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二烃基亚砜是近年来发掘出来的有机溶剂,不仅在有机合成及分析方面有突出的用途,即是在无机化学方面,亦有潜在的重要地位,例如合成无结晶水的化合物,金属元素萃取及非水溶剂中电解制取金属等。二甲基亚砜及二乙基亚砜是水溶性的。二丙基以上多碳亚砜R_2SO在水中溶解度均很小。由于亚砜与磷氧化合物R_3PO的物理性质有相似之处而R_3PO如TOPO(三辛基膦氧)
Dihydrocarbyl sulfoxide is an organic solvent discovered in recent years. It has outstanding applications not only in organic synthesis and analysis, but also in inorganic chemistry, such as the synthesis of compounds that have no water of crystallization, extraction of metal elements And non-aqueous solvent electrolysis system for metal. Dimethyl sulfoxide and diethyl sulfoxide are water-soluble. Dipropyl polysulfoxide above R_2SO solubility in water are small. Due to the similarities between the sulfoxides and the physical properties of the phosphorus oxy-compound R_3PO, R_3PO, such as TOPO (trioctylphosphine oxide)