Synthetic Route of 109-83-1 ,Some common heterocyclic compound, 109-83-1, molecular formula is C3H9NO, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.
Example 4: Preparation of the compound of formula; (a) Alkylating agent; A mixture of 21.5g 2-hydroxyethyl-methylamine are neutralized with hydrochloric acid and evaporated to dryness.The salt is suspended in chloroform and cooled with stirring to O0C and then 41.Og thionyl chloride are added in small amounts maintaining the temperature at O0C by external cooling. After completion of the addition the reaction is finished by heating to reflux and autgassing the mixture.The solution is evaporated to dryness; the 2-chloroethyl-methylamine used as chlorohydrate in the following step.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,109-83-1, its application will become more common.
Reference:
Patent; CIBA SPECIALTY CHEMICALS HOLDING INC.; WO2007/25889; (2007); A2;,
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