Lewis acid base chemistry of Bestmann's ylide, Ph3PCCO, and its bulkier analogue, (cyclohexyl)3PCCO

Amandeep Brar, Daniel K. Unruh, Adelia J. Aquino, Clemens Krempner

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The new phosphoranylideneketene, (cyclohexyl)3PCCO, was synthesized and structurally as well as spectroscopically characterized. Ph3PCCO and (cyclohexyl)3PCCO were found to be weak ambidentate Lewis bases capable of donating to strong Lewis acids via the ylidic carbon or the carbonyl oxygen.

Original languageEnglish
Pages (from-to)3513-3516
Number of pages4
JournalChemical Communications
Issue number24
StatePublished - 2019


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