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Quinuclidine: Wikis


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Skeletal formula of quinuclidine
Ball-and-stick model of quinuclidine
IUPAC name
CAS number 100-76-5 Yes check.svgY
PubChem 7527
Molecular formula C7H13N
Molar mass 111.18 g/mol
Melting point

157–160 °C

Acidity (pKa) 11.0 (conjugate acid)
 Yes check.svgY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Quinuclidine is an organic compound and a bicyclic amine and used as a catalyst and a chemical building block. It is a strong base with pKa of the conjugate acid of 11.0.[2] This is due to greater availability of the nitrogen lone pair. It can be prepared by reduction of quinuclidone.

The compound is structurally related to DABCO in which the other bridgehead is also nitrogen and tropane with a slightly different carbon frame.

Quinuclidine is found as a structural component of some biomolecules including quinine.


  1. ^ Quinuclidine at Sigma-Aldrich
  2. ^ Hext, N. M.; Hansen, J.; Blake, A. J.; Hibbs, D. E.; Hursthouse, M. B.; Shishkin, O. V.; Mascal, M. (1998). "Azatriquinanes: Synthesis, Structure, and Reactivity". J. Org. Chem. 63 (17): 6016–6020. doi:10.1021/jo980788s.  


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