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Lewis acid base chemistry of Bestmann's ylide, Ph₃PCCO, and its bulkier analogue, (cyclohexyl)₃PCCO
- Brar, Amandeep, Unruh, Daniel K., Aquino, Adelia J., Krempner, Clemens
- Chemical communications 2019 v.55 no.24 pp. 3513-3516
- Lewis acids, Lewis bases, carbon, chemical reactions, oxygen
- 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.