Jaroslav Kramar

Ring tension, hydrocarbon acidity, and new super-bases (1986)

Schlosser, Manfred, Hartmann, Juergen, Staehle, Manfred, Kramar, Jaroslav, Walde, Annelies, Mordini, Alessandro

Addn. of di-Na pinacolate or KOCMe3 increased the transmetalating power of pentylsodium in alkane solvents. Some hydrocarbons thus metalated were Me3CCH:CH2, camphene, bicyclo[2.2.2]octene,...

Acidity enhancement through homoconjugation: selective introduction of sodium into olefinic positions (1985)

Staehle, Manfred, Lehmann, Ruth, Kramar, Jaroslav, Schlosser, Manfred

When treated with BuLi and Me3CONa, both norbornadiene and norbornene underwent a H/Na-exchange at the 2-position. The diene, however, reacted approx. 30 times faster with Me3SiCl....