1
|
Hu J, Wang C, Yu M, Zhang S, Chen N, Du H. Palladium‐Catalyzed N3‐Directed C‐H Halogenation of N9‐Arylpurines and Azapurines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Junbin Hu
- Beijing University of Chemical Technology College of chemistry CHINA
| | - Chenxing Wang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Mingwu Yu
- Ludong University School of Chemical and Material Science CHINA
| | - Shaojuan Zhang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Ning Chen
- Beijing University of Chemical Technolgy chemistry 15 North 3-rd east road, Beijing 100029 Beijing CHINA
| | - Hongguang Du
- Beijing university of chemical technology college of chemistry CHINA
| |
Collapse
|
2
|
Panigrahi UK, Bhat VT, Ramakrishnan VKM. Magnetically Recyclable Heterogeneous Cobalt Ferrite Catalyst for the Direct N‐Alkylation of (Hetero)aryl Amines with Alcohols. ChemistrySelect 2021. [DOI: 10.1002/slct.202100510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Uttam Kumar Panigrahi
- Department of chemistry College of Engineering and Technology Faculty of Engineering and Technology SRM Institute of Science and Technology SRM Nagar, Kattankulathur 603203, Kanchipuram Chennai Tamil Nadu India
| | - Venugopal T. Bhat
- Department of chemistry College of Engineering and Technology Faculty of Engineering and Technology SRM Institute of Science and Technology SRM Nagar, Kattankulathur 603203, Kanchipuram Chennai Tamil Nadu India
| | - Vengadesh Kumara Mangalam Ramakrishnan
- Department of chemistry College of Engineering and Technology Faculty of Engineering and Technology SRM Institute of Science and Technology SRM Nagar, Kattankulathur 603203, Kanchipuram Chennai Tamil Nadu India
| |
Collapse
|
3
|
Cicco L, Dilauro G, Perna FM, Vitale P, Capriati V. Advances in deep eutectic solvents and water: applications in metal- and biocatalyzed processes, in the synthesis of APIs, and other biologically active compounds. Org Biomol Chem 2021; 19:2558-2577. [DOI: 10.1039/d0ob02491k] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This review highlights recent advances in metal- and biocatalyzed transformations, in the synthesis of APIs and other biologically active compounds, when employing deep eutectic solvents and water as environmentally responsible solvents.
Collapse
Affiliation(s)
- Luciana Cicco
- Dipartimento di Farmacia-Scienze del Farmaco
- Università di Bari “Aldo Moro”
- Consorzio C.I.N.M.P.I.S
- Bari
- Italy
| | - Giuseppe Dilauro
- Dipartimento di Farmacia-Scienze del Farmaco
- Università di Bari “Aldo Moro”
- Consorzio C.I.N.M.P.I.S
- Bari
- Italy
| | - Filippo Maria Perna
- Dipartimento di Farmacia-Scienze del Farmaco
- Università di Bari “Aldo Moro”
- Consorzio C.I.N.M.P.I.S
- Bari
- Italy
| | - Paola Vitale
- Dipartimento di Farmacia-Scienze del Farmaco
- Università di Bari “Aldo Moro”
- Consorzio C.I.N.M.P.I.S
- Bari
- Italy
| | - Vito Capriati
- Dipartimento di Farmacia-Scienze del Farmaco
- Università di Bari “Aldo Moro”
- Consorzio C.I.N.M.P.I.S
- Bari
- Italy
| |
Collapse
|
4
|
Lanez E, Bechki L, Lanez T. Ferrocenylmethylnucleobases Synthesis, DFT Calculations, Electrochemical and Spectroscopic Characterization. CHEMISTRY & CHEMICAL TECHNOLOGY 2020. [DOI: 10.23939/chcht14.02.146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
5
|
Chen S, Zhong Q, Zhu H, Liu C, Zhuang P, Sun W. Visible-Light-Induced C-C Coupling Reaction to Synthesize Bipyridine From 3-Cyano-1,4-Dihydropyridines. Front Chem 2020; 7:940. [PMID: 32010676 PMCID: PMC6978658 DOI: 10.3389/fchem.2019.00940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 12/24/2019] [Indexed: 12/02/2022] Open
Abstract
A concise and efficient photocatalytic C–C coupling of 1-benzyl-3-cyano-1, 4-dihydropyridine for synthesis of 1,1′-dibenzyl-3, 3′-dicyano-1,1′,4,4′-tetrahydro-4, 4′-bipyridine is described. The reporter system provides a novel technique that facilitates synthesis of C–C coupling derivatives without addition of transition metals and oxidants or other additives. A plausible synthetic pathway is proposed, and the coupling product was characterized via nuclear magnetic resonance spectroscopy (1H and 13C NMR), high-resolution electrospray ionization mass spectrometry (ESI-HRMS) and X-ray analyses.
Collapse
Affiliation(s)
- Shijun Chen
- School of Pharmacy, North China University of Science and Technology, Tangshan, China
| | - Qidi Zhong
- School of Pharmacy, North China University of Science and Technology, Tangshan, China
| | - Hao Zhu
- School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Chunyan Liu
- School of Pharmacy, North China University of Science and Technology, Tangshan, China
| | - Pengyu Zhuang
- School of Pharmacy, North China University of Science and Technology, Tangshan, China
| | - Wuji Sun
- School of Public Health, North China University of Science and Technology, Tangshan, China
| |
Collapse
|
6
|
Debnath P. Recent Advances in the Hofmann Rearrangement and Its Application to Natural Product Synthesis. CURR ORG CHEM 2020. [DOI: 10.2174/1385272823666191021115508] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
C-N bond formation reactions are the most important transformations in
(bio)organic chemistry because of the widespread occurrence of amines in pharmaceuticals,
natural products, and biologically active compounds. The Hofmann rearrangement is
a well-known method used for the preparation of primary amines from amides. But, the
traditional version of the Hofmann rearrangement often gave relatively poor yields due to
over-oxidation or due to the poor solubility of some amides in aqueous base, and created
an enormous amount of waste products. Developments over the last two decades, in particular,
have focused on refining both of these factors affecting the reaction. This review
covers both the description of recent advances (2000-2019) in the Hofmann
rearrangements and its applications in the synthesis of heterocycles, natural products and
complex molecules of biological interest. It is revealed that organo-catalytic systems especially hypervalent
iodine-based catalysts have been developed for the green and environmentally friendly conversion of
carboxamides to primary amines and carbamates.
Collapse
Affiliation(s)
- Pradip Debnath
- Department of Chemistry, Maharaja Bir Bikram College, Agartala, Tripura-799004, India
| |
Collapse
|
7
|
Thunga S, Poshala S, Anugu N, Konakanchi R, Vanaparthi S, Kokatla HP. An efficient Pd(II)-(2-aminonicotinaldehyde) complex as complementary catalyst for the Suzuki-Miyaura coupling in water. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.06.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
8
|
Peng L, Hu Z, Tang Z, Jiao Y, Xu X. Recent progress in transition metal catalyzed cross coupling of nitroarenes. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.04.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
|
9
|
Singh PK, Choudhary S, Kashyap A, Verma H, Kapil S, Kumar M, Arora M, Silakari O. An exhaustive compilation on chemistry of triazolopyrimidine: A journey through decades. Bioorg Chem 2019; 88:102919. [DOI: 10.1016/j.bioorg.2019.102919] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/29/2019] [Accepted: 04/08/2019] [Indexed: 02/07/2023]
|
10
|
Mohammadi Ziarani G, Moradi R, Ahmadi T, Lashgari N. Recent advances in the application of indoles in multicomponent reactions. RSC Adv 2018; 8:12069-12103. [PMID: 35539427 PMCID: PMC9079367 DOI: 10.1039/c7ra13321a] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/05/2018] [Indexed: 01/17/2023] Open
Abstract
Indoles are some of the most versatile and common nitrogen-based heterocyclic scaffolds and are frequently used in the synthesis of various organic compounds. Indole based compounds are very important among heterocyclic structures due to their biological and pharmaceutical activities. The last decade, in particular, has witnessed considerable activity towards the synthesis of indole derivatives due to the possibilities for the design of polycyclic structures by the incorporation of multiple fused heterocyclic scaffolds in an attempt to achieve promising new heterocycles with chemical and biomedical relevance. In this study, we provide an overview on recent applications of indole in the multicomponent reactions for the synthesis of various heterocyclic compounds during the period of 2012 to 2017.
