5-Bromo-1,2,3,4-tetrahydroisoquinoline, cas is 81237-69-6, it is a common heterocyclic compound, the tetrahydroisoquinoline compound, its synthesis route is as follows.
To a solution of 5-bromo-l,2,3,4-tetrahydroisoquinoline (4.24 g, 20 mmol) and di-tert- butyl pyrocarbonate (5.2 g, 24 mmol) in THF (45 mL) was added TEA (4.0 g, 40 mmol) dropwise. The resulting mixture was stirred for 15 hrs at rt, then poured into water (50 mL) and extracted with EA (75 mL) twice. The organic layers were combined, then washed with water and brine, dried over anhydrous Na2S04 and concentrated in vacuo. The residue was purified by column (eluting with PE/EA=5/1, v:v) to provide tert-butyl 5-bromo-3,4-dihydro-lH- isoquinoline-2-carboxylate (5 g) as a white solid., 81237-69-6
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Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; CHENG, Zhanling; WANG, Jianhua; WANG, Min; YANG, Song; (81 pag.)WO2018/83136; (2018); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem