- In chemistry, a
heteroatom (from
Ancient Gr**** heteros 'different' and atomos 'uncut') is, strictly, any atom that is not
carbon or hydrogen. In practice...
- five
heteroatoms The
hypothetical chemical compound with five
nitrogen heteroatoms would be pentazine. Six-membered
rings with six
heteroatoms The hypothetical...
-
These reactions are used to form carbon–carbon
bonds but also carbon-
heteroatom bonds. Cross-coupling
reaction are a
subset of
coupling reactions. Richard...
- In chemistry, a
double bond is a
covalent bond
between two
atoms involving four
bonding electrons as
opposed to two in a
single bond.
Double bonds occur...
- (i.e. with "C"),
whereas heteroatoms are
always explicitly noted as such ("N" for nitrogen, "O" for oxygen, etc.)
Heteroatoms and
other groups of atoms...
-
atoms in
azoles starts with the
heteroatom that is not part of a
double bond, and then
proceeds towards the
other heteroatom.
Imidazole and
other five-membered...
-
whereby a carbon–carbon or carbon–
heteroatom single bond is
cleaved or
undergoes lysis (breakdown) by hydrogen. The
heteroatom may vary, but it
usually is oxygen...
- one prefix, if more than one type of
heteroatom is present; a
multiplicative prefix if
there are
several heteroatoms of the same type; and
locants to indicate...
- that
describes the
tendency of
heteroatomic substituents adjacent to the
heteroatom in the ring in, e.g.,
tetrahydropyran to
prefer the
axial orientation...
-
Bonding between carbon–carbon
Bonding between carbon–
heteroatom Bonding between heteroatom–
heteroatom Bond
formation between carbon atoms forms very thermodynamically...
