Technology Process of 4-Chloro-2-(3-{1,1-dimethyl-2-[4-(4-methyl-6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenylamino]-ethylamino}-2-hydroxy-propoxy)-5-(tetrahydro-pyran-2-yloxy)-benzonitrile
There total 17 articles about 4-Chloro-2-(3-{1,1-dimethyl-2-[4-(4-methyl-6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenylamino]-ethylamino}-2-hydroxy-propoxy)-5-(tetrahydro-pyran-2-yloxy)-benzonitrile which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 7 steps
1: benzyltriethylammonium chloride, KOH / dimethylformamide / 6 h / Ambient temperature
2: 89.9 percent / aq. AcOH / 2 h / 100 °C
3: 68.8 percent / 2N aq. HCl / 2 h / Heating
4: 82.8 percent / benzyltriethylammonium chloride, aq. NaOH / 8 h / Heating
5: 88.2 percent / aq. hydrazine hydrate / 3 h / 100 °C
6: 91.5 percent / H2 / Raney Ni / dimethylformamide / 60 - 65 °C / 760 Torr
7: 65.4 percent / 2-methyl-propan-2-ol / 24 h / 65 - 70 °C
With
hydrogenchloride; potassium hydroxide; sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; hydrazine hydrate; acetic acid;
nickel;
In
N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1248/cpb.44.2061
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 68.8 percent / 2N aq. HCl / 2 h / Heating
2: 82.8 percent / benzyltriethylammonium chloride, aq. NaOH / 8 h / Heating
3: 88.2 percent / aq. hydrazine hydrate / 3 h / 100 °C
4: 91.5 percent / H2 / Raney Ni / dimethylformamide / 60 - 65 °C / 760 Torr
5: 65.4 percent / 2-methyl-propan-2-ol / 24 h / 65 - 70 °C
With
hydrogenchloride; sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; hydrazine hydrate;
nickel;
In
N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1248/cpb.44.2061
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.) p-TsOH*H2O / 1.) THF, reflux, 1 h, 2.) THF, H2O, reflux, 3 h
2: benzyltriethylammonium chloride, KOH / dimethylformamide / 6 h / Ambient temperature
3: 89.9 percent / aq. AcOH / 2 h / 100 °C
4: 68.8 percent / 2N aq. HCl / 2 h / Heating
5: 82.8 percent / benzyltriethylammonium chloride, aq. NaOH / 8 h / Heating
6: 88.2 percent / aq. hydrazine hydrate / 3 h / 100 °C
7: 91.5 percent / H2 / Raney Ni / dimethylformamide / 60 - 65 °C / 760 Torr
8: 65.4 percent / 2-methyl-propan-2-ol / 24 h / 65 - 70 °C
With
hydrogenchloride; potassium hydroxide; sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; toluene-4-sulfonic acid; hydrazine hydrate; acetic acid;
nickel;
In
N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1248/cpb.44.2061