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. 110651-92-8, name is 7-Chloro-6-nitrothieno[3,2-b]pyridine. A new synthetic method of this compound is introduced below., SDS of cas: 110651-92-8
A mixture of 1,4-dioxaspiro[4.5]decan-8-amine (from J&W PharmLab, 0.40 g, 2.5 mmol), 7-chloro-6-nitrothieno[3,2-b]pyridine (0.29 g, 1.4 mmol) and triethylamine (0.38 mL, 2.7 mmol) in isopropyl alcohol (4.4 mL) was stirred at 90 C. for 2 h. The mixture was concentrated to give the desired product to be used in the next step directly. LCMS calculated for C15H18N3O4S (M+H)+: m/z=336.1. Found: 336.0.
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Reference:
Patent; Incyte Corporation; Li, Yun-Long; Zhu, Wenyu; Mei, Song; Glenn, Joseph; US2014/121198; (2014); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem