1
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O-Benzoylhydroxylamines: A Versatile Electrophilic Aminating Reagent for Transition Metal-Catalyzed C–N Bond-Forming Reactions. Top Curr Chem (Cham) 2023; 381:4. [DOI: 10.1007/s41061-022-00414-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 11/16/2022] [Indexed: 12/23/2022]
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2
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Kremsmair A, Sunagatullina AS, Bole LJ, Mastropierro P, Graßl S, Wilke HR, Godineau E, Hevia E, Knochel P. Exploiting Coordination Effects for the Regioselective Zincation of Diazines Using TMPZnX⋅LiX (X=Cl, Br). Angew Chem Int Ed Engl 2022; 61:e202210491. [PMID: 35943036 PMCID: PMC9826189 DOI: 10.1002/anie.202210491] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 01/11/2023]
Abstract
A new method for regioselective zincations of challenging N-heterocyclic substrates such as pyrimidines and pyridazine was reported using bimetallic bases TMPZnX⋅LiX (TMP=2,2,6,6-tetramethylpiperidyl; X=Cl, Br). Reactions occurred under mild conditions (25-70 °C, using 1.75 equivalents of base without additives), furnishing 2-zincated pyrimidines and 3-zincated pyridazine, which were then trapped with a variety of electrophiles. Contrasting with other s-block metalating systems, which lack selectivity in their reactions even when operating at low temperatures, these mixed Li/Zn bases enabled unprecedented regioselectivities that cannot be replicated by either LiTMP nor Zn(TMP)2 on their own. Spectroscopic and structural interrogations of organometallic intermediates involved in these reactions have shed light on the complex constitution of reaction mixtures and the origins of their special reactivities.
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Affiliation(s)
- Alexander Kremsmair
- Department Chemie & BiochemieLudwig Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Alisa S. Sunagatullina
- Department Chemie & BiochemieLudwig Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Leonie J. Bole
- Department für Chemie und BiochemieUniversität BernFreiestrasse 33012BernSwitzerland
| | - Pasquale Mastropierro
- Department für Chemie und BiochemieUniversität BernFreiestrasse 33012BernSwitzerland
| | - Simon Graßl
- Department Chemie & BiochemieLudwig Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Henrik R. Wilke
- Department Chemie & BiochemieLudwig Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Edouard Godineau
- Forschung & Entwicklung SteinSyngenta Crop Protection AGSchaffhauserstrasse 1014332SteinSwitzerland
| | - Eva Hevia
- Department für Chemie und BiochemieUniversität BernFreiestrasse 33012BernSwitzerland
| | - Paul Knochel
- Department Chemie & BiochemieLudwig Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
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3
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Kremsmair A, Sunagatullina AS, Bole LJ, Mastropierro P, Graßl S, Wilke HR, Godineau E, Hevia E, Knochel P. Exploiting Coordination Effects for the Regioselective Zincation of Diazines Using TMPZnX·LiX (X = Cl, Br). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210491] [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)
| | | | - Leonie J. Bole
- Universität Bern: Universitat Bern Department für Chemie und Biochemie SWITZERLAND
| | | | - Simon Graßl
- Ludwig-Maximilians-Universitat Munchen Department of Chemistry GERMANY
| | - Henrik R. Wilke
- Ludwig-Maximilians-Universitat Munchen Department of Chemistry GERMANY
| | - Edouard Godineau
- Syngenta Crop Protection AG Forschung & Entwicklung Stein SWITZERLAND
| | - Eva Hevia
- Universität Bern: Universitat Bern Chemie und Biochemie SWITZERLAND
| | - Paul Knochel
- Ludwig-Maximilians-Universitat Munchen Department of Chemistry Butenandtstr. 5-13 81377 München GERMANY
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4
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Knochel P, Djukanovic D, Heinz B, Mandrelli F, Mostarda S, Filipponi P, Martin B. Continuous Flow Acylation of (Hetero)aryllithiums with Polyfunctional N,N-Dimethylamides and Tetramethylurea in Toluene. Chemistry 2021; 27:13977-13981. [PMID: 34387898 PMCID: PMC8519161 DOI: 10.1002/chem.202102805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Indexed: 11/05/2022]
Abstract
The continuous flow reaction of various aryl or heteroaryl bromides in toluene in the presence of THF (1.0 equiv) with sec -BuLi (1.1 equiv) provided at 25 °C within 40 sec the corresponding aryllithiums which were acylated with various functionalized N,N-dimethylamides including easily enolizable amides at -20 °C within 27 sec, producing highly functionalized ketones in 48-90% yield (36 examples). This method was well suited for the preparation of α-chiral ketones such as naproxene and ibuprofen derived ketones with 99% ee . A one-pot stepwise bis-addition of two different lithium organometallics to 1,1,3,3-tetramethyurea (TMU) provided unsymmetrical ketones in 69-79% yield (9 examples).
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Affiliation(s)
- Paul Knochel
- Ludwig-Maximilians-Universitat Munchen, Department of Chemistry, Butenandtstr. 5-13, 81377, München, GERMANY
| | - Dimitrije Djukanovic
- Ludwig Maximillians University Munich: Ludwig-Maximilians-Universitat Munchen, Chemistry, GERMANY
| | - Benjamin Heinz
- Ludwig Maximillians University Munich: Ludwig-Maximilians-Universitat Munchen, Chemistry, GERMANY
| | | | - Serena Mostarda
- Novartis Pharma Schweiz AG, Chemical Development, SWITZERLAND
| | - Paolo Filipponi
- Novartis Pharma Schweiz AG, Chemical Development, SWITZERLAND
| | - Benjamin Martin
- Novartis Pharma Schweiz AG, Chemical Development, SWITZERLAND
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5
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Schwärzer K, Zipse H, Karaghiosoff K, Knochel P. Highly Regioselective Addition of Allylic Zinc Halides and Various Zinc Enolates to [1.1.1]Propellane. Angew Chem Int Ed Engl 2020; 59:20235-20241. [PMID: 32744419 PMCID: PMC7693202 DOI: 10.1002/anie.202009340] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Indexed: 01/16/2023]
Abstract
We report a range of highly regioselective openings of [1.1.1]propellane with various allylic zinc halides, as well as zinc enolates of ketones, esters and nitriles. The resulting zincated bicyclopentanes (BCPs) were trapped with a range of electrophiles including acyl chlorides, sulfonothioates, hydroxylamino benzoates, tosyl cyanide as well as aryl and allyl halides, generating highly functionalized BCP-derivatives. The unusually high regioselectivity of these reactions has been rationalized using DFT calculations. A bioisostere of the synthetic opioid pethidine was prepared in 95 % yield in one step using this method.
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Affiliation(s)
- Kuno Schwärzer
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstraße 5–13, Haus F81377MünchenGermany
| | - Hendrik Zipse
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstraße 5–13, Haus F81377MünchenGermany
| | - Konstantin Karaghiosoff
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstraße 5–13, Haus F81377MünchenGermany
| | - Paul Knochel
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstraße 5–13, Haus F81377MünchenGermany
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6
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Schwärzer K, Zipse H, Karaghiosoff K, Knochel P. Hoch regioselektive Addition von allylischen Zinkhalogeniden und verschiedenen Zinkenolaten an [1.1.1]Propellan. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009340] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kuno Schwärzer
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Hendrik Zipse
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Konstantin Karaghiosoff
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
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7
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt‐katalysierte Kreuzkupplung funktionalisierter Alkylzinkreagenzien mit (Hetero‐)Arylhalogeniden. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Philipp Spieß
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Jeffrey M. Hammann
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
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8
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt-Catalyzed Cross-Coupling of Functionalized Alkylzinc Reagents with (Hetero)Aryl Halides. Angew Chem Int Ed Engl 2020; 59:5546-5550. [PMID: 31909546 PMCID: PMC7154687 DOI: 10.1002/anie.201914490] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/11/2019] [Indexed: 11/10/2022]
Abstract
A combination of 10 % CoCl2 and 20 % 2,2'-bipyridine ligands enables cross-coupling of functionalized primary and secondary alkylzinc reagents with various (hetero)aryl halides. Couplings with 1,3- and 1,4-substituted cycloalkylzinc reagents proceeded diastereoselectively leading to functionalized heterocycles with high diastereoselectivities of up to 98:2. Furthermore, alkynyl bromides react with primary and secondary alkylzinc reagents providing the alkylated alkynes.
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Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Philipp Spieß
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Jeffrey M. Hammann
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Paul Knochel
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
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9
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Schwärzer K, Tüllmann CP, Graßl S, Górski B, Brocklehurst CE, Knochel P. Functionalization of 1,3,4-Oxadiazoles and 1,2,4-Triazoles via Selective Zincation or Magnesiation Using 2,2,6,6-Tetramethylpiperidyl Bases. Org Lett 2020; 22:1899-1902. [PMID: 32048510 DOI: 10.1021/acs.orglett.0c00238] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We report the metalation of the 1,3,4-oxadiazole and 1,2,4-triazole scaffolds via regioselective zincation or magnesiation using the TMP bases (TMP = 2,2,6,6-tetramethylpiperidyl) TMP2Zn·2LiCl, TMP2Zn·2MgCl2·2LiCl, TMPMgCl·LiCl, and TMPZnCl·LiCl under mild conditions in THF. Subsequent trapping with various electrophiles including hydroxylamino benzoates gives access to functionalized heterocycles while tolerating many functional groups.
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Affiliation(s)
- Kuno Schwärzer
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Carl Phillip Tüllmann
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Simon Graßl
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Bartosz Górski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Cara E Brocklehurst
- Global Discovery Chemistry, Novartis Institutes for BioMedical Research, 141 Klybeckstrasse, 4057 Basel, Switzerland
| | - Paul Knochel
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
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10
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Graßl S, Singer J, Knochel P. Iron-Mediated Electrophilic Amination of Organozinc Halides using Organic Azides. Angew Chem Int Ed Engl 2020; 59:335-338. [PMID: 31599056 PMCID: PMC6972526 DOI: 10.1002/anie.201911704] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Indexed: 11/15/2022]
Abstract
A wide range of alkyl‐, aryl‐ and heteroarylzinc halides were aminated with highly functionalized alkyl, aryl, and heterocyclic azides. The reaction proceeds smoothly at 50 °C within 1 h in the presence of FeCl3 (0.5 equiv) to furnish the corresponding secondary amines in good yields. This method was extended to peptidic azides and provided the arylated substrates with full retention of configuration. To demonstrate the utility of this reaction, we prepared two amine derivatives of pharmaceutical relevance using this iron‐mediated electrophilic amination as the key step.
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Affiliation(s)
- Simon Graßl
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Johannes Singer
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Paul Knochel
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
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11
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Graßl S, Singer J, Knochel P. Eisenvermittelte elektrophile Aminierung von Organozink‐Halogeniden mit organischen Aziden. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Simon Graßl
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Johannes Singer
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstraße 5–13, Haus F 81377 München Deutschland
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12
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Xu F, Korch KM, Watson DA. Synthesis of Indolines and Derivatives by Aza-Heck Cyclization. Angew Chem Int Ed Engl 2019; 58:13448-13451. [PMID: 31310448 DOI: 10.1002/anie.201907758] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Indexed: 11/07/2022]
Abstract
For the first time, an aza-Heck cyclization that allows the preparation of indoline scaffolds is described. Using N-hydroxy anilines as electrophiles, which can be easily accessed from the corresponding nitroarenes, this method provides indolines bearing pendant functionality and complex ring topologies. Synthesis of challenging indolines, such as those bearing fully substituted carbon atoms at C2, is also possible using this method.
