- In the
nomenclature of
organic chemistry, a
locant is a term to
indicate the
position of a
functional group or
substituent within a molecule. The International...
-
skipped if they do not apply. Has the lowest-numbered
locant (or
locants) for heteroatoms.
Locants are the
numbers on the
carbons to
which the substituent...
-
recommendations of the IUPAC.
Stereodescriptors are
often used in
combination with
locants to
clearly identify a
chemical structure unambiguously. The descriptors...
-
indicated by a
numerical locant immediately preceding the "-yne" suffix, or
locants in the case of
multiple triple bonds.
Locants are
chosen to be as low...
- terminology, n (or ω)
represents the
locant of the
methyl end of the molecule,
while the
number n−x (or ω−x)
refers to the
locant of its
nearest double bond. Thus...
-
coefficients of a set of
linear equations (see Cramer's rule). That an ****ociated
locant number represents the
location of a
covalent bond in an
organic compound...
- Δ4-androstene-3,11,17-trione). However, the
Nomenclature of
Steroids recommends the
locant of a
double bond to be
always adjacent to the
syllable designating the unsaturation...
-
three carbon atoms, the
preferred IUPAC name is 2-methylpropane but the
locant (2-) is
typically omitted in
general nomenclature as redundant; C2 is the...
- tetranor,
etcetera is used. The
prefix is
preceded by the
position number (
locant) of the
carbon atoms that
disappear (for
example 2,3-dinor). The original...
- order: {[( )]}.
Locants indicate the
position of
structural features, e.g., poly(4-chlorostyrene). If the name is one word and has no
locants, then the enclosing...
