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Assembling Phenothiazine into a Porous Coordination Cage to Improve Its Photocatalytic Efficiency for Organic Transformations

Journal Article · · Angewandte Chemie (International Edition)
Abstract

Photo‐catalysis by small‐molecules is often limited by catalyst degradation and low electron‐transfer efficiency. Herein we report a stable N‐phenyl‐phenothiazine (PTH)‐derived porous coordination cage (PCC) as a highly efficient photocatalyst. By the incorporation of the photocatalytic PTH moiety into a PCC, aggregation‐induced quenching (AIQ) was shown to be reduced. An improvement in catalyst stability was discovered, ascribed to the synergistic effects of the PTH moieties. The catalyst, operating through a photolytic single‐electron transfer, was utilized for photo‐catalyzed dehalogenation and borylation. Evaluation of the catalytic mechanism in the borylation reaction showed that the improved performance results from the more efficient formation of the electron donor‐acceptor (EDA) complex with the cage. This discovery provides a potential strategy to improve the photophysical properties and stabilities of small‐molecule organic photocatalysts via supramolecular chemistry.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
OSTI ID:
2422644
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 49 Vol. 61; ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English

References (58)

Selective Monoterpene-like Cyclization Reactions Achieved by Water Exclusion from Reactive Intermediates in a Supramolecular Catalyst journal October 2012
Permanently Microporous Metal–Organic Polyhedra journal June 2020
Self‐Assembly of Highly Stable Zirconium(IV) Coordination Cages with Aggregation Induced Emission Molecular Rotors for Live‐Cell Imaging journal January 2020
Acid Catalysis in Basic Solution: A Supramolecular Host Promotes Orthoformate Hydrolysis journal April 2007
Pillared Metal–Organic Framework Initiating Intermolecular Atom-Transfer Radical Addition via Visible-Light-Induced Electron Transfer Activation of Haloalkanes journal July 2021
Regio- and Enantioselective Photodimerization within the Confined Space of a Homochiral Ruthenium/Palladium Heterometallic Coordination Cage journal March 2017
Dimethyl Dihydroacridines as Photocatalysts in Organocatalyzed Atom Transfer Radical Polymerization of Acrylate Monomers journal January 2020
Cu 3 L 2 metal–organic cages for A 3 -coupling reactions: reversible coordination interaction triggered homogeneous catalysis and heterogeneous recovery journal January 2018
Supramolecular Catalysis of Unimolecular Rearrangements:  Substrate Scope and Mechanistic Insights journal August 2006
Catalytic reactions within the cavity of coordination cages journal January 2019
Highly efficient catalysis of the Kemp elimination in the cavity of a cubic coordination cage journal February 2016
Manipulating solvent and solubility in the synthesis, activation, and modification of permanently porous coordination cages journal March 2021
CsCu2I3 Nanoparticles Incorporated within a Mesoporous Metal–Organic Porphyrin Framework as a Catalyst for One-Pot Click Cycloaddition and Oxidation/Knoevenagel Tandem Reaction journal August 2022
Self-Healing Hyper-Cross-Linked Metal–Organic Polyhedra (HCMOPs) Membranes with Antimicrobial Activity and Highly Selective Separation Properties journal July 2019
Visible Light Photoredox Catalysis with Transition Metal Complexes: Applications in Organic Synthesis journal March 2013
Structure–Property Relationships for Tailoring Phenoxazines as Reducing Photoredox Catalysts journal March 2018
Self-Assembly of Imidazolium-Functionalized Zr-Based Metal–Organic Polyhedra for Catalytic Conversion of CO2 into Cyclic Carbonates journal July 2020
A photoactive basket-like metal–organic tetragon worked as an enzymatic molecular flask for light driven H 2 production journal January 2013
Dimethyl Dihydroacridines as Photocatalysts in Organocatalyzed Atom Transfer Radical Polymerization of Acrylate Monomers journal January 2020
Photoredox Activation for the Direct  -Arylation of Ketones and Aldehydes journal March 2013
Aza Cope Rearrangement of Propargyl Enammonium Cations Catalyzed By a Self-Assembled “Nanozyme” journal August 2008
