7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride, cas is 99365-69-2, it is a common heterocyclic compound, the tetrahydroisoquinoline compound, its synthesis route is as follows.
99365-69-2, (1-1) 1.5 g of 7-nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride was dissolved in 20 ml of ethanol, and 2.9 g of sodium hydrogencarbonate, 2.3 g of ethyl bromoacetate, and a catalytic amount of potassium iodide were added to the solution. The resulting solution was heated and stirred overnight under reflux. The resulting solution was extracted with ethyl acetate, washed with the water and saturated aqueous solution of sodium chloride, and then dried with anhydrous sodium sulfate. After separating the desiccant by filtration, the filtrate was purified by silica gel column chromatography to obtain 1.1 g of 2-(ethoxycarbonylmethyl)-7-nitro-1,2,3,4-tetrahydroisoquinoline (yield: 57percent, oily product).
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Reference£º
Patent; Terumo Kabushiki Kaisha; US5789595; (1998); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem