SEARCH Articles Figures Tables ADDITION OF NITROGEN COMPOUNDS TO ALDEHYDES AND KETONES Addition of Carbon, Oxygen, Nitrogen, and Sulfur Nucleophiles Addition of Oxygen and Nitrogen Nucleophiles Addition of nitrogen atoms to double and triple bonds And nitrogen, addition double bonds Nitrogen addition Reduction and Addition at Carbon-Nitrogen Double Bonds Saturated bicyclic 6/5 ring-fused systems with bridgehead nitrogen and a single additional