Analyzing the synthesis route of 215798-14-4

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.215798-14-4,6-(Trifluoromethyl)-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.

Step 4: (S)-N-[I -Benzyl-2-oxo-2-(6-trifluoromethyl-3,4-dihydro-1 H-isoquinolin-2-yl)-ethyl]- N-(4-pyridin-2-yl-benzyl)-3-(4-trifluoromethyl-phenyl)-acrylamide A mixture of (S)-3-phenyl-2-{(4-pyridin-2-yl-benzyl)-[3-(4-trifluoromethyl-phenyl)-acryloyl]- amino}-propionic acid (50 mg, 0.094 mmol), TBTU (30.3 mg, 0.094 mmol), and DIPEA (0.08 mL, 0.471 mmol) in dry DMF (1 mL) was stirred at rt for 30 min. Then a solution of 6- trifluoromethyl-1 ,2,3,4-tetrahydro-isoquinoline hydrochloride in dry DMF (1 ml.) was added and the reaction mixture was stirred overnight at rt and directy purified by preparativeHPLC.LC-MS: tR = 1.04 min; [M+H]+ = 714.15.

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Reference£º
Patent; ACTELION PHARMACEUTICALS LTD; WO2009/141782; (2009); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem