
Also known as pent-2-yne, ethylmethylacetylene, 1-ethyl-2-methylacetylene, propyl acetylene
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
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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.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).