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Affiliation(s)
- Feiyang Xu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
| | - Katerina M Korch
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
| | - Donald A Watson
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA
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Xu F, Korch KM, Watson DA. Synthesis of Indolines and Derivatives by Aza‐Heck Cyclization. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907758] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Feiyang Xu
- Department of Chemistry and BiochemistryUniversity of Delaware Newark DE 19716 USA
| | - Katerina M. Korch
- Department of Chemistry and BiochemistryUniversity of Delaware Newark DE 19716 USA
| | - Donald A. Watson
- Department of Chemistry and BiochemistryUniversity of Delaware Newark DE 19716 USA
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14
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Bouarfa S, Graßl S, Ivanova M, Langlais T, Bentabed-Ababsa G, Lassagne F, Erb W, Roisnel T, Dorcet V, Knochel P, Mongin F. Copper- and Cobalt-Catalyzed Syntheses of Thiophene-Based Tertiary Amines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900276] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Salima Bouarfa
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
- Laboratoire de Synthèse Organique Appliquée; Faculté des Sciences Exactes et Appliquées; Université Oran1 Ahmed Ben Bella; BP 1524 El M′Naouer 31000 Oran Algeria
| | - Simon Graßl
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstrasse 5-13, Haus F 81377 München Germany
| | - Maria Ivanova
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstrasse 5-13, Haus F 81377 München Germany
| | - Timothy Langlais
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstrasse 5-13, Haus F 81377 München Germany
| | - Ghenia Bentabed-Ababsa
- Laboratoire de Synthèse Organique Appliquée; Faculté des Sciences Exactes et Appliquées; Université Oran1 Ahmed Ben Bella; BP 1524 El M′Naouer 31000 Oran Algeria
| | - Frédéric Lassagne
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
| | - William Erb
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
| | - Thierry Roisnel
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
| | - Vincent Dorcet
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
| | - Paul Knochel
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstrasse 5-13, Haus F 81377 München Germany
| | - Florence Mongin
- CNRS; ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes; 35000 Rennes France
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15
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Lee S, Lee Y. Copper-Catalyzed Electrophilic Amination of Benzoxazoles via Magnesation. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900335] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sangback Lee
- Department of Chemistry; Kwangwoon University; 01897 Seoul Republic of Korea
| | - Yunmi Lee
- Department of Chemistry; Kwangwoon University; 01897 Seoul Republic of Korea
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16
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Leroux M, Vorherr T, Lewis I, Schaefer M, Koch G, Karaghiosoff K, Knochel P. Late-Stage Functionalization of Peptides and Cyclopeptides Using Organozinc Reagents. Angew Chem Int Ed Engl 2019; 58:8231-8234. [PMID: 30946517 DOI: 10.1002/anie.201902454] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/01/2019] [Indexed: 12/26/2022]
Abstract
We report a new late-stage functionalization of small peptides and cyclopeptides relying on the Negishi cross-coupling of readily prepared iodotyrosine- or iodophenylalanine-containing peptides with aryl-, heteroaryl-, and alkylzinc pivalates or halides. In silico and in vitro determinations of membrane permeability parameters of the modified cyclopeptides showed that in most cases, the solubility was improved by the introduction of polar pyridyl units while the cell-membrane permeability was maintained.
