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. 2020 May 11;85(11):7413–7423. doi: 10.1021/acs.joc.0c00807

Table 3. Further Optimization of Hydrogenolysis Conditions.

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entry H2 pressure (bar) Pd/C loading (mol %) temp (°C) conversiond (%)
1a 6 7 40 97
2b 4 5 40 98
3b 4 2.5 40 99
4c 4 2.5 rt 59
a

Performed on a 63 μmol scale at a concentration of 0.17 M.

b

Performed on a 127 μmol scale at a concentration of 0.17 M.

c

Performed on a 0.3 mmol scale at a concentration of 0.1 M.

d

Conversions were determined by LCMS with reference to caffeine as an internal standard.