Technology Process of 1-pentofuranosyl-1H-imidazo[4,5-d]pyridazin-7-amine
There total 8 articles about 1-pentofuranosyl-1H-imidazo[4,5-d]pyridazin-7-amine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 40 percent / stannic chloride / 1,2-dichloro-ethane / 3 h / Ambient temperature
2: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min.
3: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating
4: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h.
5: 42 percent / NH3 (l) / 4 h / 150 °C / steel bomb
With
methanol; diphosphorus pentasulfide; sodium hydroxide; ammonia; boron trichloride; tin(IV) chloride;
In
pyridine; water; 1,2-dichloro-ethane;
DOI:10.1002/jhet.5570210243
- Guidance literature:
-
Multi-step reaction with 6 steps
1: amonium sulfate / Heating
2: 40 percent / stannic chloride / 1,2-dichloro-ethane / 3 h / Ambient temperature
3: 1.) BCl3; 2.) CH3OH / 1.) CH2Cl2, -78 deg C, 2 h; 2.) -78 deg C, 2 h, room temp. 30 min.
4: 60 percent / phosphorus pentasulfide / pyridine; H2O / 12 h / Heating
5: 1.) 1N NaOH; 2.) 1N NaOH / 1.) aq. ethanol, room temp., 2 h; 2.) room temp., 1 h.
6: 42 percent / NH3 (l) / 4 h / 150 °C / steel bomb
With
methanol; diphosphorus pentasulfide; ammonium sulfate; sodium hydroxide; ammonia; boron trichloride; tin(IV) chloride;
In
pyridine; water; 1,2-dichloro-ethane;
DOI:10.1002/jhet.5570210243