- fluorine, chlorine, bromine, and
iodine are
called fluoronium, chloronium,
bromonium, and iodonium, respectively. The 3-membered
cyclic variety commonly proposed...
- three-membered
bromonium ion The
alkene is
working as an
electron donor and
bromine as an electrophile. The three-membered
bromonium ion 2 consisted...
- a
positive formal charge. At this
moment the
halogen ion is
called a "
bromonium ion" or "chloronium ion", respectively. When the
first bromine atom attacks...
-
Structure of a
bromonium ion...
-
bromide dissolved in methanol. The
reaction involves the
formation of a
bromonium intermediate as follows: Then the
unused bromine is
reduced to bromide...
- N-bromosuccinimide (NBS), is
determined by the
formation of a
bromonium intermediate; the
electrophilic bromonium cation approaches the ring's less
sterically hindered...
-
Hydronium [H3O]+
Sulfonium [H3S]+
Fluoronium [H2F]+
Chloronium [H2Cl]+
Bromonium [H2Br]+
Iodonium [H2I]+
Carbonium [CH5]+
Trihydrogen cation [H3]+ Related...
- in 50%
aqueous DMSO, DME, THF, or tert-butanol at 0 °C.
Formation of a
bromonium ion and
immediate attack by
water gives strong Markovnikov addition and...
- produced. The
reaction p****es
through a short-lived
strongly electrophilic bromonium intermediate. This is an
example of a
halogen addition reaction. Bromine...
- meso-stilbene dibromide), in line with a
mechanism involving a
cyclic bromonium ion
intermediate of a
typical electrophilic bromine addition reaction;...
