Infrared spectral studies on the orienta
β
C.-Y. Chen; R.J.W. Le Fèvre
π
Article
π
1965
π
Elsevier Science
π
French
β 252 KB
In quinolizidine derivatives, infrared bands in the -1 2700-2800 cm region have been correlated with the presence of at least two g-hydrogen atoms oriented trans to the lone pair (1, 2, 3). c However a few exceptions e.g., 3-epialloyohimbone and 3-epialloyohimblne ( 4)] have already been reported. R