High-and low-potential flavin mimics. 2. 3, 7, 10-Trimethyl-(1H, 3H, 5H, 7H, 9H, 10H)-pyrimido [5, 4-g] pteridine-2, 4, 6, 8-tetrone dianion reduction of carbonyl, …
EB Skibo, TC Bruice
Index: Skibo, Edward B.; Bruice, Thomas C. Journal of the American Chemical Society, 1983 , vol. 105, # 10 p. 3316 - 3328
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Citation Number: 10
Abstract
Abstract: 3, 7, 10-Trimethyl-(3H, 7H, 9H, 1OH)-pyrimido [5, 4-g] pteridine-2, 4, 6, 8-tetrone (PPT,,) and its conjugate base (PPT,;) undergo two-electron reduction to yield 3, 7, 10- trimethyl-(1 H, 3H, 5H, 7H, 9H, lOH)-pyrimid0 [5, 4-g] pteridine-2, 4, 6, 8-tetrone (PPTH,) and its dianion (PPT2-)(Scheme I). The two-electron redox potential Eo'is 150 mV more negative than that of the corresponding 3-methyllumiflavin (Flax)/1, 5-dihydro-3-methyIlumiflavin ( ...
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