Palladium‐Catalyzed Borylation of Aryl Chlorides: Scope, Applications, and Computational Studies journal July 2007
Two Zirconium Metal–Organic Cages with S4 and D2d Symmetry: Construction and Detection of Antibiotics journal March 2022
Self-Assembly of a Confined Rhodium Catalyst for Asymmetric Hydroformylation of Unfunctionalized Internal Alkenes journal February 2012
Catalytic Defluoroalkylation of Trifluoromethylaromatics with Unactivated Alkenes journal December 2017
Noncovalent Tailoring of the Binding Pocket of Self-Assembled Cages by Remote Bulky Ancillary Groups journal December 2012
Trifluoromethylation of arenes and heteroarenes by means of photoredox catalysis journal December 2011
A Rational Approach to Organo‐Photocatalysis: Novel Designs and Structure‐Property Relationships journal October 2020
The rise of metal–organic polyhedra journal January 2021
Photoinduced Borylation for the Synthesis of Organoboron Compounds journal February 2021
Palladium‐Catalyzed Borylation of Aryl Chlorides: Scope, Applications, and Computational Studies journal July 2007
A highly reducing metal-free photoredox catalyst: design and application in radical dehalogenations journal January 2015
A Rational Approach to Organo‐Photocatalysis: Novel Designs and Structure‐Property Relationships journal October 2020
Organocatalyzed atom transfer radical polymerization driven by visible light journal March 2016
Metal-Organic Cages (MOCs): From Discrete to Cage-based Extended Architectures journal January 2020
Photoinduced Organocatalyzed Atom Transfer Radical Polymerization Using Continuous Flow journal March 2017
Visible-Light Photoredox Borylation of Aryl Halides and Subsequent Aerobic Oxidative Hydroxylation journal September 2016
Porous Zr 6 L 3 Metallocage with Synergetic Binding Centers for CO 2 journal February 2018
One-Pot Dual Catalysis of a Photoactive Coordination Polymer and Palladium Acetate for the Highly Efficient Cross-Coupling Reaction via Interfacial Electron Transfer journal January 2022
Self‐Assembly of Highly Stable Zirconium(IV) Coordination Cages with Aggregation Induced Emission Molecular Rotors for Live‐Cell Imaging journal January 2020
The effect of host structure on the selectivity and mechanism of supramolecular catalysis of Prins cyclizations journal January 2015
Regio- and Enantioselective Photodimerization within the Confined Space of a Homochiral Ruthenium/Palladium Heterometallic Coordination Cage journal March 2017
Switching on Supramolecular Catalysis via Cavity Mediation and Electrostatic Regulation journal September 2016
Diels-Alder in Aqueous Molecular Hosts: Unusual Regioselectivity and Efficient Catalysis journal April 2006
In Situ Construction of a Coordination Zirconocene Tetrahedron journal November 2013
Absorption and emission spectroscopic characterization of Ir(ppy)3 journal January 2005
Organic Photoredox Catalysis journal June 2016
Promoting visible-light-driven hydrogen production of a zirconium-based metal-organic polyhedron decorated by platinum nanoparticles with different spatial locations journal April 2020
Self-assembled metal–organic polyhedra: An overview of various applications journal January 2016
Switching on Supramolecular Catalysis via Cavity Mediation and Electrostatic Regulation journal September 2016
Bimolecular proximity of a ruthenium complex and methylene blue within an anionic porous coordination cage for enhancing photocatalytic activity journal January 2019
Naphthalene Diels−Alder in a Self-Assembled Molecular Flask journal March 2010
Selective CH Bond Activation by a Supramolecular Host–Guest Assembly journal February 2004
Self-assembly of nanoscale cuboctahedra by coordination chemistry journal April 1999
Design and Assembly of Chiral Coordination Cages for Asymmetric Sequential Reactions journal January 2018
Metal-free photoredox-catalysed formal C–H/C–H coupling of arenes enabled by interrupted Pummerer activation journal January 2020
Metal-Free Atom Transfer Radical Polymerization journal October 2014
Permeable Self-Assembled Molecular Containers for Catalyst Isolation Enabling Two-Step Cascade Reactions journal April 2017

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