1
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Colella M, Musci P, Cannillo D, Spennacchio M, Aramini A, Degennaro L, Luisi R. Development of a Continuous Flow Synthesis of 2-Substituted Azetines and 3-Substituted Azetidines by Using a Common Synthetic Precursor. J Org Chem 2021; 86:13943-13954. [PMID: 34291947 DOI: 10.1021/acs.joc.1c01297] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The generation and functionalization, under continuous flow conditions, of two different lithiated four-membered aza-heterocycles is reported. N-Boc-3-iodoazetidine acts as a common synthetic platform for the genesis of C3-lithiated azetidine and C2-lithiated azetine depending on the lithiation agent. Flow technology enables easy handling of such lithiated intermediates at much higher temperatures compared to batch processing. Flow technology combined with cyclopentylmethyl ether as an environmentally responsible solvent allows us to address sustainability concerns.
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Affiliation(s)
- Marco Colella
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
| | - Pantaleo Musci
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
| | - Debora Cannillo
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
| | - Mauro Spennacchio
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
| | - Andrea Aramini
- Department of Discovery, Dompé Farmaceutici S.p.A., Via Campo di Pile, L'Aquila 67100, Italy
| | - Leonardo Degennaro
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
| | - Renzo Luisi
- FLAME-Lab, Flow Chemistry and Microreactor Technology Laboratory, Department of Pharmacy - Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, 70125 Bari, Italy
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2
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Musci P, Colella M, Fanelli F, Altomare A, Pisano L, Carlucci C, Luisi R, Degennaro L. Stereo- and Enantioselective Addition of Organolithiums to 2-Oxazolinylazetidines as a Synthetic Route to 2-Acylazetidines. Front Chem 2019; 7:614. [PMID: 31572708 PMCID: PMC6749145 DOI: 10.3389/fchem.2019.00614] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 08/23/2019] [Indexed: 11/29/2022] Open
Abstract
A new synthetic route to N-alkyl-2-acylazetidines was developed through a highly stereoselective addition of organolithiums to N-alkyl-2-oxazolinylazetidines followed by acidic hydrolysis of the resulting oxazolidine intermediates. This study revealed an unusual reactivity of the C=N bond of the oxazoline group when reacted with organolithiums in a non-polar solvent such as toluene. The observed reactivity has been explained considering the role of the nitrogen lone pair of the azetidine ring as well as of the oxazolinyl group in promoting a complexation of the organolithium, thus ending up with the addition to the C=N double bond. The high level of stereoselectivity in this addition is supported by DFT calculations and NMR investigations, and a model is proposed for the formation of the oxazolidine intermediates, that have been isolated and fully characterized. Upon acidic conditions, the oxazolidine moieties were readily converted into 2-acylazetidines. This synthetic approach has been applied for the preparation of highly enantioenriched 2-acylazetidines starting from chiral not racemic N-alkyl-2-oxazolinylazetidines.
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Affiliation(s)
- Pantaleo Musci
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Marco Colella
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Flavio Fanelli
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy.,Crystallography Institute of the National Research Council (IC-CNR), Bari, Italy
| | - Angela Altomare
- Crystallography Institute of the National Research Council (IC-CNR), Bari, Italy
| | - Luisa Pisano
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Claudia Carlucci
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Renzo Luisi
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy
| | - Leonardo Degennaro
- Flow Chemistry and Microreactor Technology FLAME-Lab, Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Bari, Italy
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3
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Cascade reactions as efficient and universal tools for construction and modification of 6-, 5-, 4- and 3-membered sulfur heterocycles of biological relevance. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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4
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Azzena U, Carraro M, Pisano L. Addressing Stereochemistry of Heterocyclic Compounds by DFT NMR Calculations. Chem Heterocycl Compd (N Y) 2018. [DOI: 10.1007/s10593-018-2279-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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5
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Voss J, Otzen D, Adiwidjaja G. 3,5-Thietanopentofuranoside S-oxides and S,S-dioxides – preparation and structural characterization. PHOSPHORUS SULFUR 2017. [DOI: 10.1080/10426507.2017.1292273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Jürgen Voss
- Department of Chemistry, University of Hamburg, Hamburg, Germany
| | - Dirk Otzen
- Department of Chemistry, University of Hamburg, Hamburg, Germany
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6
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Parisi G, Degennaro L, Carlucci C, de Candia M, Mastrorilli P, Roller A, Holzer W, Altomare CD, Pace V, Luisi R. A greener and efficient access to substituted four- and six-membered sulfur-bearing heterocycles. Org Biomol Chem 2017; 15:5000-5015. [DOI: 10.1039/c7ob00846e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The regioselective functionalization of four- and six-membered cyclic sulfones was investigated using a lithiation/functionalization strategy.
