1.1
Reagents:
Sodium hydroxide
,
Hydrogen
Catalysts:
Palladium
Solvents:
Methyl isobutyl ketone
,
Water
;
15 bar, rt; rt → 105 °C
1.2
3 h, 105 - 110 °C; 1 h, 20 bar, 105 - 110 °C

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