Collapse
Affiliation(s)
| | - Razieh Moradi
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
| | - Tahereh Ahmadi
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
| | - Negar Lashgari
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
| |
Collapse
|
11
|
Yu M, Wang Z, Tian M, Lu C, Li S, Du H. Purinyl N(3)-Directed Palladium-Catalyzed C-H Alkoxylation of N(9)-Arylpurines: A Late-Stage Strategy to Synthesize N(9)-(ortho-Alkoxyl)arylpurines. J Org Chem 2016; 81:3435-42. [PMID: 27015589 DOI: 10.1021/acs.joc.6b00148] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A palladium-catalyzed alkoxylation of N(9)-arylpurines with primary or secondary alcohols has been developed successfully, which is a rare C-H activation reaction of polynitrogenated purines and offers a late-stage strategy to synthesize N(9)-(ortho-alkoxyl)arylpurines. Although there are more than four nitrogen atoms present in the purine moiety, the reaction can be effectively conducted by sterically blocking the N(1) site for catalyst coordination and first employing the purinyl N(3) atom as a directing group.
Collapse
Affiliation(s)
- Mingwu Yu
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Zhiqian Wang
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Miao Tian
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Chenghu Lu
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Shunlai Li
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Hongguang Du
- Faculty of Science, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| |
Collapse
|
12
|
Sabat N, Poštová Slavětínská L, Hocek M. Ir-catalyzed C–H silylations of phenyldeazapurines. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.089] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
13
|
Xia R, Xie MS, Niu HY, Qu GR, Guo HM. Radical Route for the Alkylation of Purine Nucleosides at C6 via Minisci Reaction. Org Lett 2013; 16:444-7. [DOI: 10.1021/ol4033336] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ran Xia
- School
of Environment, Henan Normal University, Xinxiang, Henan Province 453007, China
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan Province453007, P. R. China
| | - Ming-Sheng Xie
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan Province453007, P. R. China
| | - Hong-Ying Niu
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan Province453007, P. R. China
| | - Gui-Rong Qu
- School
of Environment, Henan Normal University, Xinxiang, Henan Province 453007, China
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan Province453007, P. R. China
| | - Hai-Ming Guo
- School
of Environment, Henan Normal University, Xinxiang, Henan Province 453007, China
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan Province453007, P. R. China
| |
Collapse
|
14
|
Wang DC, Niu HY, Xie MS, Qu GR, Wang HX, Guo HM. Highly Regioselective Three-Component Domino Heck–Negishi Coupling Reaction for the Functionalization of Purines at C6. Org Lett 2013; 16:262-5. [DOI: 10.1021/ol4032683] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dong-Chao Wang
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Hong-Ying Niu
- School
of Chemistry and Chemical Engineering, Henan Institute of Science and Technology,
Xinxiang 453003, China
| | - Ming-Sheng Xie
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Gui-Rong Qu
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Hui-Xuan Wang
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Hai-Ming Guo
- Collaborative
Innovation Center of Henan Province for Green Manufacturing of Fine
Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry
of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| |
Collapse
|
15
|
|
16
|
Kowalski K, Skiba J, Oehninger L, Ott I, Solecka J, Rajnisz A, Therrien B. Metallocene-Modified Uracils: Synthesis, Structure, and Biological Activity. Organometallics 2013. [DOI: 10.1021/om400294s] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Konrad Kowalski
- Faculty of Chemistry, Department
of Organic Chemistry, University of Łódź,
Tamka 12, PL-91403 Łódź, Poland
| | - Joanna Skiba
- Faculty of Chemistry, Department
of Organic Chemistry, University of Łódź,
Tamka 12, PL-91403 Łódź, Poland
| | - Luciano Oehninger
- Institute
of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstraße
55, D-38106 Braunschweig, Germany
| | - Ingo Ott
- Institute
of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstraße
55, D-38106 Braunschweig, Germany
| | - Jolanta Solecka
- National Institute of Public Health-National Institute of Hygiene, Chocimska
24, PL-00791 Warsaw, Poland
| | - Aleksandra Rajnisz
- National Institute of Public Health-National Institute of Hygiene, Chocimska
24, PL-00791 Warsaw, Poland
| | - Bruno Therrien
- Institute of Chemistry, University of Neuchatel, Avenue de Bellevaux
51, CH-2000 Neuchatel, Switzerland
| |
Collapse
|
17
|
Zhang Q, Guo HM, Ma BW, Huang YZ, Wang QQ, Wang XX, Qu GR. EFFICIENT SYNTHESIS OF PURINE DERIVATIVES BY ONE-POT THREE-COMPONENT MANNICH TYPE REACTION. HETEROCYCLES 2013. [DOI: 10.3987/com-13-12793] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
18
|
Niu HY, Bai SX, Wu S, Qu GR, Guo HM. Synthesis of Chiral N-(Purin-6-yl)amino Acid Derivatives by using Natural Amino Acids as Starting Materials. ASIAN J ORG CHEM 2012. [DOI: 10.1002/ajoc.201200081] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
19
|
Martín-Ortíz M, Gómez-Gallego M, Ramírez de Arellano C, Sierra MA. The selective synthesis of metallanucleosides and metallanucleotides: a new tool for the functionalization of nucleic acids. Chemistry 2012; 18:12603-8. [PMID: 22933336 DOI: 10.1002/chem.201202327] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Indexed: 11/11/2022]
Abstract
Nucleobases team up: the efficient and selective preparation of purine-derived metallanucleosides, metallanucleotides, and metalladinucleotides having M-C bonds (M=Ir(III), Rh(III)) is reported for the first time. The results presented may be applied to the synthesis of functionalized nucleic acids, or DNA/RNA-modified segments.
