{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Ch_322a_4.09 - yne CH 3 C CCH 3 2-but yne(4 Positions of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
IUPAC Names of Alkynes Alkynes are named in a similar way as alkenes. (1) The name of the parent alkane is modified by dropping the "ane" ending and adding "yne." (2) The parent chain is numbered to give the carbons of the alkyne lower numbers . (3) The location of the triple bond is given by the lower positional number of the alkynyl carbons. CH 3 CH 2 CH 2 C CH 5 4 3 2 1 1 -pent
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: yne CH 3 C CCH 3 2-but yne (4) Positions of substituents are determined by the usual rules. CH 3 C CCH 2 Cl 4 3 2 1 1-chloro-2-butyne CH 3 CH 2 CHC CH CH 3 5 4 3 2 1 3-methyl-1-pentyne (5) In an alkynol , the alcohol has priority in numbering. HC CCH 2 CH 2 OH 4 3 2 1 3-butyn-1-ol 1-Alkynes are also called terminal alkynes . R-C C H pK a = 25...
View Full Document

{[ snackBarMessage ]}