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bromohydrins: See halohydrins.

bromonium ions:* See under halonium ions.


Amines substituted at nitrogen with one or two chlorine atoms (a contracted form of N-chloroamines).


Compounds consisting wholly of chlorine and carbon.

chlorohydrins: See halohydrins.

chloronium ions: See halonium ions.


Compounds having the (halomethyl)oxirane skeleton:


Compounds consisting wholly of fluorine and carbon.

fluorohydrins: See under halohydrins.

halirenium ions:

Cyclic cations having the structure X = F, Cl, Br, I


Trihalomethanes CHX3.


A traditional term for alcohols substituted by a halogen atom at a saturated carbon atom otherwise bearing only hydrogen or hydrocarbyl groups (usually used to mean [beta]-halo alcohols). E.g. BrCH2CH2OH 'ethylene bromohydrin' (2-bromoethanol), ClCH2CH2CH2OH 'trimethylene chlorohydrin' (3-chloropropan-1-ol), PhCH(OH)CH2Cl 'styrene chlorohydrin' (2-chloro-1-phenylethanol).

halonium ions: *

Ions of the form R2X+, where X is any halogen (X = Br+, bromonium ions; X = Cl+, chloronium ions; X = F+, fluoronium ions; X = I+, iodonium ions). They may be open-chain or cyclic. GNOC Recom. R-5.8.2. E.g.

iodohydrins: See halohydrins.

iodonium ions:* See under halonium ions.

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