Collapse
Affiliation(s)
- Mamen Martín-Ortíz
- Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense, Madrid, Spain
| | | | | | | |
Collapse
|
20
|
Functionalization of pyrrolo[2,3-d]pyrimidine by palladium-catalyzed cross-coupling reactions (review). Chem Heterocycl Compd (N Y) 2012. [DOI: 10.1007/s10593-012-0986-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
21
|
Li C, Cui F, Mao R, Huo R, Qu G. Synthesis of N-(2-chloro purin-6-yl) aza-18-crown-6 and its interaction with human serum albumin. Org Biomol Chem 2012; 10:869-75. [DOI: 10.1039/c1ob06241g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
22
|
Qu GR, Xin PY, Niu HY, Jin X, Guo XT, Yang XN, Guo HM. Microwave promoted palladium-catalyzed Suzuki–Miyaura cross-coupling reactions of 6-chloropurines with sodium tetraarylborate in water. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.09.082] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
23
|
Niu HY, Xia C, Qu GR, Zhang Q, Jiang Y, Mao RZ, Li DY, Guo HM. CuBr catalyzed C-N cross coupling reaction of purines and diaryliodonium salts to 9-arylpurines. Org Biomol Chem 2011; 9:5039-42. [PMID: 21660365 DOI: 10.1039/c1ob05333g] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
CuBr was found to be an efficient catalyst for the C-N cross coupling reaction of purine and diaryliodonium salts. 9-Arylpurines were synthesized in excellent yields with short reaction times (2.5 h). The method represents an alternative to the synthesis of 9-arylpurines via Cu(II) catalyzed C-N coupling reaction with arylboronic acids as arylating agents.
Collapse
Affiliation(s)
- Hong-Ying Niu
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang, 453007, China
| | | | | | | | | | | | | | | |
Collapse
|
24
|
Guo HM, Zhang Y, Niu HY, Wang DC, Chu ZL, Qu GR. Microwave promoted C6-alkylation of purines through S(N)Ar-based reaction of 6-chloropurines with 3-alkyl-acetylacetone. Org Biomol Chem 2011; 9:2065-8. [PMID: 21340084 DOI: 10.1039/c0ob01213k] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
C6-Alkylated purine analogues were obtained in good to excellent isolated yields by S(N)Ar reaction of 6-chloropurine derivatives with 3-alkyl-acetylacetone. 3-Alkyl-acetylacetones were employed as alkylating agents and C6-alkylated purines were obtained highly selectively within short reaction time under microwave irradiation conditions. This work is complementary to the classical coupling reactions for the synthesis of C6-alkylated purine analogues.
Collapse
Affiliation(s)
- Hai-Ming Guo
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang 453007, Henan, China.
