Burgi-Dunitz 1973 nucleophilic attack on carbonyl proceeds at 107 +/- 5 deg from C=O bond axis (not 90 deg as classically expected); explains Baldwin rules + stereoselectivity; X-ray crystallography evidence.
Burgi-Dunitz 1973 nucleophilic attack on carbonyl proceeds at 107 +/- 5 deg from C=O bond axis (not 90 deg as classically expected); explains Baldwin rules + stereoselectivity; X-ray crystallography evidence.