A type of chemical reaction where a nucleophile attacks an electrophilic center to form a new chemical bond.
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4-[(3-Chlorophenyl)carbonyl]benzonitrile
(2R,5R)-5-hydroxy-2-phenyl-3-oxa-1-azabicyclo[3.3.0]octan-8-one
N-Tosyl-amino-diphenylphosphin