TY - JOUR
T1 - Catalytic control of electron-transfer processes
AU - Fukuzumi, Shunichi
N1 - Funding Information:
The authors gratefully acknowledges the contributions of their collaborators and coworkers mentioned in the references. The authors acknowledge continuous support of their study by a Grant-in-Aid from the Ministry of Education, Science, Culture, and Sports, Japan.
PY - 2003/5/1
Y1 - 2003/5/1
N2 - Catalytic control of electron-transfer processes is described for a number of photo-induced and thermal electron-transfer reactions, including back electron transfer in the charge-separated state of artificial photosynthetic compounds. The intermolecular and intramolecular electron-transfer processes are accelerated by complexation of radical anions, produced in the electron transfer, with metal ions that act as Lewis acids. Quantitative measures to determine the Lewis acidity of a variety of metal ions are given in relation with the promoting effects of metal ions in the electron-transfer reactions. The mechanistic viability of metal ion catalysis in electron- transfer reactions is demonstrated by a variety of examples of both thermal and photochemical reactions that involve metal ion-promoted electron-transfer processes as the rate-determining steps, which are made possible to proceed by complexation of radical anions with metal ions.
AB - Catalytic control of electron-transfer processes is described for a number of photo-induced and thermal electron-transfer reactions, including back electron transfer in the charge-separated state of artificial photosynthetic compounds. The intermolecular and intramolecular electron-transfer processes are accelerated by complexation of radical anions, produced in the electron transfer, with metal ions that act as Lewis acids. Quantitative measures to determine the Lewis acidity of a variety of metal ions are given in relation with the promoting effects of metal ions in the electron-transfer reactions. The mechanistic viability of metal ion catalysis in electron- transfer reactions is demonstrated by a variety of examples of both thermal and photochemical reactions that involve metal ion-promoted electron-transfer processes as the rate-determining steps, which are made possible to proceed by complexation of radical anions with metal ions.
UR - http://www.scopus.com/inward/record.url?scp=0038193973&partnerID=8YFLogxK
U2 - 10.1351/pac200375050577
DO - 10.1351/pac200375050577
M3 - Article
AN - SCOPUS:0038193973
SN - 0033-4545
VL - 75
SP - 577
EP - 587
JO - Pure and Applied Chemistry
JF - Pure and Applied Chemistry
IS - 5
ER -