Preparation of Mesoporous Silica-Supported Chiral Amino Alcohols for the Enantioselective Addition of Diethylzinc to Aldehyde and Asymmetric Transfer Hydrogenation to Ketones

Table 1

Structural characteristics of MCM-48-supported chiral amino alcohols 2.

Sample	Surface area	Pore diameter	Pore volume	Loading amount
MCM-48	1250 m^2/g	3.15 nm	0.71 cm^3/g	—
2a	758 m^2/g	2.65 nm	0.50 cm^3/g	0.47 mmol/g
2b	767 m^2/g	2.72 nm	0.54 cm^3/g	0.50 mmol/g
2c	794 m^2/g	3.11 nm	0.61 cm^3/g	0.45 mmol/g