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ketene

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ke·tene  (ktn)
n.
A pungent, toxic, colorless gas, C2H2O, used chiefly as an acetylation agent.

ketene [ˈkiːtiːn ˈkɛt-]
n
(Chemistry / Elements & Compounds) a colourless irritating toxic gas used as an acetylating agent in organic synthesis. Formula: CH2:CO Also called ethonone


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The centre manufactured 15kg of a special kind of paper from cotton and ketene to fill the gaps in the pages.
1 reacts with benzoyl chloride to give a cyclic ketene acetal 2, where both the nitrogen and the |A carbon have been acylated.
Chemical properties related to the carboxyl group: Introduction; Hydrolysis; Esterification; Acid chlorides, acid anhydrides and ketene dimers; Peroxy acids and esters; Long-chain alcohols; Acetals/ketlas and orthoesters; Nitrogen-containing compounds; Sulfonation and other reactions at the a-position; Barton reaction.
 
 
 
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