2017
DOI: 10.1002/chem.201702486
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Utilizing Palladium‐Stabilized Zwitterions for the Construction of N‐Heterocycles

Abstract: Pd catalysis provides a convenient method for the generation of zwitterionic intermediates that offer significant opportunities for the synthesis of functionalized heterocycles. The combination of electrophilic π-allyl Pd fragments and C-, N- and O-centered nucleophiles allows these intermediates to react with readily available substrates to furnish a range of high value products with control of chemo-, regio- and stereo-selectivity.

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Cited by 131 publications
(39 citation statements)
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References 128 publications
(179 reference statements)
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“…Decarboxylation of cyclic carbonates proved to be a powerful tool to achieve chemo-, regio-, stereo-and enantioselective synthesis of complex structures [6]. As a related research topic, the Harrity group recently released a review of Pd-catalyzed cyclization reactions via π-allyl-Pd zwitterionic intermediates [7]. In order to avoid unnecessary duplication, we herein would like to focus on reviewing the latest contributions in the last two years, especially in transition metal-catalyzed decarboxylative transformations of cyclic carbonates and carbamates.…”
Section: Introductionmentioning
confidence: 99%
“…Decarboxylation of cyclic carbonates proved to be a powerful tool to achieve chemo-, regio-, stereo-and enantioselective synthesis of complex structures [6]. As a related research topic, the Harrity group recently released a review of Pd-catalyzed cyclization reactions via π-allyl-Pd zwitterionic intermediates [7]. In order to avoid unnecessary duplication, we herein would like to focus on reviewing the latest contributions in the last two years, especially in transition metal-catalyzed decarboxylative transformations of cyclic carbonates and carbamates.…”
Section: Introductionmentioning
confidence: 99%
“…Pd-katalysierte decarboxylierende Kupplung zwischen Alkinylcarbonaten und terminalen Alkenen zur Synthese von substituierten 2,5-Dihydrofuranen. [71] Die ergänzenden Beispiele,z usammengefasst in einem Übersichtsartikel von Harrity, [72] weisen auf das große Synthesepotential dieser Heterocyclen hin. [70] Vordiesem Hintergrund untersuchten Lu und Mitarbeiter kürzlich die Übergangsmetall-katalysierte decarboxylierende Umwandlung von Vinyl-und Ethinylbenzoxazinonen.…”
Section: Cyclische Carbamat-basierte Heterocyclenunclassified
“…[70] Vordiesem Hintergrund untersuchten Lu und Mitarbeiter kürzlich die Übergangsmetall-katalysierte decarboxylierende Umwandlung von Vinyl-und Ethinylbenzoxazinonen. [71] Die ergänzenden Beispiele,z usammengefasst in einem Übersichtsartikel von Harrity, [72] weisen auf das große Synthesepotential dieser Heterocyclen hin.…”
Section: Angewandte Chemieunclassified
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“…These species undergo formal (3 + 2) cycloaddition reactions with electron poor π-systems (i.e., Michael acceptors, carbonyl compounds, etc. ), affording five-membered ring compounds upon Pd(0) release from their vinyl group [1][2][3][4][5]. The study of this VCPs reactivity, disclosed by Tsuji and co-workers in 1985 using Michael acceptors as electron poor π-partners [6], has considerably intensified in recent times, paralleling other processes based on strain-releasing formation of zwitterions by palladium chemistry (e.g., from vinylepoxides and 2-vinylaziridines).…”
Section: Introductionmentioning
confidence: 99%