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. Author manuscript; available in PMC: 2009 Dec 3.
Published in final edited form as: J Am Chem Soc. 2008 Dec 3;130(48):16358–16365. doi: 10.1021/ja807120z

Table 4.

C-Terminus Optimization

graphic file with name nihms86556t4.jpg
Entry R 3 (%) ee (%) Entry R 3 (%) ee (%)
1 8 OMe 62 65 5 12 graphic file with name nihms86556t5.jpg 76 67
2 9 graphic file with name nihms86556t6.jpg 61 68 6 13 graphic file with name nihms86556t7.jpg 71 79
3 10 graphic file with name nihms86556t8.jpg 60 70 7 14 graphic file with name nihms86556t9.jpg 82 64
4 11 graphic file with name nihms86556t10.jpg 68 69 8 4 graphic file with name nihms86556t11.jpg 89 84
a

All reactions were run at −30 °C in CHCl3 with 2.5 mol % catalyst loading.