Chemical engineers ensure the efficiency and safety of chemical processes, adapt the chemical make-up of products to meet environmental or economic needs, and apply new technologies to improve existing processes. Introduce a common compound, CAS is 318276-74-3, Name is Methyl cinnoline-6-carboxylate, belongs to cinnoline compound. 318276-74-3
A solution of the compound from example 3d) (345 mg; 1.8 mmol.) in anhydrous tetrahydrofuran (20.0 mL) was cooled to 5 oC for the portionwise addition of solid lithium aluminumhydride (70.0 mg; 1.8 mmol.) and stirred at 5 0C for 1 h. The mixture was quenched by the addition of ethyl acetate (50.0 mL) then water (5.0 mL), filtered through a pad of Celite and evaporated. The residue was dissolved in ethyl acetate (50.0 mL) and treated with manganese dioxide (0.50 g) and stirred at room temperature for 2 h. The mixture was filtered through a pad of Celite and evaporated to afford the title EPO
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Reference：
Patent; SMITHKLINE BEECHAM CORPORATION; WO2007/38331; (2007); A2;,
Cinnoline – Wikipedia
Cinnoline – an overview | ScienceDirect Topics