- In
organic chemistry, a
substituent is one or a
group of
atoms that
replaces (one or more) atoms,
thereby becoming a
moiety in the
resultant (new) molecule...
-
benzoic acid
derivatives with meta- and para-
substituents to each
other with just two parameters: a
substituent constant and a
reaction constant. This equation...
- chemistry, the
mesomeric effect (or
resonance effect) is a
property of
substituents or
functional groups in a
chemical compound. It is
defined as the polarity...
- and are of
occasional importance in
pharmaceutical design. When the
substituents are achiral,
these conformers are
enantiomers (atropoenantiomers), showing...
- In
organic chemistry, an aryl is any
functional group or
substituent derived from an
aromatic ring,
usually an
aromatic hydrocarbon, such as
phenyl and...
-
position of
substituents other than
hydrogen in
relation to each
other on an
aromatic hydrocarbon. In ortho-substitution, two
substituents occupy positions...
- In
electrophilic aromatic substitution reactions,
existing substituent groups on the
aromatic ring
influence the
overall reaction rate or have a directing...
- an
organyl group (commonly
denoted by the
letter "R") is an
organic substituent with one (sometimes more) free valence(-s) at a
carbon atom. The term...
- non-hydrogen
substituent on a
cyclohexane occupies the
axial position. This
axial substituent is in the
eclipsed position with the
axial substituents on the...
- {\displaystyle {K}_{0}} =
Reference constant σ {\displaystyle \sigma } =
Substituent constant ρ {\displaystyle \rho } =
Reaction rate
constant EWGs enhance...
