carbanion

(redirected from Carbon nucleophile)
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car·ban·i·on

 (kär-băn′ī′ən, -ī′ŏn′)
n.
An anion in which carbon carries a negative charge and an unshared pair of electrons.

carbanion

(kɑːˈbænaɪən)
n
(Chemistry) a negatively charged organic ion in which most of the negative charge is localized on a carbon atom. Compare carbonium ion
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The cysteine is then chemically converted to dehydroalanine ( tag ), which reacts with various sulphur or carbon nucleophiles under mild conditions to introduce pyrophosphate PTM mimics ( modify ).