• Powerful acylation catalyst: Synthesis, 619 (1972); Tetrahedron, 34, 2069 (1978).
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Compare 4-(Dimethylamino)pyridine, A13016. For reviews of acylation under hypernucleophilic catalysis, see: Angew. Chem. Int. Ed., 17, 569 (1978); Chem. Soc. Rev., 12, 129 (1983).