(99.8%), 1-bromodecane (98%), ethyl acetate (99.5%), 1-methylimidazole
(99%), nonane (99%), 2-hexanone (99%), methyl tiglate (99%), n-hexane (99.7%), 1-hexene (99.8%), cis-1,4-hexadiene (99%), 2.3-dimethyl-1,3-butadiene (98%), 2-hexyne
(99%), benzene (99.8%), toluene (99.5%), o-xylene
(99.8%), m-xylene (99%), p-xylene
(99%), ethylbenzene (99.8%), 1-nonene (96%), and [Ag+][NTf2–] (97%) were purchased from Sigma-Aldrich
(St. Louis, MO, USA). Compounds 3-hexyne (99%) and cis-2-hexene (96%) were purchased from Alfa Aesar (Tewksbury, MA, USA).
Lithium bis[(trifluoromethyl)sulfonyl]imide ([Li+][NTf2–], 99.5%) salt was purchased from SynQuest
Laboratories (Alachua, FL, USA). Untreated fused silica capillary
tubing (I.D. 250 μm) and naphthalene (98%) were purchased from
Supelco (Bellefonte, PA, USA). Cylinders containing custom gas mixtures
(ultra-high purity, 99.999%) of hydrogen/nitrogen, hydrogen/helium,
and hydrogen/methane/nitrogen were purchased from Airgas, Inc. (Des
Moines, IA, USA). All chemicals were used as received without further
purification.