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Chemical compound From Wikipedia, the free encyclopedia
Fulvene (pentafulvene) is a hydrocarbon with the formula (CH=CH)2C=CH2. It is a prototype of a cross-conjugated hydrocarbon.[2] Fulvene is rarely encountered,[3] but substituted derivatives (fulvenes) are numerous. They are mainly of interest as ligands and precursors to ligands in organometallic chemistry.
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Names | |||
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Preferred IUPAC name
5-Methylidenecyclopenta-1,3-diene[1] | |||
Other names
Fulvene[1] 5-Methylene-1,3-cyclopentadiene | |||
Identifiers | |||
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Properties | |||
C6H6 | |||
Molar mass | 78.114 g·mol−1 | ||
-42.9·10−6 cm3/mol | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Fulvene is an isomer of benzene, which when irradiated at 237 to 254 nm forms small amounts of fulvene along with benzvalene.[4]
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