1
|
Guney T, Wenderski TA, Boudreau MW, Tan DS. Synthesis of Benzannulated Medium-ring Lactams via a Tandem Oxidative Dearomatization-Ring Expansion Reaction. Chemistry 2018; 24:13150-13157. [PMID: 29936701 PMCID: PMC6242278 DOI: 10.1002/chem.201802880] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Indexed: 12/19/2022]
Abstract
Medium-ring natural products exhibit diverse biological activities but such scaffolds are underrepresented in probe and drug discovery efforts due to the limitations of classical macrocyclization reactions. We report herein a tandem oxidative dearomatization-ring-expanding rearomatization (ODRE) reaction that generates benzannulated medium-ring lactams directly from simple bicyclic substrates. The reaction accommodates diverse aryl substrates (haloarenes, aryl ethers, aryl amides, heterocycles) and strategic incorporation of a bridgehead alcohol generates a versatile ketone moiety in the products amenable to downstream modifications. Cheminformatic analysis indicates that these medium rings access regions of chemical space that overlap with related natural products and are distinct from synthetic drugs, setting the stage for their use in discovery screening against novel biological targets.
Collapse
Affiliation(s)
- Tezcan Guney
- Dr. T. Guney, Dr. T. A. W enderski, Prof. Dr. D. S. Tan,
Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer
Center, 1275 York Avenue, Box 422, New York, New York, 10065, USA
| | - Todd A. Wenderski
- Dr. T. Guney, Dr. T. A. W enderski, Prof. Dr. D. S. Tan,
Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer
Center, 1275 York Avenue, Box 422, New York, New York, 10065, USA
| | - Matthew W. Boudreau
- M. W. Boudreau, Gerstner Sloan Kettering Summer
Undergraduate Research Program, Memorial Sloan Kettering Cancer Center, 1275 York
Avenue, Box 422, New York, New York, 10065, USA
| | - Derek S. Tan
- Dr. T. Guney, Dr. T. A. W enderski, Prof. Dr. D. S. Tan,
Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer
Center, 1275 York Avenue, Box 422, New York, New York, 10065, USA
- Prof. Dr. D. S. Tan, Tri-Institutional Research Program,
Memorial Sloan Kettering Cancer Center, 1275 York Avenue, Box 422, New York, New
York, 10065, USA
| |
Collapse
|
2
|
Ieawsuwan W, Ruchirawat S. PIFA-BF 3·OEt 2 mediated intramolecular regioselective domino cyclization of ynamides: A novel method for the synthesis of tetrahydroisoquinoline-oxazol-2(3H)-ones. Bioorg Med Chem 2017; 25:2856-2867. [PMID: 28351608 DOI: 10.1016/j.bmc.2017.03.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/09/2017] [Accepted: 03/17/2017] [Indexed: 10/19/2022]
Abstract
The transition metal-free intramolecular regioselective domino cyclization of N-Boc protected ynamides has been developed to provide the corresponding tetrahydroisoquinoline-oxazo-2(3H)-ones in moderate to good yields.
Collapse
Affiliation(s)
- Winai Ieawsuwan
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand.
| | - Somsak Ruchirawat
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand; Chemical Biology Program, Chulabhorn Graduate Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand; Center of Excellence on Environmental Health and Toxicology (EHT), Ministry of Education, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand
| |
Collapse
|
3
|
Zhang B, Zhang X, Hu B, Sun D, Wang S, Zhang-Negrerie D, Du Y. PhI(OCOCF 3) 2-Mediated Construction of a 2-Spiropseudoindoxyl Skeleton via Cascade Annulation of 2-Sulfonamido-N-phenylpropiolamide Derivatives. Org Lett 2017; 19:902-905. [PMID: 28134531 DOI: 10.1021/acs.orglett.7b00058] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A cascade annulation of 2-sulfonamido-N-phenylpropiolamide derivatives leading to the construction of the 2-spiropseudoindoxyl skeleton was realized under mild conditions with phenyliodine(III) bis(trifluoroacetate) (PIFA) as the sole oxidant. This metal-free spirocyclization process is suggested to encompass a sequential C(sp2)-C(sp) and C(sp2)-N bond formation with the concomitant introduction of a carbonyl oxygen.