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Affiliation(s)
- Giovanna Parisi
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
- Department of Pharmaceutical Chemistry
| | - Leonardo Degennaro
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
| | - Claudia Carlucci
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
| | - Modesto de Candia
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
| | | | - Alexander Roller
- Institute of Inorganic Chemistry
- University of Vienna
- 1090 – Vienna
- Austria
| | - Wolfgang Holzer
- Department of Pharmaceutical Chemistry
- University of Vienna
- 1090 – Vienna
- Austria
| | - Cosimo Damiano Altomare
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
| | - Vittorio Pace
- Department of Pharmaceutical Chemistry
- University of Vienna
- 1090 – Vienna
- Austria
| | - Renzo Luisi
- Department of Pharmacy – Drug Sciences
- University of Bari “A. Moro”
- FLAME-Lab – Flow Chemistry and Microreactor Technology Laboratory
- Italy
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7
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Antermite D, Degennaro L, Luisi R. Recent advances in the chemistry of metallated azetidines. Org Biomol Chem 2017; 15:34-50. [DOI: 10.1039/c6ob01665k] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The almost unexplored four-membered azetidines represent a particularly interesting class of molecules, among the family of saturated nitrogen heterocycles. This review reports recent developments in direct metal-based functionalization of the azetidine ring, focusing on the regio- and stereoselectivity of these reactions.
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Affiliation(s)
- Daniele Antermite
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
| | | | - Renzo Luisi
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
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8
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Parisi G, Zenzola M, Capitanelli E, Carlucci C, Romanazzi G, Pisano L, Degennaro L, Luisi R. Exploiting structural and conformational effects for a site-selective lithiation of azetidines. PURE APPL CHEM 2016. [DOI: 10.1515/pac-2016-0602] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
AbstractInterest in molecular structures bearing four-membered heterocycles (FMHs) is growing due to the possibility to explore new regions of the chemical space and get new lead molecules. Our interest in the development of divergent synthesis of functionalized FMHs, prompted us to disclose factors affecting the reactivity of nitrogen-bearing FMHs towards metalating agents. Our investigations demonstrated that structural factors and conformational preferences need to be considered in planning a site-selective functionalization of azetidines. It will be showed how such factors could have pivotal importance in the reactivity of FMHs.
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Affiliation(s)
- Giovanna Parisi
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
| | - Marina Zenzola
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
| | - Emanuela Capitanelli
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
| | - Claudia Carlucci
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
| | - Giuseppe Romanazzi
- 2DICATECh, Politecnico di Bari, Via E. Orabona 4, 70125 – Italy
- 3CNR NANOTEC−Istituto di Nanotecnologia, Polo di Nanotecnologia c/o Campus Ecotekne, via Monteroni, 73100 Lecce, Italy
| | - Luisa Pisano
- 4Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 – Italy
| | - Leonardo Degennaro
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
| | - Renzo Luisi
- 1Department of Pharmacy – Drug Sciences, University of Bari “A. Moro” Via E. Orabona 4, 70125 – Italy
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9
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Pisano L, Degennaro L, Carraro M, Azzena U, Fanelli F, Mastrorilli P, Luisi R. Computational NMR as Useful Tool for Predicting Structure and Stereochemistry of Four-Membered Sulfur Heterocycles. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600372] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Luisa Pisano
- Department of Chemistry and Pharmacy; University of Sassari; Via Vienna 2 07100 Sassari Italy
| | - Leonardo Degennaro
- Department of Pharmacy - Drug Sciences, University of Bari “A. Moro”; FLAME-Lab - Flow Chemistry and Microreactor Technology Laboratory; University of Bari; Via E. Orabona 4 70125 Bari Italy
| | - Massimo Carraro
- Department of Chemistry and Pharmacy; University of Sassari; Via Vienna 2 07100 Sassari Italy
| | - Ugo Azzena
- Department of Chemistry and Pharmacy; University of Sassari; Via Vienna 2 07100 Sassari Italy
| | - Flavio Fanelli
- Department of Pharmacy - Drug Sciences, University of Bari “A. Moro”; FLAME-Lab - Flow Chemistry and Microreactor Technology Laboratory; University of Bari; Via E. Orabona 4 70125 Bari Italy
- Institution: CNR, Institue of Crystallography IC-CNR; Via Amendola 127/A 70125 Bari Italy
| | | | - Renzo Luisi
- Department of Pharmacy - Drug Sciences, University of Bari “A. Moro”; FLAME-Lab - Flow Chemistry and Microreactor Technology Laboratory; University of Bari; Via E. Orabona 4 70125 Bari Italy
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10
