NMR spectroscopic data for 1-hydroxyphenazine and the enzymatic product 3 (structure see Figure 5).

NMR spectra were recorded in acetone-d6 (δ in ppm, J in Hz). The corresponding 13C and 1H NMR spectra are depicted in Figure S1 and Figure S2, respectively.aRecorded at 400 MHz. bMeasured values were in good agreement with published NMR data for 1-hydroxy- or 1-methoxy-phenazine [20], [52]. cRecorded at 101 MHz. dMultiplicity determined by a multiplicity edited 1H-13C HSQC NMR experiment. eRecorded at 600 MHz. fRecorded at 151 MHz. gProtons showing long-range correlation with indicated carbon. h,i,jAssignments interchangeable.