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PhF behaves rather differently from other halobenzene derivatives owing to the pi-donor properties of fluoride. For example, the para position is more activated than benzene toward electrophiles. For this reason, it can be converted to 1-bromo-4-fluorobenzene with relatively high efficiency. [3]
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Halobenzene may also refer to any of the monosubstituted halobenzenes: Fluorobenzene; Chlorobenzene; ... This page was last edited on 30 March 2024, at 22:29 (UTC).
Halobenzene derivatives (4 C, 1 P) Halobenzenes (5 C, 1 P) I. Iodobenzene compounds (2 C) ... This page was last edited on 1 February 2024, at 18:51 (UTC).
Pages in category "Halobenzene derivatives" This category contains only the following page. ... This page was last edited on 12 February 2024, at 03:00 (UTC).
The following is the reaction mechanism of a nucleophilic aromatic substitution of 2,4-dinitrochlorobenzene (1) in a basic solution in water.. Nucleophilic aromatic substitution
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For example, 2,4-dinitrochlorobenzene reacts in basic solution to give a phenol. Unlike in most other substitution reactions, fluoride is the best leaving group, and iodide the worst. [ 16 ] A 2018 paper indicates that this situation may actually be rather common, occurring in systems that were previously assumed to proceed via S N Ar mechanisms.