substituent

(redirected from Substituent group)
Also found in: Dictionary, Medical.

substituent

[səb′stich·ə·wənt]
(organic chemistry)
An atom or functional group substituted for another in a chemical structure.
References in periodicals archive ?
To improve permselectivity and membrane-forming ability of PDMS, we have prepared a new cross-linked hybrid membrane containing fluorine resulted from a fluorine-containing silicone resin substituent group, vinyl group, and inorganic framework.
Typical substituent groups include methyl, phenyl and trifluoropropyl.
Solubility is dependent on the substituent groups present on the barbituric acid.
Notably, the type and location of substituent groups on the phenoxymethyl units can result in moderate effect on the position of these charcteristic peaks.
Of these, says Rozek, seven are tetrasubstituted, which means they have four substituent groups attached to the same carbon atom.
5 to 20 mol% para-methylstyrene in which up to 60 mol% of the methyl substituent groups are bromine or chlorine atoms.
The inhibitory effects of these HAQs might be related with the type and number of substituent groups on the molecular structure, and the stability and solubility of the particular compound.
The clusters without substituent groups were found to have quite modest acidity, both systems staying above 300 kcal/mol.
Further tests were run to oxidize the substituent groups on the Pc without changing the entire structure of the Pc.
Researchers showed that anionic substituent groups can be converted into silver salts that withstand washing.