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. Author manuscript; available in PMC: 2009 Jan 28.
Published in final edited form as: J Am Chem Soc. 2007 Mar 16;129(14):4124–4125. doi: 10.1021/ja069245n

Table 1.

Identification of Reaction Conditions a

graphic file with name nihms-63734-t0003.jpg
Ent Catalyst, mol% Time, h Yld, %b ee, %c
1 None 24 79 -
2 Pyrrolidine (100) 1 61 -
3 10a (100) 1 63 76
4 10a (20) 1 78 64
5 10b (20) 1 87 80
6 L-Proline (20) 1 71 -3
a

For reaction conditions, see Supporting Information.

b

Isolated yield.

c

Determined by chiral HPLC.