Product Details of 1116-98-9. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: tert-Butyl 2-cyanoacetate, is researched, Molecular C7H11NO2, CAS is 1116-98-9, about An enantioconvergent halogenophilic nucleophilic substitution (SN2X) reaction. Author is Zhang, Xin; Ren, Jingyun; Tan, Siu Min; Tan, Davin; Lee, Richmond; Tan, Choon-Hong.
Bimol. nucleophilic substitution (SN2) plays a central role in organic chem. In the conventionally accepted mechanism, the nucleophile displaces a carbon-bound leaving group X, often a halogen, by attacking the carbon face opposite the C-X bond. A less common variant, the halogenophilic SN2X reaction, involves initial nucleophilic attack of the X group from the front and as such is less sensitive to backside steric hindrance. Herein, we report an enantioconvergent substitution reaction of activated tertiary bromides by thiocarboxylates or azides that, on the basis of exptl. and computational mechanistic studies, appears to proceed via the unusual SN2X pathway. The proposed electrophilic intermediates, benzoylsulfenyl bromide and bromine azide, were independently synthesized and shown to be effective.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem