Reactivity of trihexyl(tetradecyl)phosphonium chloride, a room-temperature phosphonium ionic liquid
作者:Ming-Chung Tseng、Huang-Chuan Kan、Yen-Ho Chu
DOI:10.1016/j.tetlet.2007.10.131
日期:2007.12
deuterium isotope exchange reaction in deuterated solvents. Under basic conditions, ionic liquid 1 was reactive and 50% deuterium exchanged on all four P–CH2 methylene groups in 9 h at ambient temperature, 30 min at 50 °C, or 12 min at 65 °C. In addition, ionic liquid 1 reacted with sodium salts of substituted benzoates apparently through the direct SN2 carboxylate alkylation to form esters 2 and the
室温离子液体氯化三己基(十四烷基)phosph 1在氘代溶剂中容易发生氘同位素交换反应。在碱性条件下,离子液体1在室温下9小时,50°C下30分钟或65°C下12分钟内具有反应性,并且在所有四个P-CH 2亚甲基上交换了50%氘。此外,离子液体1与取代的苯甲酸的钠盐显然通过直达S反应Ñ 2羧酸烷基化以形成酯2和进一步转化所得的酯,通过Wittig反应,最终得到芳基酮4。