... Ferenc Gyenes, Suzanne T. Purrington,* and Yan-Song Liu Department of Chemistry, North Carolina State ... phase was washed with another 10 mL of methylene chloride, and the combined organic layers were ... J ) 87.9, 32.1 Hz), -124.2 (ddt, J ) 115, 86.8, 4.8 Hz), -172.7 (m). Anal ...