2020
DOI: 10.1039/d0sc01289k
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Ortho C–H arylation of arenes at room temperature using visible light ruthenium C–H activation

Abstract: A ruthenium-catalyzed ortho C–H arylation process is described using visible light.

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Cited by 57 publications
(44 citation statements)
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“…Greaney [15] recently disclosed photo-induced ruthenium-catalyzed remote C À Ha lkylations.A fter submission of the present manuscript, Greaney has reported on ar utheniumcatalyzed arylation of phenylpyridines using visible light, which was proposed to occur by an oxidative addition/ reductive elimination process. [16] Within our program on sustainable CÀHa ctivation, [17] we have now devised the first light-driven ruthenium-catalyzed CÀHa rylations at ambient temperature (Figure 1c). Notable features of our strategy include (i)a versatile dual-functional ruthenium(II) biscarboxylate catalyst for selective direct arylations,( ii)visiblelight-induced CÀHa ctivation, (iii)photocatalysts-free ambient temperature transformations,( iv) versatile CÀHa rylations on transformable arenes and biorelevant purines,a nd (v) mechanistic insights by experiment and computation, being supportive of ar uthenium(II/III/IV) mechanism.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Greaney [15] recently disclosed photo-induced ruthenium-catalyzed remote C À Ha lkylations.A fter submission of the present manuscript, Greaney has reported on ar utheniumcatalyzed arylation of phenylpyridines using visible light, which was proposed to occur by an oxidative addition/ reductive elimination process. [16] Within our program on sustainable CÀHa ctivation, [17] we have now devised the first light-driven ruthenium-catalyzed CÀHa rylations at ambient temperature (Figure 1c). Notable features of our strategy include (i)a versatile dual-functional ruthenium(II) biscarboxylate catalyst for selective direct arylations,( ii)visiblelight-induced CÀHa ctivation, (iii)photocatalysts-free ambient temperature transformations,( iv) versatile CÀHa rylations on transformable arenes and biorelevant purines,a nd (v) mechanistic insights by experiment and computation, being supportive of ar uthenium(II/III/IV) mechanism.…”
Section: Introductionmentioning
confidence: 99%
“…In contrast, Ackermann and Greaney recently disclosed photo‐induced ruthenium‐catalyzed remote C−H alkylations. After submission of the present manuscript, Greaney has reported on a ruthenium‐catalyzed arylation of phenylpyridines using visible light, which was proposed to occur by an oxidative addition/reductive elimination process . Within our program on sustainable C−H activation, we have now devised the first light‐driven ruthenium‐catalyzed C−H arylations at ambient temperature (Figure c).…”
Section: Introductionmentioning
confidence: 99%
“…Im Gegensatz dazu haben Ackermann und Greaney kürzlich eine photoinduzierte, rutheniumkatalysierte, meta ‐C‐H‐Alkylierung publiziert. Nach dem Einreichen des aktuellen Manuskripts berichtete Greaney von einer rutheniumkatalysierten Arylierung von Phenylpyridinen unter Verwendung von sichtbarem Licht, wobei hier ein Ablauf über oxidative Addition/reduktive Eliminierung vorgeschlagen wurde . Innerhalb unserer Forschung zur nachhaltigen C‐H‐Aktivierung, haben wir nun die erste lichtinduzierte, rutheniumkatalysierte C‐H‐Arylierung bei Umgebungstemperatur entwickelt (Abbildung c).…”
Section: Introductionunclassified
“…Nach dem Einreichen des aktuellen Manuskripts berichtete Greaney von einer rutheniumkatalysierten Arylierung von Phenylpyridinen unter Verwendung von sichtbarem Licht, wobei hier ein Ablauf über oxidative Addition/reduktive Eliminierung vorgeschlagen wurde. [16] Innerhalb unserer Forschung zur nachhaltigen C-H-Aktivierung, [17] haben wir nun die erste lichtinduzierte, rutheniumkatalysierte C-H-Arylierung bei Umgebungstemperatur entwickelt (Abbildung 1c). Bemerkenswerte Eigenschaften unserer Strategie beinhalten (i)einen vielfältigen Ruthenium(II)biscarboxylat-Katalysator mit zweifacher Funktion fürs elektive direkte Arylierungen, (ii)durch sichtbares Licht induzierte C-H-Aktivierung,( iii)Reaktion bei Umgebungstemperatur ohne Verwendung von einem zusätzlichen Photokatalysator,(iv) vielfältige C-H-Arylierungen an transformierbaren Arenen und biorelevanten Purinen und (v) mechanistische Einblicke durch Experiment und Berechnung,d ie einen Ruthenium(II/III/IV) Mechanismus unterstützen.…”
unclassified
“…Till date no other types of coordination modes including the ortho C-H activated Ir-C2 coordination in the Ir-7,8-benzoquinoline complex have been found. Moreover, ortho C-H bond activation as reported in 7,8-benzoquinoline in the Minisci type reaction needs designed synthesis to activate the ortho C-H bond [19][20][21][22][23][24][25][26] and metalation with ortho-carbon reported only with Sc 27 and Zr. 28 Till date, literature lacks on any such ortho-carbon coordinated Ir(III)-7,8benzoquinoline complex.…”
mentioning
confidence: 99%