| | | | | | | | | | | |
Collapse
|
25
|
Facile Cu-free Sonogashira cross-coupling of nucleoside C-6 arylsulfonates with terminal alkynes. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.08.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
26
|
Guo HM, Li P, Niu HY, Wang DC, Qu GR. Direct Synthesis of 6-Arylpurines by Reaction of 6-Chloropurines with Activated Aromatics. J Org Chem 2010; 75:6016-8. [DOI: 10.1021/jo1010334] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hai-Ming Guo
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang 453007, Henan, China
| | - Pu Li
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang 453007, Henan, China
| | - Hong-Ying Niu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Dong-Chao Wang
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang 453007, Henan, China
| | - Gui-Rong Qu
- College of Chemistry and Environmental Science, Key Laboratory of Green Chemical Media and Reactions of Ministry of Education, Henan Normal University, Xinxiang 453007, Henan, China
| |
Collapse
|
27
|
Tumma H, Nagaraju N, Reddy KV. N-Alkylation of 2,6-Dichloropurine Hydrochloride with a Variety of Alcohols over Alumina Catalyst. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910903162791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
28
|
Guo HM, Wu J, Niu HY, Wang DC, Zhang F, Qu GR. The synthesis of novel fluorescent purine analogues modified by azacrown ether at C6. Bioorg Med Chem Lett 2010; 20:3098-102. [DOI: 10.1016/j.bmcl.2010.03.102] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2009] [Revised: 02/25/2010] [Accepted: 03/27/2010] [Indexed: 11/28/2022]
|
29
|
Čerňa I, Pohl R, Klepetářová B, Hocek M. Intramolecular Direct C−H Arylation Approach to Fused Purines. Synthesis of Purino[8,9-f]phenanthridines and 5,6-Dihydropurino[8,9-a]isoquinolines§Dedicated to the memory of Keith Fagnou. J Org Chem 2010; 75:2302-8. [DOI: 10.1021/jo100111t] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Igor Čerňa
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Blanka Klepetářová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| |
Collapse
|
30
|
Synthesis of aryl phosphates based on pyrimidine and triazine scaffolds. Eur J Med Chem 2010; 45:244-55. [DOI: 10.1016/j.ejmech.2009.10.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2008] [Revised: 09/25/2009] [Accepted: 10/01/2009] [Indexed: 11/21/2022]
|
31
|
Kotora M, Hocek M, Turek P, Pohl R, Klepetářová B, Votruba I, Opekar S. [2+2+2]-Cocyclotrimerization of 6-Alkynyl-7-benzylpurines with α,ω-Diynes. HETEROCYCLES 2010. [DOI: 10.3987/com-10-s(e)56] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
32
|
Ningegowda R, Grover A, Basappa, Ranjith S, Rangappa KS, Priya BS, Nanjunda Swamy S. Synthesis, characterization and in vitro anti-tumor activities of novel 9-ethyl-9H-purine derivatives. Invest New Drugs 2009; 28:754-65. [DOI: 10.1007/s10637-009-9309-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2009] [Accepted: 08/13/2009] [Indexed: 12/01/2022]
|
33
|
Ngassa FN, Lindsey EA, Haines BE. The first Cu- and amine-free Sonogashira-type cross-coupling in the C-6-alkynylation of protected 2′-deoxyadenosine. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.03.064] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
34
|
Kuchař M, Pohl R, Klepetářová B, Hocek M. Synthesis of diverse 6-(1,2-disubstituted ethyl)purine bases and nucleosides via 6-(oxiran-2-yl)purines. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.08.074] [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]
|
35
|
Čerňa I, Pohl R, Klepetářová B, Hocek M. Synthesis of 6,8,9-Tri- and 2,6,8,9-Tetrasubstituted Purines by a Combination of the Suzuki Cross-coupling, N-Arylation, and Direct C−H Arylation Reactions. J Org Chem 2008; 73:9048-54. [DOI: 10.1021/jo8018126] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Igor Čerňa
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Gilead Sciences & IOCB Research Center, CZ-16610, Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Gilead Sciences & IOCB Research Center, CZ-16610, Prague 6, Czech Republic
| | - Blanka Klepetářová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Gilead Sciences & IOCB Research Center, CZ-16610, Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Gilead Sciences & IOCB Research Center, CZ-16610, Prague 6, Czech Republic
| |
Collapse
|
36
|