Collapse
Affiliation(s)
- Bobo Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Xiang Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Bei Hu
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Desong Sun
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Senlin Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Daisy Zhang-Negrerie
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, P. R. China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, P. R. China
| |
Collapse
|
4
|
Funes‐Ardoiz I, Sameera WMC, Romero RM, Martínez C, Souto JA, Sampedro D, Muñiz K, Maseras F. DFT Rationalization of the Diverse Outcomes of the Iodine(III)‐Mediated Oxidative Amination of Alkenes. Chemistry 2016; 22:7545-53. [DOI: 10.1002/chem.201600415] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Ignacio Funes‐Ardoiz
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - W. M. C. Sameera
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
- Fukui Institute for Fundamental Chemistry Kyoto University 606-8103 Kyoto Japan
| | - R. Martín Romero
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Claudio Martínez
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - José A. Souto
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Diego Sampedro
- Departamento de Química Centro de Investigación en Síntesis Química (CISQ) Universidad de La Rioja C/Madre de Dios, 51 26006 Logroño Spain
| | - Kilian Muñiz
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institution for Research and Advanced Studies (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
| | - Feliu Maseras
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Universitat Autònoma de Barcelona 08193 Bellaterra Spain
| |
Collapse
|
5
|
Singh P, Samanta K, Das SK, Panda G. Amino acid chirons: a tool for asymmetric synthesis of heterocycles. Org Biomol Chem 2015; 12:6297-339. [PMID: 24989176 DOI: 10.1039/c4ob00943f] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As a result of their easy availability in enantiomerically enriched form and their possession of synthetically transformable diverse functional groups, amino acids have been extensively used by synthetic organic and medicinal chemists as a chiral pool for access to heterocycles (monocycles, bicycles or polycycles, either bridged or fused). This review describes the syntheses of diverse asymmetric heterocycles with various membered rings (n = 3-9) followed by benzo or heteroannulated ones, for the period from 1996 to Dec. 2013. It details solution phase synthetic methodologies in which the naturally occurring α-amino acid is incorporated, totally or partially, into the final product.
Collapse
Affiliation(s)
- Priyanka Singh
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, B.S. 10/1, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
| | | | | | | |
Collapse
|
6
|
Yuan J, Liu C, Lei A. Construction of N-containing heterocycles via oxidative intramolecular N–H/X–H coupling. Chem Commun (Camb) 2015; 51:1394-409. [DOI: 10.1039/c4cc08116a] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The preparation of N-containing heterocycles using oxidative coupling has become a hot topic recently. This feature article summarized the methodology related to the construction of N-heterocycles through intramolecular oxidative N–H/X–H coupling.
Collapse
Affiliation(s)
- Jiwen Yuan
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan
- P. R. China
| | - Chao Liu
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan
- P. R. China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan
- P. R. China
- National Research Center for Carbohydrate Synthesis
| |
Collapse
|
7
|
Affiliation(s)
- Chang-Liang Sun
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Green Chemistry Center, Peking University , 202 Chengfu Road, 098#, Beijing 100871, China
| | | |
Collapse
|
8
|
Sokolovs I, Lubriks D, Suna E. Copper-catalyzed intermolecular C-H amination of (hetero)arenes via transient unsymmetrical λ³-iodanes. J Am Chem Soc 2014; 136:6920-8. [PMID: 24739120 DOI: 10.1021/ja502174d] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A one-pot two-step method for intermolecular C-H amination of electron-rich heteroarenes and arenes has been developed. The approach is based on a room-temperature copper-catalyzed regioselective reaction of the in situ formed unsymmetrical (hetero)aryl-λ(3)-iodanes with a wide range of primary and secondary aliphatic amines and anilines.
