Reduction of oxazines

Table 10 Formation and reduction of oxazin-3-ones as in Scheme 42...

Figure 7 Photosensitized reduction of oxazine dye using humic acid as sensitizer. The transient absorption spectrum was recorded following 532-nm laser pulse excitation of humic acid containing the dye and 1102.

Vinodgopal, K. Environmental photochemistry Electron transfer from excited humic acid to Ti02 colloids and semiconductor mediated reduction of oxazine dyes by humic acid, Res. Chem. Intermed. 1994, 20, 825. 

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