After complete conversion of 1 (1 mL of a 100 mM solution incubated 20 min with 0.02 U lignin peroxidase) the product mixture was analyzed by reversed phase HPLC on an analytical column using an elution gradient. The samples were applied directly to the column in order to prevent artifacts.['] The analysis showed that a number of nonpolar products were formed (net retention volume of 1: 2.9 mL; net retention volume of the ...