... Page 4. HELVETICA CHIMICA ACTA - Vol. 66, F ax . ... 5 ca. 95 92 89 87 82 78 66 50 23 9 97 96 89 87 75 ca. 50 19 ca. 10 ... (51 D. Martin & H. G. Hauihal, ccDirnethylsulfoxid)), Berlin 197 1, S. 147. [6] C. Reichardi, 'Solvent Effects in Organic Chemistry', Weinheim 1979, S. 159 ff. ...