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Visible‐Light‐Responsive Multielectron Redox Catalysis of Lacunary Polyoxometalates Induced by Substrate Coordination to Their Lacuna
Author(s) -
Suzuki Kosuke,
Jeong Jinu,
Yamaguchi Kazuya,
Mizuno Noritaka
Publication year - 2015
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201403072
Subject(s) - lacunary function , polyoxometalate , chemistry , alcohol oxidation , photochemistry , catalysis , redox , photoredox catalysis , visible spectrum , alcohol , substrate (aquarium) , photocatalysis , electron transfer , coordination complex , combinatorial chemistry , inorganic chemistry , organic chemistry , metal , materials science , oceanography , mathematics , optoelectronics , pure mathematics , geology
Abstract We describe herein the efficient visible‐light‐responsive polyoxometalate‐based multielectron photoredox catalysis induced by in situ coordination of alcohols to the lacuna of TBA 4 H 4 [γ‐SiW 10 O 36 ] ( I , TBA=tetra‐ n ‐butylammonium). The coordination of alcohols to the lacuna of I generated a new highest occupied molecular orbital as the electron donor level and enabled the visible‐light‐responsive multielectron transfer from alcohols to I , which could be utilized for aerobic alcohol oxidation and one‐pot synthesis of N ‐arylimines starting from nitroarenes and primary alcohols.