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. 20249-16-5, name is 3-Oxocyclobutanecarbonitrile, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 3-Oxocyclobutanecarbonitrile
3,3-difluorocyclobutanecarbonitrile[1268] Example 125 A (8.21 g, 86 mmol) in dichloromethane (135 mL) was stirred at room temperature, cooled to <10 C, added DAST (1 1.41 mL, 86 mmol), warmed to room temperature, and stirred for 2 hours. The mixture was poured into saturated aqeuous NaHCC (200 mL) and partitioned. The aqueous phase was extracted with 2 x 50 mL dichloromethane. The combined organic phase was dried (Na2S04), filtered, and concentrated to give Example 125B (9.14 g, 78 mmol, 90 % yield) as a brown oil. XH NMR (400 MHz, CDC13) ? 3.06 - 2.91 (m, 5H).
According to the analysis of related databases, 20249-16-5, the application of this compound in the production field has become more and more popular.
Reference:
Patent; ABBVIE INC.; BAYBURT, Erol K.; CLAPHAM, Bruce; COX, Phil B.; DAANEN, Jerome F.; GOMTSYAN, Arthur; KORT, Michael E.; KYM, Philip R.; VOIGHT, Eric A.; SCHMIDT, Robert G.; DART, Michael J.; GFESSER, Gregory; WO2013/62964; (2013); A2;,
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