Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 115473-15-9, name is 5,6,7,7a-Tetrahydrothieno[3,2-c]pyridin-2(4H)-one hydrochloride. This compound has unique chemical properties. The synthetic route is as follows. 115473-15-9
Example 16Purification of 5,6,7,7a-tetrahydro-4H-thieno [3,2-c]-pyridin-2-one hydrochloride Compound of Formula-12b50 gms of crude 5,6,7,7a-tetrahydro-4H-thieno [3,2-c]-pyridin-2-one hydrochloride compound of formula-12b obtained in example-15 is taken in methylene chloride (50 ml) and methanol (50 ml). Heated the reaction mixture to 40-45 C. and stirred for 30 min at same temperature. Cooled the reaction mixture to 25-30 C. and stirred for 1 hour. Filtered the solid and washed with methylene chloride. Dried the compound to get the pure title compoundYield: 45 gms.
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Reference:
Patent; Satyanarayana Reddy, Manne; Thirumalai Rajan, Srinivasan; Eswaraiah, Sajja; Rama Subba Reddy, Karamala; Kondal Reddy, Bairy; Venkat Reddy, Ghojala; US2012/202066; (2012); A1;,
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