Related Products of 236750-65-5, These common heterocyclic compound, 236750-65-5, name is 4,5-Bis(2-methoxyethoxy)-2-nitrobenzonitrile, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.
A 4 ml 5-neck flask was charged with 2.96 g (10 mmol) of 4,5-bis(2-methoxyethoxy)-2-nitrobenzonitrile, 38.4 mg (0.3 mmol) of molybdenum dioxide, and 0.12 g of activated carbon. 30 ml of absolute ethanol was added dropwise to a solution of hydrazine hydrate (80%) at a temperature of 1.88 g (30 mmol). After the reaction was completed at room temperature for 7 h, TLC monitoring showed that the reaction was completed, filtered, and the filtrate was concentrated, then ethyl acetate (20 mL) and water (10 ml) were added and extracted. The organic phase was washed with water and concentrated to near dryness, slurried with petroleum ether to give 2.4g desired product as a pale yellow solid, yield 90.2%, HPLC purity 99%.
The synthetic route of 236750-65-5 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; Puji Bio-technology (Taizhou) Co., Ltd.; Jia Qiang; Ma Chi; Ma Tianhua; Yang Zhengwei; (11 pag.)CN109574853; (2019); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts