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For: Shinde VV, Jeong YT. Organic-base-catalyzed diversity-oriented synthesis of novel pyrimido[1,2-b]indazole-3-carbonitrile. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Number Cited by Other Article(s)
1
Cao P, Fan G, Zhao X, Ren X, Wang Y, Wang Y, Gao Q. Regioselective synthesis of 3,4-diarylpyrimido[1,2-b]indazole derivatives enabled by iron-catalyzed ring-opening of styrene oxides. Chem Commun (Camb) 2024;60:11742-11745. [PMID: 39319418 DOI: 10.1039/d4cc03910f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
2
Shen X, Yu ZC, Zhou Y, Wu YD, Wu AX. Divergent synthesis of pyrrolidone fused pyrimido[1,2-b]indazole through selective trapping of an enone intermediate by 1H-indazol-3-amine. Chem Commun (Camb) 2024;60:9781-9784. [PMID: 39158556 DOI: 10.1039/d4cc03483j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
3
Ma LL, Zhou Y, Tang YX, Chen T, Wang ZH, Wu YD, Wang JG, Wu AX. I2-DMSO-Mediated Construction of 2,3- and 2,4-Disubstituted Pyrimido[1,2-b]indazole Skeletons. J Org Chem 2024;89:3941-3953. [PMID: 38421294 DOI: 10.1021/acs.joc.3c02761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
4
Tellal S, Jismy B, Hikem-Oukacha D, Abarbri M. Synthesis of Trifluoromethylated Pyrimido[1,2-b]indazole Derivatives through the Cyclocondensation of 3-Aminoindazoles with Ketoester and Their Functionalization via Suzuki-Miyaura Cross-Coupling and SNAr Reactions. Molecules 2023;29:44. [PMID: 38202627 PMCID: PMC10779788 DOI: 10.3390/molecules29010044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024]  Open
5
Guo Y, Gao Q. Recent advances in 3-aminoindazoles as versatile synthons for the synthesis of nitrogen heterocycles. Org Biomol Chem 2022;20:7138-7150. [PMID: 36043318 DOI: 10.1039/d2ob01348g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
6
Xu Z, Geng X, Cai Y, Wang L. A Straightforward Approach to Fluorinated Pyrimido[1,2-b]indazole Derivatives via Metal/Additive-Free Annulation with Enaminones, 3-Aminoindazoles, and Selectfluor. J Org Chem 2022;87:6562-6572. [PMID: 35486919 DOI: 10.1021/acs.joc.2c00136] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
7
Liu X, Zhou J, Lin J, Zhang Z, Wu S, He Q, Cao H. Controllable Site-Selective Construction of 2- and 4-Substituted Pyrimido[1,2-b]indazole from 3-Aminoindazoles and Ynals. J Org Chem 2021;86:9107-9116. [PMID: 34132097 DOI: 10.1021/acs.joc.1c01094] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
8
Imtiaz S, Ahmad War J, Banoo S, Khan S. α-Aminoazoles/azines: key reaction partners for multicomponent reactions. RSC Adv 2021;11:11083-11165. [PMID: 35423648 PMCID: PMC8695948 DOI: 10.1039/d1ra00392e] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/23/2021] [Indexed: 12/28/2022]  Open
9
Wang QL, Zhou Q, Liao J, Chen Z, Xiong BQ, Deng GJ, Tang KW, Liu Y. Cu-Catalyzed Oxidative Dual Arylation of Active Alkenes: Preparation of Cyanoarylated Oxindoles through Denitrogenation of 3-Aminoindazoles. J Org Chem 2021;86:2866-2875. [PMID: 33467855 DOI: 10.1021/acs.joc.0c02798] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
10
Jismy B, El Qami A, Pišlar A, Frlan R, Kos J, Gobec S, Knez D, Abarbri M. Pyrimido[1,2-b]indazole derivatives: Selective inhibitors of human monoamine oxidase B with neuroprotective activity. Eur J Med Chem 2020;209:112911. [PMID: 33071056 DOI: 10.1016/j.ejmech.2020.112911] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 10/23/2022]
11
Gao Q, Han X, Tong P, Zhang Z, Shen H, Guo Y, Bai S. Aerobic α,β-C(sp3)–H Bond Difunctionalization and C–N Bond Cleavage of Triethylamine: Difunctional Ammonium Iodide Enabling the Regioselective Synthesis of 4-Arylpyrimido[1,2-b]indazoles. Org Lett 2019;21:6074-6078. [DOI: 10.1021/acs.orglett.9b02218] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
12
Shinde VV, Jung S. Succinyl-β-cyclodextrin–driven synthesis of a nitrogen-fused five-ring heterocycle using GBB-based [4 + 1] cycloaddition via supramolecular host–guest interactions. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.12.059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
13
Wang G, Sun J, Wang K, Han J, Li H, Duan G, You G, Li F, Xia C. Palladium-catalyzed direct C–H nitration and intramolecular C–H functionalization for the synthesis of 3-nitro-1-(phenylsulfonyl)-1H-indazole derivatives. Org Chem Front 2019. [DOI: 10.1039/c9qo00367c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
14
Zhou Y, Lou Y, Wang Y, Song Q. Oxidant-controlled divergent transformations of 3-aminoindazoles for the synthesis of pyrimido[1,2-b]-indazoles and aromatic nitrile-derived dithioacetals. Org Chem Front 2019. [DOI: 10.1039/c9qo00847k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
15
Supramolecular aminocatalysis via inclusion complex: Amino-doped β-cyclodextrin as an efficient supramolecular catalyst for the synthesis of chromeno pyrimido[1,2-b]indazol in water. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.08.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
16
Krishnammagari SK, Cho BG, Kim JT, Jeong YT. An efficient and solvent-free one-pot multi-component synthesis of novel highly substituted pyrido[2′,3′:3,4]pyrazolo[1,5-a]pyrimidine-3-carbonitrile derivatives catalyzed by tetramethylguanidine. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2018.1514053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
17
Zhou Y, Wang Y, Lou Y, Song Q. Oxidative Rearrangement of 3-Aminoindazoles for the Construction of 1,2,3-Benzotriazine-4(3H)-ones at Ambient Temperature. Org Lett 2018;20:6494-6497. [DOI: 10.1021/acs.orglett.8b02813] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
18
Kong W, Zhou Y, Song Q. Lewis-acid Promoted Chemoselective Condensation of 2-Aminobenzimidazoles or 3-Aminoindazoles with 3-Ethoxycyclobutanones to Construct Fused Nitrogen heterocycles. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701641] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
19
Li L, Xu H, Dai L, Xi J, Gao L, Rong L. An efficient metal-free cascade process for the synthesis of 4-arylpyrimido[1,2-b]indazole-3-carbonitrile derivatives. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.07.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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