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. Author manuscript; available in PMC: 2014 Mar 13.
Published in final edited form as: J Am Chem Soc. 2013 Feb 28;135(10):3796–3799. doi: 10.1021/ja400691t

Table 1.

Oxidative ruthenium catalyzed [4+2] cycloaddition of isoprene 4b with diols 1a-1h.a

graphic file with name nihms451182f3.jpg
a

Yields are of material isolated by silica gel chromatography.

b

PCy3 (12 mol%).

c

150 °C. See Supporting Information for further details and structural assignments.