Entry	Cat.	Solvent	t/h	Yield^b/%
1	None	H₂O	12	-
2	MCM-41	H₂O	12	-
3	PW	H₂O	12	15
4	PM	H₂O	12	10
5	20 wt% PW/MCM-41	H₂O	12	25
6	50 wt% PW/MCM-41	H₂O	12	36
7	60 wt% PW/MCM-41	H₂O	12	36
8	70 wt% PW/MCM-41	H₂O	12	29
9	80 wt% PW/MCM-41	H₂O	12	30
10	50 wt% PM/MCM-41	H₂O	12	25
11	50 wt% PW/MCM-41	CH₂Cl₂	12	10
12	50 wt% PW/MCM-41	CH₃OH	12	trace
13	50 wt% PW/MCM-41	THF	12	79
14	50 wt% PW/MCM-41	Et₂O	12	76
15	50 wt% PW/MCM-41	toluene	12	-
16	50 wt% PW/MCM-41	AcOEt	12	-
17^c	50 wt% PW/MCM-41	THF	12	82
18^d	50 wt% PW/MCM-41	THF	12	86
19	50 wt% PW/MCM-41	THF	6	56
20	50 wt% PW/MCM-41	THF	24	87