1
|
Wenzel JO, Jester F, Togni A, Rombach D. Hydroamination of Triisopropylsilyl Acetylene Sulfur Pentafluoride - a Bench-top Route to Pentafluorosulfanylated Enamines. Chemistry 2024; 30:e202304015. [PMID: 38079230 DOI: 10.1002/chem.202304015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Indexed: 01/17/2024]
Abstract
Synthetic access to a variety of aliphatic and vinylic pentafluorosulfanylated building blocks remains a major challenge in contemporary organofluorine chemistry hampering its investigation in the context of medicinal chemistry, agrochemistry and functional materials. Herein, we report a bench-top protocol to access the virtually unknown class of α-SF5 -enamines under mild reaction conditions in good to excellent yields (up to 95 %). This reaction combines the protodesilylation of the commercially available precursor TASP with the in situ hydroamination of HC≡C-SF5 . The on-site use of highly toxic gases or corrosive reagents is avoided, making access to this motif applicable to a wide chemical audience. The excellent E-diastereoselectivity of this two-step cascade reaction is suggested to be the result of the convergence of the fast Z-/E- isomerization of a vinyl anion as well as the isomerization of the iminium ion. The remarkable thermal stability of these SF5 -enamines encourages further studies of their synthetic utility.
Collapse
Affiliation(s)
- Jonas O Wenzel
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093, Zürich, Switzerland
| | - Fabian Jester
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093, Zürich, Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093, Zürich, Switzerland
| | - David Rombach
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093, Zürich, Switzerland
| |
Collapse
|
2
|
Shou J, Qing F. Three‐Component Reaction of Pentafluorosulfanyl Chloride, Alkenes and Diazo Compounds and Synthesis of Pentafluorosulfanylfurans. Angew Chem Int Ed Engl 2022; 61:e202208860. [DOI: 10.1002/anie.202208860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Indexed: 12/16/2022]
Affiliation(s)
- Jia‐Yi Shou
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Feng‐Ling Qing
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| |
Collapse
|
3
|
Shou JY, Qing FL. Three‐Component Reaction of Pentafluorosulfanyl Chloride, Alkenes and Diazo Compounds and Synthesis of Pentafluorosulfanylfurans. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208860] [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)
- Jia-Yi Shou
- Shanghai Institute of Organic Chemistry Key Laboratory of Organofluorine Chemistry CHINA
| | - Feng-Ling Qing
- Shanghai Institute of Organic Chemistry Laboratory of Organofluorine Chemistry 345 lingling Lu 200032 Shanghai CHINA
| |
Collapse
|
4
|
Iwaki K, Tanagawa K, Mori S, Maruno K, Sumii Y, Nagata O, Shibata N. Regioselective Synthesis of Pyridine-SF 4-Methyl Ketones via Hydration of Pyridine-SF 4-Alkynes. Org Lett 2022; 24:3347-3352. [PMID: 35466677 DOI: 10.1021/acs.orglett.2c00998] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Herein, we report the metal-free hydration of pyridine-SF4-alkynes, under acidic conditions and with reaction durations ranging from 5 min to 10 h at room temperature, to synthesize pyridine-SF4-methyl ketones in yields of 59-93%. Further, we demonstrate the synthetic applications of the synthesized pyridine-SF4-methyl ketones, such as chlorination, NaBH4 reduction, Baeyer-Villiger oxidation, and the generation of enol-triflates. These compounds hold promise as useful building blocks in the syntheses of a wide range of SF4-containing drug candidates.
Collapse
Affiliation(s)
- Kentaro Iwaki
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| | - Kazuhiro Tanagawa
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| | - Soichiro Mori
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| | - Koki Maruno
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| | - Yuji Sumii
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| | - Osamu Nagata
- Pharmaceutical Division, Ube Industries, Ltd., Seavans North Building, 1-2-1 Shibaura, Minato-ku, Tokyo 105-8449, Japan
| | - Norio Shibata
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan.,Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan
| |
Collapse
|
5
|
Haufe G. Synthesis and application of pentafluorosulfanylation reagents and derived aliphatic SF5-containing building blocks. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132656] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
|
6
|
Noonikara-Poyil A, Muñoz-Castro A, Boretskyi A, Mykhailiuk PK, Dias HVR. When SF 5 outplays CF 3: effects of pentafluorosulfanyl decorated scorpionates on copper. Chem Sci 2021; 12:14618-14623. [PMID: 34881014 PMCID: PMC8580053 DOI: 10.1039/d1sc04846e] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/15/2021] [Indexed: 01/01/2023] Open
Abstract
Polyfluorinated, electron-withdrawing, and sterically demanding supporting ligands are of significant value in chemistry. Here we report the assembly and use of a bis(pyrazolyl)borate, [Ph2B(3-(SF5)Pz)2]- that combines all such features, and involves underutilized pentafluorosulfanyl substituents. The ethylene and carbonyl chemistry of copper(i) supported by [Ph2B(3-(SF5)Pz)2]-, a comparison to the trifluoromethylated counterparts involving [Ph2B(3-(CF3)Pz)2]-, as well as copper catalyzed cyclopropanation of styrene with ethyl diazoacetate and CF3CHN2 are presented. The results from cyclopropanation show that SF5 groups dramatically improved the yields and stereoselectivity compared to the CF3.
