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. Author manuscript; available in PMC: 2012 Feb 2.
Published in final edited form as: J Am Chem Soc. 2010 Dec 22;133(4):1141–1144. doi: 10.1021/ja1104156

Table 2.

Oxidation level dependent anti-diastereoselectivity in ruthenium catalyzed couplings of allene 1c.a

graphic file with name nihms260596u6.jpg
Entry Oxidation Level R Ligand Yield (dr)
1 Alcohol, 2a p-NO2Ph CyPPh2 (15 mol%) 5a, 83% (10:1)
2 Aldehyde, 6a p-NO2Ph CyPPh2(15 mol%) 5a, 99% (1:1)
3 Alcohol, 2c Ph dCypf (5 mol%) 5c, 99% (8:1)
4 Aldehyde, 6c Ph dCypf (5 mol%) 5c, 72% (1:1)
a

As described in Table 1.