Turek P, Hocek M, Pohl R, Klepetářová B, Kotora M. Cobalt‐Induced Synthesis of 6‐(Pyridin‐2‐yl)purines by Microwave‐Enhanced [2+2+2] Cyclotrimerization. European J Org Chem 2008. [DOI: 10.1002/ejoc.200800205] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
37
|
Šilhár P, Hocek M, Pohl R, Votruba I, Shih IH, Mabery E, Mackman R. Synthesis, cytostatic and anti-HCV activity of 6-(N-substituted aminomethyl)-, 6-(O-substituted hydroxymethyl)- and 6-(S-substituted sulfanylmethyl)purine nucleosides. Bioorg Med Chem 2008; 16:2329-66. [DOI: 10.1016/j.bmc.2007.11.067] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2007] [Revised: 11/21/2007] [Accepted: 11/23/2007] [Indexed: 10/22/2022]
|
38
|
Qu GR, Xia R, Yang XN, Li JG, Wang DC, Guo HM. Synthesis of Novel C6-Phosphonated Purine Nucleosides under Microwave Irradiation by SNAr−Arbuzov Reaction. J Org Chem 2008; 73:2416-9. [DOI: 10.1021/jo702680p] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Gui-Rong Qu
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Ran Xia
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Xi-Ning Yang
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Jian-Guo Li
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Dong-Chao Wang
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Hai-Ming Guo
- College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| |
Collapse
|
39
|
Kuchař M, Pohl R, Klepetářová B, Votruba I, Hocek M. Synthesis of substituted 6-cyclopropylpurine bases and nucleosides by cross-coupling reactions or cyclopropanations. Org Biomol Chem 2008; 6:2377-87. [DOI: 10.1039/b802833h] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
40
|
Kuchař M, Pohl R, Votruba I, Hocek M. Synthesis of Purines Bearing Functionalized C-Substituents by the Conjugate Addition of Nucleophiles to 6-Vinylpurines and 6-Ethynylpurines. European J Org Chem 2006. [DOI: 10.1002/ejoc.200600545] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
41
|
|
42
|
Tobrman T, Dvorak D. Selective Magnesiation of Chloro-iodopurines: An Efficient Approach to New Purine Derivatives. Org Lett 2006; 8:1291-4. [PMID: 16562874 DOI: 10.1021/ol053013w] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] Both 6-chloro-2-iodo-9-isopropylpurine (1) and 2-chloro-6-iodo-9-benzylpurine (4) undergo a selective I/Mg exchange reaction with iPrMgCl at -80 degrees C. The reaction course at 0 degrees C is different. Magnesiation of 1 proceeds with the migration of magnesium to the 8 position of the purine nuclei. In the case of 4, substitution of iodine with an alkyl group from the Grignard reagent accompanied with a Cl/Mg exchange reaction takes place, and 6-alkyl-2-magnesiated purines (9) are formed. Thus prepared Grignard reagents afford the corresponding alcohols by the reaction with aldehydes.
Collapse
Affiliation(s)
- Tomas Tobrman
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 5, 166 28 Prague 6, Czech Republic
| | | |
Collapse
|
43
|
Schröter S, Stock C, Bach T. Regioselective cross-coupling reactions of multiple halogenated nitrogen-, oxygen-, and sulfur-containing heterocycles. Tetrahedron 2005. [DOI: 10.1016/j.tet.2004.11.074] [Citation(s) in RCA: 337] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
44
|
Sharma P, Sharma S, Rane N. Synthesis and in vitro antimicrobial activities of 2-hydroxy-6-methyl-7-(arylamino)-1,7-dihydropurin-8-ones. Bioorg Med Chem 2004; 12:3135-9. [PMID: 15158781 DOI: 10.1016/j.bmc.2004.04.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2004] [Revised: 04/07/2004] [Accepted: 04/08/2004] [Indexed: 10/26/2022]
Abstract
A number of 2-hydroxy-6-methyl-7-(arylamino)-1,7-dihydropurin-8-ones have been synthesized. 3-Oxo-2-(arylhydrazono)butyric acid ethyl ester were acetylated and treated with triethyl amine and formamide in presence of 1,4-dioxane to yield N-(5-acetyl-4-ethoxy-2-oxo-2,5-dihydro-imidazol-1-yl)-N-arylacetamide, which on refluxation with urea and freshly prepared sodium ethoxide yielded the title compound. All the newly synthesized compounds have been characterized by spectroscopic and elemental analysis data. The synthesized compounds were screened against a representative panel of susceptible and resistant Gram-positive and Gram-negative bacteria using a standard antibiotic drug purinthol as control. Quantitative structure-activity relationship has also been interpreted in terms of correlation of biological activity with molecular refractive index parameters (M(R)) and Hammett substituent constant (sigma).
