Propynyl group

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Chemical structure of the 2-propynyl (propargyl) group.

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

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