Technology Process of 3-{[5-(biphenyl-4-yl)-4,6-difluoro-1H-benzimidazol-2-yl]oxy}cyclohexanecarboxylic acid
There total 13 articles about 3-{[5-(biphenyl-4-yl)-4,6-difluoro-1H-benzimidazol-2-yl]oxy}cyclohexanecarboxylic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
methyl 3-{[5-(biphenyl-4-yl)-4,6-difluoro-1H-benzimidazol-2-yl]oxy}cyclohexanecarboxylate;
With
potassium trimethylsilonate;
In
tetrahydrofuran;
at 20 ℃;
With
hydrogenchloride;
In
water;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: thionyl chloride / 3 h / 20 °C
2: sodium tetrahydroborate / methanol / 2 h / 0 °C / Inert atmosphere
3: 1,8-diazabicyclo[5.4.0]undec-7-ene / N,N-dimethyl-formamide / 80 °C
4: potassium carbonate / tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide; water / 1 h / 120 °C / Inert atmosphere
5: cyclohexa-1,4-diene; ethanol / 10 wt% Pd(OH)2 on carbon / ethyl acetate / 1.5 h / 120 °C / microwave irradiation
6: potassium trimethylsilonate / tetrahydrofuran / 20 °C
With
sodium tetrahydroborate; thionyl chloride; ethanol; cyclohexa-1,4-diene; potassium trimethylsilonate; potassium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene;
tetrakis(triphenylphosphine) palladium(0); 10 wt% Pd(OH)2 on carbon;
In
tetrahydrofuran; methanol; water; ethyl acetate; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: sodium tetrahydroborate / methanol / 2 h / 0 °C / Inert atmosphere
2: 1,8-diazabicyclo[5.4.0]undec-7-ene / N,N-dimethyl-formamide / 80 °C
3: potassium carbonate / tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide; water / 1 h / 120 °C / Inert atmosphere
4: cyclohexa-1,4-diene; ethanol / 10 wt% Pd(OH)2 on carbon / ethyl acetate / 1.5 h / 120 °C / microwave irradiation
5: potassium trimethylsilonate / tetrahydrofuran / 20 °C
With
sodium tetrahydroborate; ethanol; cyclohexa-1,4-diene; potassium trimethylsilonate; potassium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene;
tetrakis(triphenylphosphine) palladium(0); 10 wt% Pd(OH)2 on carbon;
In
tetrahydrofuran; methanol; water; ethyl acetate; N,N-dimethyl-formamide;