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Table 1 1H NMR (600 MHz) and 13C NMR (150 MHz) results for silylated HOBB in DMSO-d 6

From: 2-Hydroxy-4-(3′-oxo-3′H-benzofuran-2′-yliden)but-2-enoic acid biosynthesis from dibenzofuran using lateral dioxygenation in a Pseudomonas putida strain B6-2 (DSM 28064)

δ (ppm) Proton assignment J (Hz) δ (ppm) Carbon assignment
6.468 H-9, d 3J = 12.2 106.32 C-10
6.698 H-10, d 3J = 12.2 112.26 C-9
7.065 H-4, t 3J = 7.4 113.91 C-2
7.231 H-2, d 3J = 8.2 122.32 C-6
7.518 H-3, t 3J = 7.4 124.81 C-4
7.543 H-5, d 3J = 7.3 125.07 C-3
    138.54 C-5
    147.69 C-8
    148.76 C-11
    163.92 C-12
    165.82 C-1
    183.42 C-7