
2-Pentyne, an organic compound with the formula CH3CH2C≡CCH3 and is an internal alkyne. It is an isomer of 1-pentyne, a terminal alkyne. thumb|left|100px|1-Pentyne
2-Pentyne, an organic compound with the formula CH3CH2C≡CCH3 and is an internal alkyne. It is an isomer of 1-pentyne, a terminal alkyne. thumb|left|100px|1-Pentyne
==Synthesis== 2-Pentyne can be synthesized by the rearrangement 1-pentyne in a solution of ethanolic potassium hydroxide or NaNH2/NH3.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).