Table 2.

Optimization of the Denitration Step^a

Entry	Solvent	H2 (atm)	Additive (equiv)	T (°C)	Time (h)	Yield (%)
1	EtOH	10.2	–	85	4.5 h	57
2	EtOH	10.2	–	rt	4.5 h	trace
3b	EtOH	1	–	85	4.5 h	trace
4b	EtOH	10.2	–	85	24 h	54
5	PhMe	10.2	–	85	4.5 h	54
6	PhMe	10.2	AcOH (1.0)	85	4.5 h	70
7	PhMe	10.2	AcOH (2.0)	85	4.5 h	26

^aReactions were performed on a 0.25 mmol scale. All yields correspond to isolated yields.

^bReaction was performed on a 0.15 mmol scale.