Synthesis p. 568 (1989)
Update date:2022-08-17
Topics:
Olah, George A.
Wu, An-hsiang
Farooq, Omar
A new, simple preparation for stable dialkyl ketenes involving intramolecular dehydration of appropriately substituted acetic acids with dicyclohexylcarbodiimide (DCC) in the presence of catalytic amounts of triethylamine gives 60-70percent yield of the corresponding ketenes.Trimethylsilylacetic acid also gives trimethylsilylketene in good yield.
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