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)

Bioresources and Bioprocessing

Table 1 ¹H NMR (600 MHz) and ¹³C NMR (150 MHz) results for silylated HOBB in DMSO-d₆

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