© 2000 Prentice Hall. All rights reserved.

Dr. Glaser's Visualization Center
To accompany Bruice, Organic Chemistry, 3/e, Chapter 5


Theme Molecule Name Chemical Formula
Nomenclature of Alkynes 1-hexyne (S) C6H10
Nomenclature of Alkynes 2-hexyne (S) C6H10
Nomenclature of Alkynes 3-hexyne (S) C6H10
Cyclic Alkynes cyclooctyne (S) C8H12
Cyclic Alkynes cycloheptyne (S) C7H10
Cyclic Alkynes cyclohexyne (S) C6H8
Benzyne ortho-benzyne (S) C6H4
Acidity of Alkynes lithium acetylide (S) H3C-CC-Li+
Acidity of Alkynes sodium acetylide (S) H3C-CC-Na+
Electrophilic Addition to Alkynes pi-complex HCl/HCCH (S) HCl...HCCH
Electrophilic Addition to Alkynes vinyl cation (S) H2C=C(+)H
Important Reagents disiamylborane (S) [b] HB(C5H11)2

[a] Unless otherwise noted, structures were determined at the MP2(full)/6-31G* level of ab inito theory.
[b] Structure determined at the RHF/6-31G* level.