The 2-propynyl group is also known as a propargyl group, and has the structure HC≡C−CH2–R.
References
↑Colthup, Norman B.; Daly, Lawrence H.; Wiberley, Stephen E. (1990-01-01), "CHAPTER 6 - TRIPLE BONDS AND CUMULATED DOUBLE BONDS", in Colthup, Norman B.; Daly, Lawrence H.; Wiberley, Stephen E. (eds.), Introduction to Infrared and Raman Spectroscopy (Third Edition), San Diego: Academic Press, pp.235–246, ISBN978-0-12-182554-6, retrieved 2023-01-01
↑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. doi:10.1063/1.3067705. ISSN1089-7690. PMID19191388.