Phosphinane is the
organophosphorus compound
Organophosphorus compounds are organic compounds containing phosphorus. They are used primarily in pest control as an alternative to chlorinated hydrocarbons that persist in the environment. Some organophosphorus compounds are highly effective in ...
with the formula (CH
2)
5PH. This colorless liquid is the parent member of a family of six-membered, saturated rings containing phosphorus. These compounds are mainly of academic interest. The ring adopts a flexible
cyclohexane
Cyclohexane is a cycloalkane with the molecular formula . Cyclohexane is non-polar. Cyclohexane is a colorless, flammable liquid with a distinctive detergent-like odor, reminiscent of cleaning products (in which it is sometimes used). Cyclohex ...
-like chair conformation.
Phosphinane can be prepared via the
Arbuzov reaction Arbuzov (masculine, russian: Арбузов) or Arbuzova (feminine, russian: Арбузовa) is a Russian surname, derived from the word арбуз (''arbooz'', meaning "watermelon
Watermelon (''Citrullus lanatus'') is a flowering plant spec ...
of
triethylphosphite and 1,5-dibromopentane followed by cyclization and reduction steps.
[ Phosphinane can also be prepared by reduction of 1-chlorophosphinane, which in turn is obtained by the reaction of 1-phenylphosphinane and ]phosphorus trichloride
Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. A colorless liquid when pure, it is an important industrial chemical, being used for the manufacture of phosphites and other organophosphorus compounds. It is toxic a ...
.[{{cite journal, title=Zur Spaltung tertiärer Phosphine. II, author=K. Sommer, journal=Zeitschrift für Anorganische und Allgemeine Chemie, year=1970, volume=379, pages=56–62, doi=10.1002/zaac.19703790110]
References
Phosphorus heterocycles
Six-membered rings