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Zenzola M, Doran R, Degennaro L, Luisi R, Bull JA. Transfer of Electrophilic NH Using Convenient Sources of Ammonia: Direct Synthesis of NH Sulfoximines from Sulfoxides. Angew Chem Int Ed Engl 2016; 55:7203-7. [PMID: 27126053 PMCID: PMC5074267 DOI: 10.1002/anie.201602320] [Citation(s) in RCA: 143] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Indexed: 12/14/2022]
Abstract
A new system for NH transfer is developed for the preparation of sulfoximines, which are emerging as valuable motifs for drug discovery. The protocol employs readily available sources of nitrogen without the requirement for either preactivation or for metal catalysts. Mixing ammonium salts with diacetoxyiodobenzene directly converts sulfoxides into sulfoximines. This report describes the first example of using of ammonia sources with diacetoxyiodobenzene to generate an electrophilic nitrogen center. Control and mechanistic studies suggest a short-lived electrophilic intermediate, which is likely to be PhINH or PhIN(+) .
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Affiliation(s)
- Marina Zenzola
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ, UK
- Department of Pharmacy, Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari, 70125, Italy
| | - Robert Doran
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ, UK
| | - Leonardo Degennaro
- Department of Pharmacy, Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari, 70125, Italy
| | - Renzo Luisi
- Department of Pharmacy, Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari, 70125, Italy.
| | - James A Bull
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ, UK.
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11
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Zenzola M, Doran R, Degennaro L, Luisi R, Bull JA. Transfer of Electrophilic NH Using Convenient Sources of Ammonia: Direct Synthesis of NH Sulfoximines from Sulfoxides. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201602320] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Marina Zenzola
- Department of Chemistry; Imperial College London, South Kensington; London SW7 2AZ UK
- Department of Pharmacy, Drug Sciences; University of Bari “A. Moro”; Via E. Orabona 4 Bari 70125 Italy
| | - Robert Doran
- Department of Chemistry; Imperial College London, South Kensington; London SW7 2AZ UK
| | - Leonardo Degennaro
- Department of Pharmacy, Drug Sciences; University of Bari “A. Moro”; Via E. Orabona 4 Bari 70125 Italy
| | - Renzo Luisi
- Department of Pharmacy, Drug Sciences; University of Bari “A. Moro”; Via E. Orabona 4 Bari 70125 Italy
| | - James A. Bull
- Department of Chemistry; Imperial College London, South Kensington; London SW7 2AZ UK
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12
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Degennaro L, Carroccia L, Parisi G, Zenzola M, Romanazzi G, Fanelli F, Pisano L, Luisi R. Regio- and Stereoselective Synthesis of Sulfur-Bearing Four-Membered Heterocycles: Direct Access to 2,4-Disubstituted Thietane 1-Oxides. J Org Chem 2015; 80:12201-11. [DOI: 10.1021/acs.joc.5b02126] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Leonardo Degennaro
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
| | - Laura Carroccia
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
| | - Giovanna Parisi
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
| | - Marina Zenzola
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
| | - Giuseppe Romanazzi
- DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
- CNR NANOTEC−Istituto di Nanotecnologia, Polo di Nanotecnologia c/o Campus Ecotekne, via
Monteroni, 73100 Lecce, Italy
| | - Flavio Fanelli
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
- CNR, Institute of Crystallography IC-CNR, Amendola, 122/o, 70125 Bari, Italy
| | - Luisa Pisano
- Department
of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Renzo Luisi
- Department
of Pharmacy − Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, 70125 Bari, Italy
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13
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Degennaro L, Pisano L, Parisi G, Mansueto R, Clarkson GJ, Shipman M, Luisi R. Nitrogen Stereodynamics and Complexation Phenomena as Key Factors in the Deprotonative Dynamic Resolution of Alkylideneaziridines: A Spectroscopic and Computational Study. J Org Chem 2015; 80:6411-8. [PMID: 25996163 DOI: 10.1021/acs.joc.5b00848] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present work is aimed at shedding light on the origin of the stereoselectivity observed in the reactions of chiral heterosubstituted organolithiums, generated by lithiation of alkylideneaziridines. Factors such as the nitrogen inversion barrier, the stereochemistry at the nitrogen atom, the substitution pattern of the alkylideneaziridines, and the reaction conditions are taken into consideration. The interplay between nitrogen stereodynamics and complexation phenomena seems to be crucial in determining the stereochemical outcome of the lithiation/trapping sequence. The findings were rationalized by a synergistic use of NMR experiments, run on the lithiated intermediates, alongside computational data. It has been demonstrated that, in such systems, the stereochemistry-determining step is the deprotonation reaction, and a model based on a deprotonative dynamic resolution has been proposed. Such findings could find application in dynamic systems other than aziridines.
