Some 3-Hterocyclylquinolinones via
Novel 3-(1,2-Dihydro-4-hydroxy-1-methyl-2-oxoquinolin-3-yl)-3-oxopropanal and Their Antioxidant Screening. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2952] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohamed M. Hassan
- Department of Chemistry, Faculty of Education; Ain Shams University; Roxy 11711 Cairo Egypt
| | - Hany M. Hassanin
- Department of Chemistry, Faculty of Education; Ain Shams University; Roxy 11711 Cairo Egypt
| |
Collapse
|
13
|
Chirkova ZV, Filimonov SI, Abramov IG. Synthesis of substituted 3-acyl-1-hydroxyindoles and azoles on their basis. Russ Chem Bull 2017. [DOI: 10.1007/s11172-017-1849-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
14
|
Rizk HF, Ibrahim SA, El-Borai MA. Synthesis, dyeing performance on polyester fiber and antimicrobial studies of some novel pyrazolotriazine and pyrazolyl pyrazolone azo dyes. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2014.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
|
15
|
Sharma P, Liu RS. Skeletal Rearrangement in the ZnII-Catalyzed [4+2]-Annulation of DisubstitutedN-Hydroxy Allenylamines with Nitrosoarenes to Yield Substituted 1,2-Oxazinan-3-one Derivatives. Chemistry 2016; 22:15881-15887. [DOI: 10.1002/chem.201602579] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Pankaj Sharma
- Department of Chemistry; National Tsing-Hua University, 101, Sec. 2; Kuang-Fu Rd. Hsinchu 3003, Taiwan Republic of China
| | - Rai-Shung Liu
- Department of Chemistry; National Tsing-Hua University, 101, Sec. 2; Kuang-Fu Rd. Hsinchu 3003, Taiwan Republic of China
| |
Collapse
|
16
|
Hamama WS, Hassanien AE, El-Fedawy MG, Zoorob HH. Synthesis, PM3-Semiempirical, and Biological Evaluation of Pyrazolo[4,3-c]quinolinones. J Heterocycl Chem 2016. [DOI: 10.1002/jhet.1747] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Wafaa S. Hamama
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Alaa E. Hassanien
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Manal G. El-Fedawy
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| | - Hanafi H. Zoorob
- Chemistry Department, Faculty of Science; Mansoura University; El-Gomhoria Street ET-35516 Mansoura Egypt
| |
Collapse
|
17
|
Yang T, Chen G, Sang Z, Liu Y, Yang X, Chang Y, Long H, Ang W, Tang J, Wang Z, Li G, Yang S, Zhang J, Wei Y, Luo Y. Discovery of a Teraryl Oxazolidinone Compound (S)-N-((3-(3-Fluoro-4-(4-(pyridin-2-yl)-1H-pyrazol-1-yl)phenyl)-2-oxooxazolidin-5-yl)methyl)acetamide Phosphate as a Novel Antimicrobial Agent with Enhanced Safety Profile and Efficacies. J Med Chem 2015. [PMID: 26212502 DOI: 10.1021/acs.jmedchem.5b00152] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A series of novel teraryl oxazolidinone compounds was designed, synthesized, and evaluated for their antimicrobial activity and toxicities. The compounds with aromatic N-heterocyclic substituents at the 4-position of pyrazolyl ring showed better antibacterial activity against the tested bacteria than other compounds with different patterns of substitution. Among all potent compounds, 10f exhibited promising safety profile in MTT assays and in hERG K(+) channel inhibition test. Furthermore, its phosphate was found to be highly soluble in water (47.1 mg/mL), which is beneficial for the subsequent in vivo test. In MRSA systemic infection mice models, 10f phosphate exerted significantly improved survival protection compared with linezolid. The compound also demonstrated high oral bioavailability (F = 99.1%). Moreover, from the results of in vivo toxicology experiments, 10f phosphate would be predicted to have less bone marrow suppression.
