RSS-Feed abonnieren
Bitte kopieren Sie die angezeigte URL und fügen sie dann in Ihren RSS-Reader ein.
https://www.thieme-connect.de/rss/thieme/de/10.1055-s-00000083.xml
Synlett 2025; 36(07): 869-873
DOI: 10.1055/a-2446-3355
DOI: 10.1055/a-2446-3355
letter
Reductive Dehalogenation towards Olefins Mediated by Phase-Transfer Electrocatalysis
O.P.E., J.R.H., A.T.M., and E.R.C. would like to thank the University of Kent and the Royal Society of Chemistry for funding (E21-0257561176). J.R.H. would also like to thank the U.K.R.I. for her Future Leaders Fellowship, (MR/T020415/1).

Abstract
Mild biphasic conditions enable dibutylviologen salts to act as both phase-transfer catalysts and electrocatalysts for the electroreduction of vicinal dibromides. Optimized experimental reaction conditions permit the production of the corresponding alkenes in competitive yields for a wide range of activated and nonactivated substrates, demonstrating good functional-group tolerance.
Supporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/a-2446-3355.
- Supporting Information
Publikationsverlauf
Eingereicht: 16. August 2024
Angenommen nach Revision: 21. Oktober 2024
Accepted Manuscript online:
21. Oktober 2024
Artikel online veröffentlicht:
04. November 2024
© 2024. Thieme. All rights reserved
Georg Thieme Verlag KG
Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany
-
References and Notes
- 1 Möhle S, Zirbes M, Rodrigo E, Gieshoff T, Wiebe A, Waldvogel SR. Angew. Chem. Int. Ed. 2018; 57: 6018
- 2 Kawamata Y, Hayashi K, Carlson E, Shaji S, Waldmann D, Simmons BJ, Edwards JT, Zapf CW, Saito M, Baran PS. J. Am. Chem. Soc. 2021; 143: 16580
- 3 Yan M, Kawamata Y, Baran PS. Chem. Rev. 2017; 117: 13230
- 4 Leech MC, Lam K. Nat. Rev. Chem. 2022; 6: 275
- 5 Schotten C, Nicholls TP, Bourne RA, Kapur N, Nguyen BN, Willans CE. Green Chem. 2020; 22: 3358
- 6 Stephen HR, Schotten C, Nicholls TP, Woodward M, Bourne RA, Kapur N, Willans CE. Org. Process Res. Dev. 2020; 24: 1084
- 7 Peters BK, Rodriguez KX, Reisberg SH, Beil SB, Hickey DP, Kawamata Y, Collins M, Starr J, Chen L, Udyavara S, Klunder K, Gorey TJ, Anderson SL, Neurock M, Minteer SD, Baran PS. Science 2019; 363: 838
- 8 Fu N, Sauer GS, Lin S. Nat. Protoc. 2018; 13: 1725
- 9 Leech MC, Garcia AD, Petti A, Dobbs AP, Lam K. React. Chem. Eng. 2020; 5: 977
- 10 Heard DM, Lennox AJ. J. Angew. Chem. 2020; 132: 19026
- 11 Francke R, Little RD. Chem. Soc. Rev. 2014; 43: 2492
- 12 Murray PR. D, Cox JH, Chiappini ND, Roos CB, Mcloughlin EA, Hejna BG, Nguyen ST, Ripberger HH, Ganley JM, Tsui E, Shin NY, Koronkiewicz B, Qiu G, Knowles RR. Chem. Rev. 2021; 122: 2017
- 13 Starks CM. J. Am. Chem. Soc. 1971; 93: 195
- 14 Maidan R, Willner I. J. Am. Chem. Soc. 1986; 108: 1080
- 15 Isse AA, Berzi G, Falciola L, Rossi M, Mussini PR, Gennaro A. J. Appl. Electrochem. 2009; 39: 2217
- 16 Ding J, Zheng C, Wang L, Lu C, Zhang B, Chen Y, Li M, Zhai G, Zhuang X. J. Mater. Chem. A 2019; 7: 23337
- 17 Mortimer RJ. Electrochim. Acta 1999; 44: 2971
- 18 Madasamy K, Velayutham D, Suryanarayanan V, Kathiresan M, Ho K.-C. J. Mater. Chem. C 2019; 7: 4622
- 19 Monk PM. S, Hodgkinson NM. Electrochim. Acta 1998; 43: 245
- 20 Park KK, Oh CH, Joung WK. Tetrahedron Lett. 1993; 34: 7445
- 21 Gao G.-Q, Xu A.-W. New J. Chem. 2014; 38: 4661
- 22 Endo T, Saotome Y, Okawara M. J. Am. Chem. Soc. 1984; 106: 1124
- 23 Park KK, Oh CH, Sim W.-J. J. Org. Chem. 1995; 60: 6202
- 24 Li Y, Wen L, Guo W. Chem. Soc. Rev. 2023; 52: 1168
- 25 Li Z, Kelkar S, Lam CH, Luczek K, Jackson JE, Miller DJ, Saffron CM. Electrochim. Acta 2012; 64: 87
- 26 Chen W, Tao H, Huang W, Wang G, Li S, Cheng X, Li G. Chem. Eur. J. 2016; 22: 9546
- 27 Rej S, Pramanik S, Tsurugi H, Mashima K. Chem. Commun. 2017; 53: 13157
-
28
vic-Dibromide Electrocatalytic Reduction: General Procedure[Bu2V]2+ 2X– (0.629 mmol), K2CO3 (5 mmol), hexamethylbenzene (0.36 mmol), and the appropriate vic-dibromide 1 (1.63 mmol) were dissolved in H2O (5 cm3) and DCM (5 cm3), and the mixture was stirred under an inert atmosphere for 5 min. The reaction was then started in the IKA ElectraSyn with the following parameters: 10 mA constant current, 16 h reaction time, 450 rpm stirring. The organic phase was filtered and then concentrated under reduced pressure, and the product was purified by flash column chromatography (silica gel).