Collapse
Affiliation(s)
- Anurag Noonikara-Poyil
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington TX 76019 USA
| | - Alvaro Muñoz-Castro
- Grupo de Química Inorgánica y Materiales Moleculares, Facultad de Ingeniería, Universidad Autonoma de Chile El Llano Subercaseaux 2801 Santiago Chile
| | | | - Pavel K Mykhailiuk
- Enamine Ltd Chervonotkatska 78 02094 Kyiv Ukraine
- Chemistry Department, Taras Shevchenko National University of Kyiv Volodymyrska 64 01601 Kyiv Ukraine
| | - H V Rasika Dias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington Arlington TX 76019 USA
| |
Collapse
|
7
|
Dudziński P, Husstedt WS, Matsnev AV, Thrasher JS, Haufe G. Synthesis and [3,3]-sigmatropic rearrangements of 5-(pentafluorosulfanyl)-pent-3-en-2-ol, its homologues, and trifluoromethyl analogues. Org Biomol Chem 2021; 19:5607-5623. [PMID: 34100055 DOI: 10.1039/d1ob00870f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of aliphatic (pentafluoro-λ6-sulfanyl)(SF5)-substituted compounds is more challenging than that of the related CF3-substituted analogues. Previous investigations of [3,3]-sigmatropic rearrangements of γ-SF5-substituted allylic alcohols failed to yield 3-SF5-substituted carboxylic acid derivatives. Herein, we present the synthesis of a series of 1-SF5-alk-1-en-3-ols and our efforts to apply them in Johnson-Claisen, ester enolate-Claisen, and Ireland-Claisen rearrangements. Unfortunately, these reactions failed to include the 1-SF5-substituted 1,2-double bond, although successful reactions of analogous CF3-allylic alcohols were reported. Further experiments revealed that bulkiness rather than electronic properties of the SF5 group prevented [3,3]-sigmatropic rearrangements. Indeed, the introduction of a competing second vinyl group into the system (1-SF5-penta-1,4-dien-3-ol) confirmed that a Johnson-Claisen rearrangement was successful (92% yield of methyl 7-SF5-hepta-4,6-dienoate) with incorporation of the unsubstituted 4,5-double bond while the 1-SF5-substituted 1,2-double bond remained unchanged. Efforts to apply 1-(SF5CF2)-substituted 1,2-double bond systems, which are similar to CF3 analogues in steric requirements, in Johnson-Claisen or ester enolate-Claisen rearrangements failed because of the instability of the SF5CF2 substituent under various reaction conditions. On the other hand, when the SF5 group was separated from the reaction center by a CH2 group instead (5-SF5-pent-3-en-2-ol), Johnson-Claisen rearrangements using six orthoesters provided the target 2-substituted 3-(CH2SF5)-hex-4-enoates in 55-76% yields as ∼1 : 1 mixtures of diastereomers. As an example to demonstrate the utility of these products, methyl 3-(CH2SF5)-hex-4-enoate was reduced, and the formed alcohol was oxidized to the aldehyde. Finally, initial experiments showed that the synthetic sequence developed for SF5 compounds is also applicable for analogous CF3-substituted allylic alcohols (5-CF3-pent-3-en-2-ol) and their Johnson-Claisen rearrangement.
Collapse
Affiliation(s)
- Piotr Dudziński
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, D-48149 Münster, Germany.
| | - Wibke S Husstedt
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, D-48149 Münster, Germany.
| | - Andrej V Matsnev
- Department of Chemistry, Advanced Materials Research Laboratory, Clemson University, 91 Technology Drive, Anderson, South Carolina 29625, USA
| | - Joseph S Thrasher
- Department of Chemistry, Advanced Materials Research Laboratory, Clemson University, 91 Technology Drive, Anderson, South Carolina 29625, USA
| | - Günter Haufe
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, D-48149 Münster, Germany.
