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. 53174-98-4, name is Thieno[2,3-b]pyridine-2-carbaldehyde. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: Thieno[2,3-b]pyridine-2-carbaldehyde
A 100 mL round-bottomed flask was charged with thieno[2,3-b]pyridine- 2-carbaldehyde (1.0 g, 6.1 mmol, Maybridge, Tintagel, United Kingdom), 3,4- dihydro-2H-l,5-benzodioxepine-7-sulfonamide (1.4 g, 6.1 mmol, Enamine, Kiev, Ukraine), Montmorillonite K 10 (1.4 g, Sigma- Aldrich, St. Louis, MO), and toluene (31 mL), fitted with a Dean-Stark trap and a reflux condenser, and then the reaction mixture was heated at reflux for 5 h. After that time, the reaction mixture was filtered, the filtrate was allowed to cool to room temperature, filtered, and the filter cake was collected to give N-(thieno[2,3-b]pyridin-2- ylmethylidene)-3,4-dihydro-2H-l,5-benzodioxepine-7-sulfonamide (1.1 g) as pale, peach-colored solid.
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Reference:
Patent; AMGEN INC.; BARTBERGER, Michael, D.; CROGHAN, Michael, D.; FOTSCH, Christopher, H.; NORMAN, Mark, H.; PENNINGTON, Lewis, D.; REICHELT, Andreas; ST. JEAN, David, J., Jr.; TEGLEY, Christopher, M.; WO2012/138776; (2012); A1;,
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