Collapse
Affiliation(s)
- Igors Sokolovs
- Latvian Institute of Organic Synthesis , Aizkraukles 21, LV-1006, Riga, Latvia
| | | | | |
Collapse
|
9
|
Kaur N, Kishore D. Synthetic Strategies Applicable in the Synthesis of Privileged Scaffold: 1,4-Benzodiazepine. SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2013.772202] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Navjeet Kaur
- a Department of Chemistry , Banasthali University , Banasthali , Rajasthan , India
| | - Dharma Kishore
- a Department of Chemistry , Banasthali University , Banasthali , Rajasthan , India
| |
Collapse
|
10
|
Li X, Yang L, Zhang X, Zhang-Negrerie D, Du Y, Zhao K. Construction of 1,4-Benzodiazepine Skeleton from 2-(Arylamino)benzamides through PhI(OAc)2-Mediated Oxidative C–N Bond Formation. J Org Chem 2014; 79:955-62. [DOI: 10.1021/jo402413g] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Xuming Li
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Liu Yang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Xiang Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Daisy Zhang-Negrerie
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Kang Zhao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| |
Collapse
|
11
|
Zheng Z, Zhang-Negrerie D, Du Y, Zhao K. The applications of hypervalent iodine(III) reagents in the constructions of heterocyclic compounds through oxidative coupling reactions. Sci China Chem 2013. [DOI: 10.1007/s11426-013-5043-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
12
|
Souto JA, Martínez C, Velilla I, Muñiz K. Definierte hypervalente Iod(III)-Reagentien mit transferierbaren Stickstoffgruppen: nucleophile Aminierung durch elektrophile Aktivierung. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201206420] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
|
13
|
Souto JA, Martínez C, Velilla I, Muñiz K. Defined Hypervalent Iodine(III) Reagents Incorporating Transferable Nitrogen Groups: Nucleophilic Amination through Electrophilic Activation. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/anie.201206420] [Citation(s) in RCA: 113] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
|
14
|
Wang J, Yuan Y, Xiong R, Zhang-Negrerie D, Du Y, Zhao K. Phenyliodine Bis(trifluoroacetate)-Mediated Oxidative C–C Bond Formation: Synthesis of 3-Hydroxy-2-oxindoles and Spirooxindoles from Anilides. Org Lett 2012; 14:2210-3. [DOI: 10.1021/ol300418h] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Junwei Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yucheng Yuan
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Rui Xiong
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Daisy Zhang-Negrerie
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Kang Zhao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| |
Collapse
|
15
|
Boutard N, Dufour-Gallant J, Deaudelin P, Lubell WD. Pyrrolo[3,2-e][1,4]diazepin-2-one Synthesis: A Head-to-Head Comparison of Soluble versus Insoluble Supports. J Org Chem 2011; 76:4533-45. [DOI: 10.1021/jo200424q] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Nicolas Boutard
- Chemistry Department, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - Julien Dufour-Gallant
- Chemistry Department, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - Philippe Deaudelin
- Chemistry Department, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - William D. Lubell
- Chemistry Department, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| |
Collapse
|
16
|
D’Anna F, Frenna V, Ghelfi F, Marullo S, Spinelli D. Acid- and Base-Catalysis in the Mononuclear Rearrangement of Some (Z)-Arylhydrazones of 5-Amino-3-benzoyl-1,2,4-oxadiazole in Toluene: Effect of Substituents on the Course of Reaction. J Org Chem 2011; 76:2672-9. [DOI: 10.1021/jo200066n] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Francesca D’Anna
- Dipartimento STEMBIO, Università degli Studi di Palermo, Viale delle Scienze-Parco d’Orleans II, 90128 Palermo, Italy
| | - Vincenzo Frenna
- Dipartimento STEMBIO, Università degli Studi di Palermo, Viale delle Scienze-Parco d’Orleans II, 90128 Palermo, Italy
| | - Franco Ghelfi
- Dipartimento di Chimica, Università degli Studi di Modena e Reggio Emilia, Via Campi 183, 41125 Modena, Italy
| | - Salvatore Marullo
- Dipartimento STEMBIO, Università degli Studi di Palermo, Viale delle Scienze-Parco d’Orleans II, 90128 Palermo, Italy
| | - Domenico Spinelli
- Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, Via Selmi 2, 40126 Bologna, Italy
| |
Collapse
|
17
|
Majumdar KC. Regioselective formation of medium-ring heterocycles of biological relevance by intramolecular cyclization. RSC Adv 2011. [DOI: 10.1039/c1ra00494h] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
18
|
Malamidou-Xenikaki E, Spyroudis S, Tsanakopoulou M, Hadjipavlou-Litina D. A Convenient Approach to Fused Indeno-1,4-diazepinones through Hypervalent Iodine Chemistry. J Org Chem 2009; 74:7315-21. [DOI: 10.1021/jo9013063] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Spyros Spyroudis
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Maria Tsanakopoulou
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Dimitra Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| |
Collapse
|
19
|
|
20
|
PIFA-mediated synthesis of novel pyrazoloquinolin-4-ones as potential ligands for the estrogen receptor. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.09.098] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
21
|
Brouillette Y, Lisowski V, Fulcrand P, Martinez J. Reactivity Study of 1H-Thieno[3,2-d][1,3]oxazine-2,4-dione toward the Synthesis of Bicyclic 3,4-Dihydro-1H-thieno[3,2-e][1,4]diazepine-2,5-dione Analogues. J Org Chem 2007; 72:2662-5. [PMID: 17323999 DOI: 10.1021/jo0622882] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of 10 optically pure 3,4-dihydro-1H-thieno[3,2-e][1,4]diazepine-2,5-dione derivatives has been synthesized in 41-75% yields on treatment of 1H-thieno[3,2-d][1,3]oxazine-2,4-dione with different natural alpha-amino acids.
Collapse
Affiliation(s)
- Yann Brouillette
- Laboratoire des Aminoacides, Peptides et Protéines (LAPP), CNRS UMR 5810, UMI-UMII, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | | | | | | |
Collapse
|
22
|
Du Y, Liu R, Linn G, Zhao K. Synthesis of N-Substituted Indole Derivatives via PIFA-Mediated Intramolecular Cyclization. Org Lett 2006; 8:5919-22. [PMID: 17165894 DOI: 10.1021/ol062288o] [Citation(s) in RCA: 161] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[Structure: see text] A variety of N-arylated and N-alkylated indole derivatives were synthesized by way of a phenyliodine bis(trifluoroacetate) (PIFA)-mediated intramolecular cyclization. This novel method allows for the construction of an indole skeleton by joining the N-atom on the side chain to the benzene ring at the last synthetic step. Other novel pyrrole-fused aromatic compounds can also be achieved by this method.
Collapse
Affiliation(s)
- Yunfei Du
- College of Pharmaceuticals and Biotechnology, Tianjin University, 300072, PRC
| | | | | | | |
Collapse
|
23
|
Correa A, Tellitu I, Domínguez E, SanMartin R. An advantageous synthesis of new indazolone and pyrazolone derivatives. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.09.031] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
24
|
Correa A, Tellitu I, Domínguez E, Moreno I, Sanmartin R. An Efficient, PIFA Mediated Approach to Benzo-, Naphtho-, and Heterocycle-Fused Pyrrolo[2,1-c][1,4]diazepines. An Advantageous Access to the Antitumor Antibiotic DC-81. J Org Chem 2005; 70:2256-64. [PMID: 15760213 DOI: 10.1021/jo047872u] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text] The synthesis of a series of optically pure benzo-, naphtho-, and heterocycle-fused pyrrolo[2,1-c][1,4]-diazepin-5,11-dione derivatives starting from l-proline methyl ester is presented. The synthetic plan includes an aroylation step at the proline nitrogen followed by transformation of the ester residue into a N-methoxyamide group. The subsequent key cyclization step embraces the PIFA mediated formation of a N-acylnitrenium intermediate and its succeeding intramolecular trapping by the aromatic ring. The presented general approach solves the need of starting from not very accessible amino (or a related functionality) aromatic starting materials, and its effectiveness is demonstrated in the synthesis of the antitumor antibiotic DC-81.
Collapse
Affiliation(s)
- Arkaitz Correa
- Departamento de Química Orgánica II, Facultad de Ciencia y Tecnología, Universidad del País Vasco-Euskal Herriko Unibertsitatea (UPV/EHU), P.O. Box 644-48080, Bilbao, Spain
| | | | | | | | | |
Collapse
|
25
|
Bremner JB. Chapter 7 Seven-Membered rings. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/s0959-6380(05)80058-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
|