... F.; Pineau, Ph.; Queguiner, G. Poster Communication, 12th European Congress of Heterocyclic Chemistry, Reiis, France ... Drying of the combined organic extracta (MgS04) and solvent removal under vacuum afforded a crude oil ... H, 3-H, J3-F = 3 Hz), 7.40 (dd, 1 H, 5-H, J ~ F = 1.5 ...