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Affiliation(s)
- Leonardo Degennaro
- †Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari 70125, Italy
| | - Luisa Pisano
- ‡Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, Sassari 07100, Italy
| | - Giovanna Parisi
- †Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari 70125, Italy
| | - Rosmara Mansueto
- †Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari 70125, Italy.,§Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Guy J Clarkson
- §Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Michael Shipman
- §Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Renzo Luisi
- †Department of Pharmacy-Drug Sciences, University of Bari "A. Moro", Via E. Orabona 4, Bari 70125, Italy
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14
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Chu XQ, Meng H, Xu XP, Ji SJ. One-Pot Synthesis of Allylic Sulfones, Ketosulfones, and Triflyl Allylic Alcohols from Domino Reactions of Allylic Alcohols with Sulfinic Acid under Metal-Free Conditions. Chemistry 2015; 21:11359-68. [PMID: 26096856 DOI: 10.1002/chem.201500469] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Indexed: 12/30/2022]
Abstract
A metal-free tandem procedure by using a sulfonylation reaction of aryl allylic alcohols followed by an iodobenzenediacetate (PIDA)-promoted oxidative functionalization has been established. Allylic sulfones, γ-ketosulfones, and triflyl allylic alcohols have been constructed in a single operation. The methodology incorporates the sulfonyl (both aryl and triflyl) functionality with a simple work-up procedure.
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Affiliation(s)
- Xue-Qiang Chu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China)
| | - Hua Meng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China)
| | - Xiao-Ping Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China).
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China).
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15
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Zenzola M, Doran R, Luisi R, Bull JA. Synthesis of Sulfoximine Carbamates by Rhodium-Catalyzed Nitrene Transfer of Carbamates to Sulfoxides. J Org Chem 2015; 80:6391-9. [DOI: 10.1021/acs.joc.5b00844] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Marina Zenzola
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
- Department
of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, Bari 70125, Italy
| | - Robert Doran
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Renzo Luisi
- Department
of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, Bari 70125, Italy
| | - James A. Bull
- Department
of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
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16
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Parisi G, Capitanelli E, Pierro A, Romanazzi G, Clarkson GJ, Degennaro L, Luisi R. Easy access to constrained peptidomimetics and 2,2-disubstituted azetidines by the unexpected reactivity profile of α-lithiated N-Boc-azetidines. Chem Commun (Camb) 2015; 51:15588-91. [DOI: 10.1039/c5cc06323j] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The unprecedented reactivity profile of lithiatedN-Boc-2-arylazetidines gave access either to new azetidine-based peptidomimetics or to the regioselective functionalization of the azetidine ring.
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Affiliation(s)
- Giovanna Parisi
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
| | | | - Antonella Pierro
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
| | | | | | | | - Renzo Luisi
- Department of Pharmacy – Drug Sciences
- University of Bari
- Bari 70125
- Italy
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17
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Zenzola M, Degennaro L, Trinchera P, Carroccia L, Giovine A, Romanazzi G, Mastrorilli P, Rizzi R, Pisano L, Luisi R. Harnessing theortho-Directing Ability of the Azetidine Ring for the Regioselective and Exhaustive Functionalization of Arenes. Chemistry 2014; 20:12190-200. [DOI: 10.1002/chem.201403141] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Indexed: 11/07/2022]
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