butynyl

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English[edit]

Etymology[edit]

butyne +‎ -yl

Noun[edit]

butynyl (plural butynyls)

(organic chemistry) Either of three isomeric univalent radicals (C₄H₅-) derived from the two isomers of butyne (C₄H₆)

Usage notes[edit]

Another univalent radical derived from 1-butyne is not a butynyl, unlike 1-butynyl and 3-butynyl, but a methylpropynyl.

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