Metalloles are metallacycle derivatives of cyclopentadiene in which the carbon atom at position 5, the saturated carbon, is replaced by a heteroatom. In contrast to its parent compound, the numbering of the metallole starts at the heteroatom. Some of these compounds are described as organometallic compounds, but in the list below quite a number of metalloids are present too.[1] Many metalloles are fluorescent. Polymeric derivatives of pyrrole and thiophene are of interest in molecular electronics. Metalloles, which can also be viewed as structural analogs of pyrrole, include:
| Name | M | d(M-C), Å | d(M-H), Å | α(C-M-C), ° | E, kJ/mol |
|---|---|---|---|---|---|
| Pyrrole | N | 1.37 | 1.01 | 110 | 0 |
| Phosphole | P | 1.81 | 1.425 | 90.5 | 67 |
| Arsole | As | 1.94 | 1.53 | 86 | 125 |
| Stibole | Sb | 2.14 | 1.725 | 80.5 | 160 |
| Bismole | Bi | 2.24 | 1.82 | 78 | 220 |
- Arsole, a moderately-aromatic arsenic analog
- Bismole, a bismuth analog
- Borole, a boron analog
- Furan (oxole), an oxygen analog
- Gallole, a gallium analog
- Germole, a germanium analog
- Phosphole, a phosphorus analog
- Pyrrole (azole), a nitrogen analog
- Selenophene, a selenium analog
- Silole, a silicon analog
- Stannole, a tin analog
- Stibole, an antimony analog
- Tellurophene, a tellurium analog
- Plumbole,[3][4] a lead analog
- Thiophene, a sulfur analog
- Titanole, a titanium analog
- Zirconole, a zirconium analog
See also
References
- ↑ Tracy, Henry J.; Mullin, Jerome L.; Klooster, Wim T.; Martin, James A.; Haug, Judith; Wallace, Scott; Rudloe, Isaac; Watts, Kimberly (2005). "Enhanced Photoluminescence from Group 14 Metalloles in Aggregated and Solid Solutions". Inorganic Chemistry. 44 (6): 2003–2011. doi:10.1021/ic049034o. PMID 15762727.
- ↑ Pelzer, Silke; Wichmann, Karin; Wesendrup, Ralf; Schwerdtfeger, Peter (2002). "Trends in Inversion Barriers IV. The Group 15 Analogous of Pyrrole". The Journal of Physical Chemistry A. 106 (26): 6387. Bibcode:2002JPCA..106.6387P. doi:10.1021/jp0203494.
- ↑ Saito, Masaichi; Nakada, Marisa; Kuwabara, Takuya; Owada, Ryota; Furukawa, Shunsuke; Narayanan, Radhika; Abe, Minori; Hada, Masahiko; Tanaka, Ken; Yamamoto, Yoshihiko (2019-08-26). "Inverted Sandwich Rh Complex Bearing a Plumbole Ligand and Its Catalytic Activity". Organometallics. 38 (16): 3099–3103. doi:10.1021/acs.organomet.9b00339. ISSN 0276-7333.
- ↑ Münzfeld, Luca; Sun, Xiaofei; Schlittenhardt, Sören; Schoo, Christoph; Hauser, Adrian; Gillhuber, Sebastian; Weigend, Florian; Ruben, Mario; Roesky, Peter W. (2021-12-10). "Introduction of plumbole to f-element chemistry". Chemical Science. doi:10.1039/D1SC03805B. ISSN 2041-6539.
- ↑ Dettlaf G, Weiss E (1976). "Kristallstruktur, 1H-NMR- und Massenspektrum von Tricarbonylferracyclopentadien-tricarbonyleisen, C4H4Fe2(CO)6" [Crystal Structure, Proton NMR and Mass Spectrum of Tricarbonylferracyclopentadienetricarbonyliron, C4H4Fe2(CO)6]. J. Organomet. Chem. 108: 213–23. doi:10.1016/S0022-328X(00)82143-9.
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