Table 1.

Effect of the amounts of NMI

Entry	NMI, mol %	Yield, %	ee, %
1*	—	Quant.	82
2	0	Quant.	5†
3	12	94	87
4	20	Quant.	90
5	30	89	89

Quant., quantitative.

^*The catalyst used was prepared without MS 5A.

^†ee of (S)-3a.