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- W2077884878 abstract "Phase transfer catalytically generated chlorofluorocarbene adds to alkynes much more readily than dichlorocarbene. Some sterically shielded or critically substituted compounds that do not give addition with CCl2 can be reacted with CClF. Chlorofluorocyclopropenes thus formed are hydrolyzed to cyclopropenones in situ. Hitherto unknown α-oxygen functional cyclopropenones were also prepared for the first time. Attempts to isolate α-carbonyl substituted cyclopropenones, however, failed: apparently electron withdrawing groups destabilize the semi-aromatic system." @default.
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- W2077884878 date "1989-01-01" @default.
- W2077884878 modified "2023-09-26" @default.
- W2077884878 title "Chlorofluorocarbene addition to alkynes: a novel path to cyclopropenones with uncommon substituents (cyclopropenone chemistry, part 11)" @default.
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- W2077884878 doi "https://doi.org/10.1016/s0040-4020(01)80121-6" @default.
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