Table 2 Solvent effect on lignin degradationa

From: Hydrogenative degradation of PEG-functionalized lignin

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Entry

Solvent

Yield (1 + 2 + 3, μmol)b

Yield (μmol)b

Weight (mg)c

1

biphenyl (entry 5 Table 1)

2.4 (2.0%)

1.0

0.5

0.9

30.0

2

ODCB (50 μL)

1.6 (1.3%)

1.0

0.4

0.2

41.1

3

ODCB (100 μL)

1.0 (0.8%)

0.3

0.5

0.3

26.2

4

PEG-300 (50 μL)

3.7 (3.1%)

2.2

0.6

0.9

trace

  1. aReaction conditions: PEG-modified lignin (50 mg), complex D (12 μmol), H2 (1 atm.), 200 °C
  2. bThe yields were determined by GC analyses using 1,1,2,2-tetrachloroethane as an internal standard
  3. cWeight of insoluble material
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