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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 3.10.

β-Lactones via dimerization/reduction.

graphic file with name nihms-194367-t0036.jpg

Entry R Yield (%), step 1 Yield (%), step 2 ee (%)
1 n-Bu 75 90 96
2 Cyclopentyl-CH2 54 89 94
3 Cyclohexyl-CH2 55 89 90
4 Bn 48 85 96
5 MeO2CCH2 60 94 92