Technology Process of (R)-(-)-N-(2-(3-((6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)carbonyl)piperidino)ethyl)-4-fluorobenzamide
There total 6 articles about (R)-(-)-N-(2-(3-((6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)carbonyl)piperidino)ethyl)-4-fluorobenzamide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine;
In
DMF (N,N-dimethyl-formamide);
at -4 - 12 ℃;
for 15.5h;
Product distribution / selectivity;
Industry scale;
- Guidance literature:
-
ethyl (R)-1-{2-[(4-fluorobenzoyl)amino]ethyl}piperidine-3-carboxylate; 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline;
With
diisobutylaluminium hydride;
In
toluene;
at 20 - 60 ℃;
With
methanol; sodium hydroxide; water;
at 15 ℃;
With
hydrogenchloride;
In
water; ethyl acetate;
Product distribution / selectivity;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: toluene-4-sulfonic acid / ethyl acetate; toluene / 32 h / Reflux; Large scale
2: sodium hydroxide / water; ethanol / 2 h / 25 °C / Large scale
3: triethylamine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 14 h / -4 - 5 °C / Large scale
With
benzotriazol-1-ol; toluene-4-sulfonic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; sodium hydroxide;
In
ethanol; water; ethyl acetate; N,N-dimethyl-formamide; toluene;
DOI:10.1021/op5002885