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. 2510-23-8, name is 3-Ethynylpyridine. This compound has unique chemical properties. The synthetic route is as follows. Formula: C7H5N
General procedure: The terminal alkyne (1.0 mmol) was added to a mixtureof HSi(OEt)2Me (5.0 mmol) and KOtBu (1.5 mmol) in a10 mL Schlenk tube with a magnetic stirrer. The Schlenktube was evacuated and back-filled with CO2 for 3 times.After a CO2 ballon was connected, the reactor was moved toa water bath of 40 C. After being stirred for 2 h, the reactionmixture was diluted with water (30 mL), and was extractedwith CH2Cl2 (3×10 mL). The aqueous layer was acidifiedwith aqueous HCl (6 M) and then extracted with diethylether (5×20 mL). The combined organic extracts were driedover Na2SO4 and concentrated under vacuum to give the purepropiolic acid (such as compound 3-phenylpropiolic acid(3a): 98%).
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Reference:
Article; Yu, Bo; Yang, Peng; Gao, Xiang; Yang, Zhenzhen; Zhao, Yanfei; Zhang, Hongye; Liu, Zhimin; Science China Chemistry; vol. 61; 4; (2018); p. 449 – 456;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem