A correlation between 13C and 59Co NMR data and the catalytic activity of organocobalt complexes in the synthesis of pyridine derivatives

The correlation between the ¹³C and ⁵⁹Co NMR spectra of substituted cyclopentadienylcobalt complexes and their catalytic properties in the synthesis of pyridine derivatives is examined. Since the correlations can be expressed as linear relationships, a direct screening of potential catalysts by NMR is possible.     

Total syntheses of (−)−2-deoxyfortamines

Starting from the now readily available dianhydro-deoxy($\text{epi}$)inositol (2) an efficient access to suitably protected (?)?2-deoxy-fortamines (10/11) has been worked out, in which the racemic epoxide intermediates (6) are cleanly separated via their R?(+)?1-phenylethylamine-adducts (8/9).