... The combined organic layers were washed with saturated aqueous NaCl, dried (MgSOd), and concentrated in vacuo to ... B), 3.2-3.4 (m, 2.8 H), 3.1 (m, 2 H), 2.86 (dd, J = 13.4, 9.2 Hz, 0.8 ... on microfiche, immediately follows this article in the microfilm version of the journal, and can ...