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. Author manuscript; available in PMC: 2011 Apr 12.
Published in final edited form as: Tetrahedron. 2009 Aug 22;65(34):3771–6803. doi: 10.1016/j.tet.2009.05.079

Table 3.4.

A trans-selective β-lactone reaction.

graphic file with name nihms-194367-t0030.jpg

Entry R Ar ee (%) dr Yield (%)
1 Me Ph 92 91:9 75
2 Me p-NO2-Ph 96 91:9 82
3 Me p-CN-Ph 99 92:8 80
4 Et p-CN-Ph 99 95:5 80