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Affiliation(s)
- Marcel Leroux
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | | | - Ian Lewis
- Novartis Pharma AG, 4002, Basel, Switzerland
| | | | - Guido Koch
- Novartis Pharma AG, 4002, Basel, Switzerland
| | - Konstantin Karaghiosoff
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Paul Knochel
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
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17
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Leroux M, Vorherr T, Lewis I, Schaefer M, Koch G, Karaghiosoff K, Knochel P. Spätphasenfunktionalisierung von Peptiden und Cyclopeptiden mithilfe von Organozinkreagenzien. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902454] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Marcel Leroux
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | | | - Ian Lewis
- Novartis Pharma AG 4002 Basel Schweiz
| | | | | | - Konstantin Karaghiosoff
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Department Chemie Ludwig-Maximilians-Universität München Butenandtstraße 5–13, Haus F 81377 München Deutschland
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18
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Angelini L, Davies J, Simonetti M, Malet Sanz L, Sheikh NS, Leonori D. Reaction of Nitrogen-Radicals with Organometallics Under Ni-Catalysis: N-Arylations and Amino-Functionalization Cascades. Angew Chem Int Ed Engl 2019; 58:5003-5007. [PMID: 30779864 PMCID: PMC6519068 DOI: 10.1002/anie.201900510] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/18/2019] [Indexed: 11/11/2022]
Abstract
Herein, we report a strategy for the generation of nitrogen-radicals by ground-state single electron transfer with organyl-NiI species. Depending on the philicity of the N-radical, two types of processes have been developed. In the case of nucleophilic aminyl radicals direct N-arylation with aryl organozinc, organoboron, and organosilicon reagents was achieved. In the case of electrophilic amidyl radicals, cascade processes involving intramolecular cyclization, followed by reaction with both aryl and alkyl organometallics have been developed. The N-cyclization-alkylation cascade introduces a novel retrosynthetic disconnection for the assembly of substituted lactams and pyrrolidines with its potential demonstrated in the short total synthesis of four venom alkaloids.
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Affiliation(s)
- Lucrezia Angelini
- School of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Jacob Davies
- School of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Marco Simonetti
- School of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Laia Malet Sanz
- Eli Lilly and Company LimitedErl Wood Manor, WindeleshamSurreyGU20 6PHUK
| | - Nadeem S. Sheikh
- Department of ChemistryCollege of ScienceKing Faisal UniversityP.O. Box 380Al-Ahsa31982Saudi Arabia
| | - Daniele Leonori
- School of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
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19
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Lutter FH, Graßl S, Grokenberger L, Hofmayer MS, Chen Y, Knochel P. Cobalt‐Catalyzed Cross‐Couplings and Electrophilic Aminations using Organozinc Pivalates. ChemCatChem 2019. [DOI: 10.1002/cctc.201900070] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-UniversitätDepartment Chemie und Biochemie Butenandtstr. 5–13 81377 München
| | - Simon Graßl
- Ludwig-Maximilians-UniversitätDepartment Chemie und Biochemie Butenandtstr. 5–13 81377 München
| | - Lucie Grokenberger
- Ludwig-Maximilians-UniversitätDepartment Chemie und Biochemie Butenandtstr. 5–13 81377 München
| | - Maximilian S. Hofmayer
- Ludwig-Maximilians-UniversitätDepartment Chemie und Biochemie Butenandtstr. 5–13 81377 München
| | - Yi‐Hung Chen
- The Institute for Advanced StudiesWuhan University Wuhan 430072 P. R. of China
| | - Paul Knochel
- Ludwig-Maximilians-UniversitätDepartment Chemie und Biochemie Butenandtstr. 5–13 81377 München
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20
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Angelini L, Davies J, Simonetti M, Malet Sanz L, Sheikh NS, Leonori D. Reaction of Nitrogen‐Radicals with Organometallics Under Ni‐Catalysis: N‐Arylations and Amino‐Functionalization Cascades. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900510] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lucrezia Angelini
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Jacob Davies
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Marco Simonetti
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Laia Malet Sanz
- Eli Lilly and Company Limited Erl Wood Manor, Windelesham Surrey GU20 6PH UK
| | - Nadeem S. Sheikh
- Department of ChemistryCollege of ScienceKing Faisal University P.O. Box 380 Al-Ahsa 31982 Saudi Arabia
| | - Daniele Leonori
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
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21
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Balkenhohl M, Valsamidou V, Knochel P. Amination of 2‐Pyridinesulfonic and 8‐Quinolinesulfonic Acids with Magnesium Amides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Moritz Balkenhohl
- Department Chemie Ludwig‐Maximilians‐Universität München Butenandtstrasse 5‐13, Haus F 81377 München Germany
| | - Vasiliki Valsamidou
- Department Chemie Ludwig‐Maximilians‐Universität München Butenandtstrasse 5‐13, Haus F 81377 München Germany
| | - Paul Knochel
- Department Chemie Ludwig‐Maximilians‐Universität München Butenandtstrasse 5‐13, Haus F 81377 München Germany
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22
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Liu X, Zhou C, Lin E, Han X, Zhang S, Li Q, Wang H. Decarboxylative Negishi Coupling of Redox‐Active Aliphatic Esters by Cobalt Catalysis. Angew Chem Int Ed Engl 2018; 57:13096-13100. [DOI: 10.1002/anie.201806799] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Xu‐Ge Liu
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Chu‐Jun Zhou
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - E. Lin
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Xiang‐Lei Han
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Shang‐Shi Zhang
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Qingjiang Li
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Honggen Wang
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
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23
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Liu X, Zhou C, Lin E, Han X, Zhang S, Li Q, Wang H. Decarboxylative Negishi Coupling of Redox‐Active Aliphatic Esters by Cobalt Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806799] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xu‐Ge Liu
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Chu‐Jun Zhou
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - E. Lin
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Xiang‐Lei Han
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Shang‐Shi Zhang
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Qingjiang Li
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Honggen Wang
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
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24
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Li J, Knochel P. Cobalt-katalysierte Kreuzkupplung zwischen Alkenylacetaten und Aryl- oder Alkenylzinkpivalaten. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805486] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jie Li
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstraße 5-13, Haus F 81377 Munich Deutschland
- School of Pharmaceutical Science; Jiangnan University; Lihu Road 1800 214122 Wuxi Jiangsu China
| | - Paul Knochel
- Department Chemie; Ludwig-Maximilians-Universität München; Butenandtstraße 5-13, Haus F 81377 Munich Deutschland
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25
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Li J, Knochel P. Cobalt-Catalyzed Cross-Couplings between Alkenyl Acetates and Aryl or Alkenyl Zinc Pivalates. Angew Chem Int Ed Engl 2018; 57:11436-11440. [DOI: 10.1002/anie.201805486] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/14/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Jie Li
- Department of Chemistry; Ludwig-Maximilians-Universität München; Butenandtstr. 5-13, Haus F 81377 Munich Germany
- School of Pharmaceutical Science; Jiangnan University; Lihu Road 1800 214122 Wuxi Jiangsu China
| | - Paul Knochel
- Department of Chemistry; Ludwig-Maximilians-Universität München; Butenandtstr. 5-13, Haus F 81377 Munich Germany
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26
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Sun HB, Gong L, Tian YB, Wu JG, Zhang X, Liu J, Fu Z, Niu D. Metal- and Base-Free Room-Temperature Amination of Organoboronic Acids with N
-Alkyl Hydroxylamines. Angew Chem Int Ed Engl 2018; 57:9456-9460. [PMID: 29736974 DOI: 10.1002/anie.201802782] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Indexed: 02/05/2023]
Affiliation(s)
- Hong-Bao Sun
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Liang Gong
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Yu-Biao Tian
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jin-Gui Wu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Zhengyan Fu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
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27
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Sun HB, Gong L, Tian YB, Wu JG, Zhang X, Liu J, Fu Z, Niu D. Metal- and Base-Free Room-Temperature Amination of Organoboronic Acids with N
-Alkyl Hydroxylamines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802782] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Hong-Bao Sun
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Liang Gong
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Yu-Biao Tian
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jin-Gui Wu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Zhengyan Fu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- State Key Laboratory of Biotherapy and Cancer Center; West China Hospital
- School of Chemical Engineering; Sichuan University; No. 17 Renmin Nan Road Chengdu 610041 China
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