| |
Collapse
|
8
|
Cloutier M, Roudias M, Paquin JF. Regioselective Gold-Catalyzed Hydration of CF3- and SF5-alkynes. Org Lett 2019; 21:3866-3870. [DOI: 10.1021/acs.orglett.9b01379] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mélissa Cloutier
- CGCC, PROTEO, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec, G1V 0A6, Canada
| | - Majdouline Roudias
- CGCC, PROTEO, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec, G1V 0A6, Canada
| | - Jean-François Paquin
- CGCC, PROTEO, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec, G1V 0A6, Canada
| |
Collapse
|
9
|
Savoie PR, von Hahmann CN, Penger A, Wei Z, Welch JT. The control of stereochemistry by the pentafluorosulfanyl group. Org Biomol Chem 2018; 16:3151-3159. [PMID: 29645036 DOI: 10.1039/c7ob03146g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The influence of pentafluorosulfanylation on biological activity has been revealed in numerous comparative studies of biologically active compounds, but considerably less is known about the influence of pentafluorosulfanylation on reactivity. Among the distinctive properties of the pentafluorosulfanyl group is the profound dipole moment that results from introduction of this substituent. It has been shown that dipolar effects coupled with the steric demand of the SF5 group may be employed to influence the stereochemistry of reactions, especially those processes with significant charge separation in the transition state. The Staudinger ketene-imine cycloaddition reaction is an ideal platform for investigation of dipolar control of diastereoselectivity by the pentafluorosulfanyl group.
Collapse
Affiliation(s)
- Paul R Savoie
- Department of Chemistry, University at Albany, SUNY, 1400 Washington Ave., Albany, NY 12222, USA.
| | | | | | | | | |
Collapse
|
10
|
Ponomarenko MV, Grabowsky S, Pal R, Röschenthaler GV, Fokin AA. SF5-Enolates in Ti(IV)-Mediated Aldol Reactions. J Org Chem 2016; 81:6783-91. [PMID: 27384450 DOI: 10.1021/acs.joc.6b00946] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The F···Ti bonding in the transition structures determines high trans- and syn-diastereoselectivities for aldol reactions of SF5-acetates with aldehydes in the presence of TiCl4 in the non-nucleophilic solvent CH2Cl2. Such bonding is canceled in nucleophilic solvents where opposite cis-stereochemistry is observed. The potential of thus obtained stereoisomeric SF5-aryl acrylates as dipolarophiles in the preparation of SF5-containing heterocycles is demonstrated.
Collapse
Affiliation(s)
- Maksym V Ponomarenko
- Department of Life Sciences and Chemistry, Jacobs University Bremen gGmbH , Campus Ring 1, 28759 Bremen, Germany
| | - Simon Grabowsky
- Universität Bremen , Institut für Anorganische Chemie und Kristallographie, Leobener Str. NW2, 28359 Bremen, Germany
| | - Rumpa Pal
- Universität Bremen , Institut für Anorganische Chemie und Kristallographie, Leobener Str. NW2, 28359 Bremen, Germany
| | - Gerd-Volker Röschenthaler
- Department of Life Sciences and Chemistry, Jacobs University Bremen gGmbH , Campus Ring 1, 28759 Bremen, Germany
| | - Andrey A Fokin
- Department of Organic Chemistry, Kiev Polytechnic Institute , pr. Pobedy 37, 03056 Kiev, Ukraine
| |
Collapse
|
11
|
Golf HRA, Reissig HU, Wiehe A. Synthesis of SF5-Substituted Tetrapyrroles, Metalloporphyrins, BODIPYs, and Their Dipyrrane Precursors. J Org Chem 2015; 80:5133-43. [DOI: 10.1021/acs.joc.5b00528] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Hartwig R. A. Golf
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
- Biolitec Research GmbH, Otto-Schott-Strasse
15, 07745 Jena, Germany
| | - Hans-Ulrich Reissig
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Arno Wiehe
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
- Biolitec Research GmbH, Otto-Schott-Strasse
15, 07745 Jena, Germany
| |
Collapse
|
12
|
Eftekhari-Sis B, Zirak M. Chemistry of α-oxoesters: a powerful tool for the synthesis of heterocycles. Chem Rev 2014; 115:151-264. [PMID: 25423283 DOI: 10.1021/cr5004216] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
13
|
Savoie PR, Welch JT. Preparation and utility of organic pentafluorosulfanyl-containing compounds. Chem Rev 2014; 115:1130-90. [PMID: 25341449 DOI: 10.1021/cr500336u] [Citation(s) in RCA: 213] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Paul R Savoie
- Department of Chemistry, University at Albany, State University of New York , 1400 Washington Avenue, Albany, New York 12222, United States
| | | |
Collapse
|