Zusammenfassung
Alkyl carbonates are split by two subsequent photochemical steps using Cu(I)Tp* (Tp* = hydrotris (3,5-dimethyl-1-pyrazolyl)borate) as photoredox agent: CO(OR)(2) + 2H(2)O + 2Cu(I)Tp*-> CO + Tp*Cu-II(mu-OH)(2)Cu(II)Tp* + 2ROH (1) Tp*Cu-II(mu-OH)(2)Cu(II)Tp*-> 2Cu(I)Tp* + H2O2(O-2) (2) It is suggested that this scheme provides a good model for the cleavage of CO2 to CO and oxygen representing a ...
Zusammenfassung
Alkyl carbonates are split by two subsequent photochemical steps using Cu(I)Tp* (Tp* = hydrotris (3,5-dimethyl-1-pyrazolyl)borate) as photoredox agent: CO(OR)(2) + 2H(2)O + 2Cu(I)Tp*-> CO + Tp*Cu-II(mu-OH)(2)Cu(II)Tp* + 2ROH (1) Tp*Cu-II(mu-OH)(2)Cu(II)Tp*-> 2Cu(I)Tp* + H2O2(O-2) (2) It is suggested that this scheme provides a good model for the cleavage of CO2 to CO and oxygen representing a rather simple type of artificial photosynthesis. Photoreactions 1 and 2 correspond to photosystems I and II of natural photosynthesis. (C) 2010 Elsevier B.V. All rights reserved.
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