The tetrahydroisoquinoline compound, cas is 170097-67-3 name is 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid, mainly used in chemical industry, its synthesis route is as follows.
Intermediate 16: 1,1-dimethylethyl 6-({[1-(2-biphenylylmethyl)-5-methyl-1H-pyrazol-3-yl]amino}carbonyl)-3,4-dihydro-2(1H)-isoquinolinecarboxylate; To a solution of 1-(2-biphenylylmethyl)-5-methyl-1H-pyrazol-3-amine (Intermediate 6) (76 mg, 0.29 mmol), N-(3-dimethylaminopropyl)-N’-ethylcarbodiimide hydrochloride (66 mg, 0.34 mmol), 1-hydroxybenzotriazole hydrate (46 mg, 0.34 mmol) and diisopropylethylamine (48 mg, 0.37 mmol) in DCM (10 mL) was added 2-{[(1,1-dimethylethyl)oxy]carbonyl}-1,2,3,4-tetrahydro-6-isoquinolinecarboxylic acid (84 mg, 0.3 mmol) and the mixture was stirred at room temperature for 4 days. The organic phase was then washed with NaOH (1N) and brine, dried over Na2SO4, filtered and evaporated under reduced pressure. The residue was purified by flash column chromatography eluting with DCM to DCM/MeOH: 96/4 to give the title compound as a colorless oil (73 mg, 49%).LC/MS: m/z 523 (M+H)+, Rt: 4.03 min., 170097-67-3
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Reference£º
Patent; Bouillot, Anne Marie Jeanne; Daugan, Alain Claude-Marie; Dean, Anthony William; Fillmore, Martin Christian; US2010/22486; (2010); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem