Preferred Label : organometallic compounds;
IUPAC definition : Classically compounds having bonds between one or more metal atoms and one or more
carbon atoms of an organyl group. Organometallic compounds are classified by prefixing
the metal with organo-, e.g. organopalladium compounds. In addition to the traditional
metals and semimetals, elements such as boron, silicon, arsenic and selenium are considered
to form organometallic compounds, e.g. organomagnesium compounds MeMgI iodo(methyl)magnesium,
Et sub 2 /sub Mg diethylmagnesium; an organolithium compound BuLi butyllithium; an
organozinc compound ClZnCH sub 2 /sub C( O)OEt chloro(ethoxycarbonylmethyl)zinc; an
organocuprate Li sup class plus /sup [CuMe sub 2 /sub ] sup class minus /sup
lithium dimethylcuprate; an organoborane Et sub 3 /sub B triethylborane. The status
of compounds in which the canonical anion has a delocalized structure in which the
negative charge is shared with an atom more electronegative than carbon, as in enolates,
may vary with the nature of the anionic moiety, the metal ion, and possibly the medium;
in the absence of direct structural evidence for a carbon–metal bond, such compounds
are not considered to be organometallic.;
Origin ID : O04328;
UMLS CUI : C0029252;
See also
- Semantic type(s)
- UMLS correspondences (same concept)
Classically compounds having bonds between one or more metal atoms and one or more
carbon atoms of an organyl group. Organometallic compounds are classified by prefixing
the metal with organo-, e.g. organopalladium compounds. In addition to the traditional
metals and semimetals, elements such as boron, silicon, arsenic and selenium are considered
to form organometallic compounds, e.g. organomagnesium compounds MeMgI iodo(methyl)magnesium,
Et sub 2 /sub Mg diethylmagnesium; an organolithium compound BuLi butyllithium; an
organozinc compound ClZnCH sub 2 /sub C( O)OEt chloro(ethoxycarbonylmethyl)zinc; an
organocuprate Li sup class plus /sup [CuMe sub 2 /sub ] sup class minus /sup
lithium dimethylcuprate; an organoborane Et sub 3 /sub B triethylborane. The status
of compounds in which the canonical anion has a delocalized structure in which the
negative charge is shared with an atom more electronegative than carbon, as in enolates,
may vary with the nature of the anionic moiety, the metal ion, and possibly the medium;
in the absence of direct structural evidence for a carbon–metal bond, such compounds
are not considered to be organometallic.
