Table 2.

Scope of AlOOH-U2 for catalytic hydrogenation of alkenes and alkynes ^a.

Entry	Substrate	Product	Temp./°C	Time /h	Pressure /MPa	Conv./%	Sel./%
1b			80	10	2	100	>99
2			80	10	2	92.8	>99
3			80	10	2	100	>99
4			80	10	2	37.0	>99
5			80	10	2	82.9	>99
6			100	24	2	2.3	>99
7			80	24	3	100	2.6 97.4
8			80	24	3	100	64.9 35.1
9b			80	24	3	92.5	80 20
10			80	24	3	92.0	53.8 46.1
11			80	24	3	92.2	92.4 7.6

^a Reaction conditions: substrate (0.2 mmol), THF (2 mL), AlOOH-U2 catalyst (50 mg), stirring speed (600 rpm); the substrate conversion and product selectivity were determined by GC with n-decane as internal standard

^b n-Dodecane as internal standard.