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Publikováno v:
Journal of the American Chemical Society. 120:10350-10358
Commercially available 5-methoxysalicylic acid 16 was converted into the o-quinone monoketal 21, which was attached to the enediyne 22, resulting in 23. After protection of the tert-alcohol 24 and conversion of the ester 25 to aldehyde 28, treatment
Autor:
Armando Lopez, José A. Dobado, José F. Quílez del Moral, M. Mar Herrador, Alejandro F. Barrero, Victoriano Domingo, Horacio R. Dieguez, Jesús F. Arteaga
Publikováno v:
Journal of the American Chemical Society. 132(1)
Investigations detailed herein, including density functional theory (DFT) calculations, demonstrate that the formation of either alkoxy- or hydroxy-Ti(III) complexes considerably decreases the energy of activation for C-O bond homolysis. As a consequ