Collapse
Affiliation(s)
- Pratibha Sharma
- School of Chemical Sciences, D.A. University, Indore 452 017, India.
| | | | | |
Collapse
|
45
|
Bork JT, Lee JW, Chang YT. Palladium-catalyzed cross-coupling reaction of resin-bound chlorotriazines. Tetrahedron Lett 2003. [DOI: 10.1016/s0040-4039(03)01451-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
46
|
Kazaoka K, Sajiki H, Hirota K. Synthesis of 6-substituted 9-benzyl-8-hydroxypurines with potential interferon-inducing activity. Chem Pharm Bull (Tokyo) 2003; 51:608-11. [PMID: 12736468 DOI: 10.1248/cpb.51.608] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Various 6-substituted 9-benzyl-8-hydroxypurines were synthesized in order to investigate the structure-activity relationship at the 6-position of 9-benzyl-8-hydroxyadenine (1), which is a lead compound for the screening of interferon (IFN)-inducing activity. 6-Unsubstituted, mercapto-, methylthio- and hydroxy-9-benzyl-8-hydroxypurines (2-5) were prepared from 5-amino-1-benzyl-4-cyano-2-hydroxyimidazole (9). Synthesis of a 6-methoxy analog (6) was conducted from 5-amino-4-benzylamino-6-chloropyrimidine (13). 6-Alkylamino and acylaminopurines (7 and 8) were also prepared by alkylation and acylation of 1, respectively. Since these compounds (2-8) indicated no activity, it was found that a free amino group of 1 is required for the expression of IFN-inducing activity.
Collapse
Affiliation(s)
- Kazunori Kazaoka
- Laboratory of Medicinal Chemistry, Gifu Pharmaceutical University, Mitahora-higashi, Japan
| | | | | |
Collapse
|
47
|
Turek P, Kotora M, Hocek M, Cı́sařová I. [2+2+2]-Co-cyclotrimerization 6-alkynylpurines with diynes: a method for preparation of 6-arylpurines. Tetrahedron Lett 2003. [DOI: 10.1016/s0040-4039(02)02643-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
48
|
Hocek M. Syntheses of Purines Bearing Carbon Substituents in Positions 2, 6 or 8 by Metal‐ or Organometal‐Mediated C−C Bond‐Forming Reactions. European J Org Chem 2002. [DOI: 10.1002/ejoc.200390025] [Citation(s) in RCA: 123] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 16610 Prague 6, Czech Republic, Fax: (internat.) + 420‐2/33331271
| |
Collapse
|
49
|
Hocek M, Votruba I. Covalent analogues of DNA base-pairs and triplets. Part 2: synthesis and cytostatic activity of bis(purin-6-yl)acetylenes,-diacetylenes and related compounds. Bioorg Med Chem Lett 2002; 12:1055-8. [PMID: 11909716 DOI: 10.1016/s0960-894x(02)00077-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The title bis(purin-6-yl)acetylenes, -diacetylenes, -ethylenes and -ethanes were prepared as covalent base-pair analogues starting from 6-ethynylpurines and 6-iodopurines by cross-coupling and homo-coupling reactions and hydrogenations. The bis(purin-6-yl)acetylenes and -diacetylenes exhibited significant cytostatic activity in vitro (IC(50)=0.4-1.0 micromol/l).
Collapse
Affiliation(s)
- Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, CZ-16610 6 Prague, Czech Republic.
| | | |
Collapse
|
50
|
Hocek M, Dvořáková H, Císařová I. Covalent Analogues of DNA Base-Pairs and Triplets V. Synthesis of Purine-Purine and Purine-Pyrimidine Conjugates Connected by Diverse Types of Acyclic Carbon Linkages. ACTA ACUST UNITED AC 2002. [DOI: 10.1135/cccc20021560] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The title 1,2-bis(purin-6-yl)acetylenes, -diacetylenes, -ethylenes and -ethanes were prepared as covalent base-pair analogues starting from 6-ethynylpurines and 6-iodopurines by the Sonogashira cross-coupling or oxidative alkyne-dimerization reactions followed by hydrogenations. 6-[(1,3-Dimethyluracil-5-yl)ethynyl]purine (11) was prepared analogously and hydrogenated to the corresponding purine-pyrimidine conjugates linked via vinylene and ethylene linkers. Unlike the cytostatic bis(purin-6-yl)acetylenes and -diacetylenes, the purine-pyrimidine conjugates were inactive. Crystal structures of bis(purin-6-yl)acetylene 6a, -diacetylene 8a and -ethane 5a were determined by single-crystal X-ray diffraction.
Collapse
|