Propynyl group explained

In organic chemistry, a propynyl group is a propyl bearing a triple bond.

• The 1-propynyl group has the structure CH₃-C≡C–R.^[1]
• The 2-propynyl group is also known as a propargyl group, and has the structure HC≡C−CH₂–R.^[2]

Notes and References

1. Morosin . B. . Howatson . J. . 1971-05-16 . The crystal structure of dimeric methyl-1-propynyl- beryllium-trimethylamine . Journal of Organometallic Chemistry . en . 29 . 1 . 7–14 . 10.1016/S0022-328X(00)87485-9 . 0022-328X.
2. Crider . Paul E. . Castiglioni . Luca . Kautzman . Kathryn E. . Neumark . Daniel M. . 2009-01-28 . Photodissociation of the propargyl and propynyl (C(3)D(3)) radicals at 248 and 193 nm . The Journal of Chemical Physics . 130 . 4 . 044310 . 10.1063/1.3067705 . 1089-7690 . 19191388.