Technology Process of 2-Diphenylacetyl-5-pentyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid methyl ester
There total 11 articles about 2-Diphenylacetyl-5-pentyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 11 steps
1: tetrahydrofuran / Ambient temperature
2: H2SO4 / methanol / 4 h / Heating
3: 4.5 N HCl / Heating
4: H+
5: LiBH4
6: triethylamine / CH2Cl2 / 1 h / 0 °C
7: 1.) NaH / 1.) EtOH, 5 min, 2.) EtOH, RT, overnight
8: P2O5 / toluene / 4 h / Heating
9: NaCNBH3 / acetic acid / 0.25 h / Ambient temperature
10: 1.) KOH, 2.) sulfuric acid / 1.) methanol, reflux, 4 h, 2.) reflux, 4 h
11: 1.) diisopropylethylamine / 1.) THF, 5 min, 2.) THF, RT, overnight
With
hydrogenchloride; potassium hydroxide; lithium borohydride; sulfuric acid; phosphorus pentoxide; hydrogen cation; sodium hydride; sodium cyanoborohydride; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; methanol; dichloromethane; acetic acid; toluene;
DOI:10.1021/jm00077a001
- Guidance literature:
-
Multi-step reaction with 7 steps
1: LiBH4
2: triethylamine / CH2Cl2 / 1 h / 0 °C
3: 1.) NaH / 1.) EtOH, 5 min, 2.) EtOH, RT, overnight
4: P2O5 / toluene / 4 h / Heating
5: NaCNBH3 / acetic acid / 0.25 h / Ambient temperature
6: 1.) KOH, 2.) sulfuric acid / 1.) methanol, reflux, 4 h, 2.) reflux, 4 h
7: 1.) diisopropylethylamine / 1.) THF, 5 min, 2.) THF, RT, overnight
With
potassium hydroxide; lithium borohydride; sulfuric acid; phosphorus pentoxide; sodium hydride; sodium cyanoborohydride; triethylamine; N-ethyl-N,N-diisopropylamine;
In
dichloromethane; acetic acid; toluene;
DOI:10.1021/jm00077a001
- Guidance literature:
-
Multi-step reaction with 8 steps
1: H+
2: LiBH4
3: triethylamine / CH2Cl2 / 1 h / 0 °C
4: 1.) NaH / 1.) EtOH, 5 min, 2.) EtOH, RT, overnight
5: P2O5 / toluene / 4 h / Heating
6: NaCNBH3 / acetic acid / 0.25 h / Ambient temperature
7: 1.) KOH, 2.) sulfuric acid / 1.) methanol, reflux, 4 h, 2.) reflux, 4 h
8: 1.) diisopropylethylamine / 1.) THF, 5 min, 2.) THF, RT, overnight
With
potassium hydroxide; lithium borohydride; sulfuric acid; phosphorus pentoxide; hydrogen cation; sodium hydride; sodium cyanoborohydride; triethylamine; N-ethyl-N,N-diisopropylamine;
In
dichloromethane; acetic acid; toluene;
DOI:10.1021/jm00077a001