thumb|right|The structure of a typical phosphorane group. A phosphorane (IUPAC name: λ5-phosphane) is a functional group in organophosphorus chemistry with pentavalent phosphorus. Phosphoranes have the general formula PR5.
Research
459 papers- Phosphorane-Promoted C-C Coupling during Aryne Annulations.Angewandte Chemie (International ed. in English) · 2024
- Helical polyamines.Chemical science · 2024
- (2-Fluorophenylimino)tri(1-pyrrolyl)phosphorane.Acta crystallographica. Section C, Crystal structure communications · 2001
- 3-Methoxy-1,3,5(10)-estratriene-17(R)-spiro-6'-(2'-(bis-(2-chloroethyl)amino)-2'-oxo-1'oxa-3aza-2'-phosphorane).Steroids · 1974
- Photoredox Catalysis-Enabled C-H Difluoromethylation of Heteroarenes with Pentacoordinate Phosphorane as the Reagent.The Journal of organic chemistry · 2023
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Wikidata facts
- Subclass of
- organic compound, having C-P covalent bound
Show 2 more facts
- CXSMILES
- [*][P@]([*])([*])([*])[*] |$R1;;R2;R3;R4;R5$|
- Commons category
- Phosphoranes
Sources (2)
via Wikidata · CC0
Article · 中文
正膦(IUPAC名稱:λ5-phosphane)是有機化學中的官能基,其中含有5價的磷,其通式為PR5。其對應的氫化物是不穩定的PH5分子。其衍生物五苯基-正膦(pentaphenylphosphorane,Ph5P)是穩定的。 正膦是双三角锥形分子构型,頂上的二個鍵較其他的鍵要長。因為有未鍵結的分子軌域,因此是超价分子,就像分子五氟化磷一樣。 有R3P=CR2型式的正膦更常見也更重要,正膦也是葉立德的一種共振結構之一。這種化合物組成一個中心是磷的的四面體,包括一個磷和碳的雙鍵。這種化合物可用作维蒂希反应的試劑,例如亚甲基三苯基膦,Ph3P=CH2。
Abstract from DBpedia / Wikipedia · CC BY-SA