Electric Literature of 1562-00-1, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 1562-00-1, name is Sodium isethionate. A new synthetic method of this compound is introduced below.
An electrically-heated, mechanically stirred 1 liter autoclave was fitted with an vent valve connected in turn to a condenser and receiver assembly, a bottom valve, a thermowell, a pressure gauge, an inlet line for feeding of reagents, and a pressure-relief valve. The receiver was placed on a balance to facilitate continuous determination of the amount of distillate collected in the receiver. The amine starting material, aqueous sodium 2-hydroxyethanesulfonate, and aqueous 50 percent sodium hydroxide were charged to the autoclave. With the isolation valve open, the reaction mixture was rapidly heated with stirring until condensate was detected in the condenser/receiver. The mixture was further heated with continuous removal of water until the targeted amount of distillate had been removed. An analysis of the collected aqueous distillate was performed by UV spectroscopy to determine the amount of amine which co-distilled with the water. The isolation valve was then closed and the reaction mixture further heated to a target temperature in the range of 140-200 C. for 2-17 hours as specified in Examples 1-8. The reaction mixture was then cooled until the pressure dropped to 0 psig (ca. 110 C.) whereupon dilution water was added to dilute the concentrated reaction product. The resulting solution was then cooled to room temperature and drained from the reactor. Analysis of the product mixture was then performed by various chromatographic and spectroscopic procedures as indicated in the specific examples.; Procedure C A magnetically-stirred 70-mL fluoropolymer-lined steel autoclave was fitted with an internal thermocouple capable of determining the temperature of the liquid phase contained in the vessel, a pressure gauge, a pressure-relief valve, and a vent valve. The amine starting material, anhydrous or aqueous sodium 2-hydroxyethanesulfonate, and anhydrous or aqueous sodium hydroxide were charged to the open autoclave, which was then assembled and immersed in an electrically heated oil bath. With the vent valve closed, the stirred reaction mixture was rapidly heated to the reaction temperature and held at that temperature for the times specified in Examples 9, 10, and 13 below. The reaction mixture was then cooled to ambient temperature, the reactor opened, and the reaction product taken up in sufficient water to dissolve all solids.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,1562-00-1, its application will become more common.
Reference:
Patent; Carroll, Glenn T.; Smith, Gary S.; Stringer, Gary E.; US2006/89509; (2006); A1;,
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