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5 Cards in this Set

  • Front
  • Back

Carbon in polarized double bonds


(E.g. quinones, a1, B-unsaturated ketones)

Sulfur in thiols


(E.g. cysteinyl residues in proteins and glutathione)

Carbon in epoxides, strained-ring lactones, aryl halides

Sulfur in methionine

Aryl carbonium ions

Nitrogen in primary and secondary amino groups of proteins


(E.g. lysine E-amino group)

Benzylic carbonium ions, nitrenium ions

Nitrogen in amino groups in purine bases in nucleic acids

Alkyl carbonium ions

Oxygen of purines and pyrimidines in nucleic acids


Phosphate oxygen in nucleic acids