Collapse
Affiliation(s)
- Tao Yang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Gong Chen
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zitai Sang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yuanyuan Liu
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaoyan Yang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ying Chang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Haiyue Long
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wei Ang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jianying Tang
- Sichuan Good Doctor Pharmaceutical Co., Ltd. , Chengdu, Sichuan 610031, China
| | - Zhenling Wang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Guobo Li
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shengyong Yang
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jingren Zhang
- Centre for Infectious Diseases Research, School of Medicine, Tsinghua University , Beijing, 100084, China
| | - Yuquan Wei
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| | - Youfu Luo
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, China
| |
Collapse
|
18
|
Galenko AV, Khlebnikov AF, Novikov MS, Pakalnis VV, Rostovskii NV. Recent advances in isoxazole chemistry. RUSSIAN CHEMICAL REVIEWS 2015. [DOI: 10.1070/rcr4503] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
19
|
Ashok D, Ganesh A, Ravi S, Vijaya Lakshmi B, Ramesh B. One pot multicomponent synthesis of 3′,5-diaryl-1′-phenyl-3,4-dihydro-1′H,2H-3,4′-bipyrazoles and their antimicrobial activity. RUSS J GEN CHEM+ 2014. [DOI: 10.1134/s1070363214110346] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
20
|
Hamama WS, Hassanien AEDE, Zoorob HH. Studies on Quinolinedione: Synthesis, Reactions, and Applications. SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2013.867352] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Wafaa S. Hamama
- a Chemistry Department, Faculty of Science , Mansoura University , Mansoura , Egypt
| | | | - Hanafi H. Zoorob
- a Chemistry Department, Faculty of Science , Mansoura University , Mansoura , Egypt
| |
Collapse
|
21
|
Rai P, Srivastava M, Singh J, Singh J. Molecular iodine: a green and inclusive catalyst for the synthesis of highly functionalized 1,3,5-trisubstituted pyrazoles in aqueous medium. RSC Adv 2014. [DOI: 10.1039/c3ra44315a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
22
|
Pyrazole scaffold: A remarkable tool in the development of anticancer agents. Eur J Med Chem 2013; 70:248-58. [DOI: 10.1016/j.ejmech.2013.10.004] [Citation(s) in RCA: 134] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 09/28/2013] [Accepted: 10/01/2013] [Indexed: 11/17/2022]
|
23
|
Cheikh N, Villemin D, Bar N, Lohier JF, Choukchou-Braham N, Mostefa-Kara B, Sopkova J. A serendipitous conversion of enaminolactone nitriles with primary amines: a new synthesis of substituted 2-aminopyridine derivatives. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.10.108] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
24
|
Moskvina VS, Ishchenko AA, Khilya VP. Convenient synthetic method for 6-substituted derivatives of 4-methylumbelliferone. Chem Nat Compd 2012. [DOI: 10.1007/s10600-012-0374-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
25
|
Bhosle MR, Mali JR, Pratap UR, Mane RA. An Efficient Synthesis of New Pyrazolines and Isoxazolines Bearing Thiazolyl and Etheral Pharmacophores. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.6.2012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
26
|
One-pot regioselective synthesis of 1,4,5-trisubstituted pyrazoles under solvent-free conditions without catalyst. MONATSHEFTE FUR CHEMIE 2012. [DOI: 10.1007/s00706-012-0721-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
27
|
|
28
|
Rizk HF, EI-Badawi MA, Ibrahim SA, EI-Borai MA. Cyclization of 4,5-Diamino Pyrazole Derivatives and Their Antibacterial Activities. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201180265] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
29
|
Synthesis characterization and biological evaluation of some alkoxyphthalimide derivatives of 3-(4-substituted phenyl)-6,6-diphenyl-3,3a-dihydro-2H-imidazo[2,1-b]pyrazolo[3,4-d][1,3]thiazol-7(6H)-one. Med Chem Res 2010. [DOI: 10.1007/s00044-010-9392-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
30
|
Lal Jat J, Ojha S, Bhambi D, Dhakar N, Talesara GL. Synthesis and characterization of biologically significant 5,5′-(1,4-phenylene)bis(1-N-alkoxyphthalimido-3-aryl-2-pyrazoline) derivatives. J Enzyme Inhib Med Chem 2008; 23:882-7. [DOI: 10.1080/14756360701442332] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Jawahar Lal Jat
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M.L., Sukhadia University, Udaipur (Raj.), 313001, India
| | - Swati Ojha
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M.L., Sukhadia University, Udaipur (Raj.), 313001, India
| | - Dinesh Bhambi
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M.L., Sukhadia University, Udaipur (Raj.), 313001, India
| | - Neelam Dhakar
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M.L., Sukhadia University, Udaipur (Raj.), 313001, India
| | - G. L. Talesara
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, M.L., Sukhadia University, Udaipur (Raj.), 313001, India
| |
Collapse
|
31
|
Chimichi S, Boccalini M, Matteucci A. Regioselective synthesis of 2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-ones by the cyclization of 3-acyl-4-methoxy-1-methylquinolinones with hydrazines. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.07.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
32
|
Rosa FA, Machado P, Bonacorso HG, Zanatta N, Martins MAP. Reaction of β-dimethylaminovinyl ketones with hydroxylamine: A simple and useful method for synthesis of 3- and 5-substituted isoxazoles. J Heterocycl Chem 2008. [DOI: 10.1002/jhet.5570450337] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
33
|
Komarova ES, Makarov VA, Alekseeva LM, Avramenko GV, Granik VG. 4,5-Diamino-1-phenyl-1,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one in the synthesis of fused tricyclic systems. Russ Chem Bull 2007. [DOI: 10.1007/s11172-007-0369-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
34
|
Chimichi S, Boccalini M, Matteucci A. Unambiguous structure elucidation of the reaction products of 3-acyl-4-methoxy-1-methylquinolinones with hydroxylamine via NMR spectroscopy. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.08.108] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
35
|
Blay G, Fernández I, Molina E, Muñoz MC, Pedro JR, Vila C. Diastereoselective Michael addition of (S)-mandelic acid enolate to 2-arylidene-1,3-diketones: enantioselective diversity-oriented synthesis of densely substituted pyrazoles. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.06.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|