Photocatalytic Functionalization of Dihydroquinoxalin‐2‐Ones with Pyrazolones

zu Verbundenen Objekten

Abstract: A visible‐light photoredox functionalization of 3,4‐dihydro‐quinoxalin‐2‐ones with pyrazolones using an inexpensive organophotoredox catalyst is described. The reaction uses 9,10‐phenanthrenedione as photocatalyst, a very simple and cheap photocatalyst, a HP single Blue LED (455 nm) as visible‐light source and oxygen from air as terminal oxidant, obtaining the corresponding acetylated pyrazoles with good yields. The reaction can be extended to other nitrogen heterocycles such as 5‐aminopyrazoles with good results.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Photocatalytic Functionalization of Dihydroquinoxalin‐2‐Ones with Pyrazolones ; day:21 ; month:11 ; year:2022 ; extent:1
Advanced synthesis & catalysis ; (21.11.2022) (gesamt 1)

Urheber
Rostoll‐Berenguer, Jaume
Sierra‐Molero, Francisco J.
Blay, Gonzalo
Pedro, José R.
Vila, Carlos

DOI
10.1002/adsc.202201018
URN
urn:nbn:de:101:1-2022112114252715639953
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:36 MESZ

Datenpartner

Dieses Objekt wird bereitgestellt von:
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Original beim Datenpartner anzeigen

Beteiligte

  • Rostoll‐Berenguer, Jaume
  • Sierra‐Molero, Francisco J.
  • Blay, Gonzalo
  • Pedro, José R.
  • Vila, Carlos

Ähnliche Objekte (12)

Catalytic Nucleophilic and Electrophilic Functionalization of Dihydroquinoxalin‐2‐ones

Catalytic Nucleophilic and Electrophilic Functionalization of Dihydroquinoxalin‐2‐ones

DABCO-promoted photocatalytic C–H functionalization of aldehydes

DABCO-promoted photocatalytic C–H functionalization of aldehydes

Photocatalytic Decarboxylative Functionalization of Cyclopropenes via Cyclopropenium Cation Intermediates

Photocatalytic Decarboxylative Functionalization of Cyclopropenes via Cyclopropenium Cation Intermediates

Photocatalytic Decarboxylative Functionalization of Cyclopropenes via Cyclopropenium Cation Intermediates

Photocatalytic Decarboxylative Functionalization of Cyclopropenes via Cyclopropenium Cation Intermediates

Photocatalytic Functionalization of Dehydroalanine‐Derived Peptides in Batch and Flow

Photocatalytic Functionalization of Dehydroalanine‐Derived Peptides in Batch and Flow

Photocatalytic Functionalization of Dehydroalanine‐Derived Peptides in Batch and Flow

Photocatalytic Functionalization of Dehydroalanine‐Derived Peptides in Batch and Flow

Site-selective photocatalytic functionalization of peptides and proteins at selenocysteine

Site-selective photocatalytic functionalization of peptides and proteins at selenocysteine

Photocatalytic sequential C–H functionalization expediting acetoxymalonylation of imidazo heterocycles

Photocatalytic sequential C–H functionalization expediting acetoxymalonylation of imidazo heterocycles

Photocatalytic Functionalization of Alkenes with a Metal–Organic Layer Containing Eosin Y and Iron

Photocatalytic Functionalization of Alkenes with a Metal–Organic Layer Containing Eosin Y and Iron

Artificial photosynthesis: functionalization of vesicles as support for photocatalytic hydrogen production

Hochschulschrift

Artificial photosynthesis: functionalization of vesicles as support for photocatalytic hydrogen production

Photocatalytic C–H Alkylation of Quinoxalin-2-ones on a Covalent Organic Framework

Photocatalytic C–H Alkylation of Quinoxalin-2-ones on a Covalent Organic Framework

Novel photocatalytic methods for the (de)functionalization of benzylic and organosilicon compounds

Hochschulschrift

Novel photocatalytic methods for the (de)functionalization of benzylic and organosilicon compounds

Verbundene Objekte