Ynolate

Ynolates are chemical compounds with a negatively charged oxygen attached to an alkyne functionality. [cite journal | author = M. Shindo | title = Synthetic uses of ynolates | year = 2007 | journal = Tetrahedron | volume = 63 | issue = 1 | pages = 10–36 | doi = 10.1016/j.tet.2006.09.013] They were first synthesized in 1975 by Schöllkopf and Hoppe via the "n"-butyllithium fragmentation of 3,4-diphenylisoxazole. [cite journal | author = U. Schöllkopf and I. Hoppe | title = Lithium Phenylethynolate and Its Reaction with Carbonyl Compounds to Give β-Lactones | year = 1975 | journal = Angewandte Chemie International Edition in English | volume = 14 | issue = 11 | pages = 765 | doi = 10.1002/anie.197507651]

Synthetically, they behave as ketene precursors or synthons.

See also

*Enolate

References