Technology Process of 4H-Imidazo[4,5-d]pyridazin-4-one, 1,5-dihydro-5-[(phenylmethoxy)methyl]-
There total 5 articles about 4H-Imidazo[4,5-d]pyridazin-4-one, 1,5-dihydro-5-[(phenylmethoxy)methyl]- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 58 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / dimethylformamide / 2 h
2: 93 percent / NaNO2 / H2O; dimethylformamide / 24 h / 80 - 90 °C
3: 80 percent / methanolic ammonia / dimethylformamide / 22 h / 130 °C / a sealed, glass-lined steel bomb
4: 85 percent / H2 / PtO2 / ethanol; ethyl acetate / 0.5 h / 1520 Torr / Ambient temperature
5: acetic anhydride / 1 h / Heating
With
ammonia; hydrogen; acetic anhydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; sodium nitrite;
platinum(IV) oxide;
In
ethanol; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1002/jhet.5570210243
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 93 percent / NaNO2 / H2O; dimethylformamide / 24 h / 80 - 90 °C
2: 80 percent / methanolic ammonia / dimethylformamide / 22 h / 130 °C / a sealed, glass-lined steel bomb
3: 85 percent / H2 / PtO2 / ethanol; ethyl acetate / 0.5 h / 1520 Torr / Ambient temperature
4: acetic anhydride / 1 h / Heating
With
ammonia; hydrogen; acetic anhydride; sodium nitrite;
platinum(IV) oxide;
In
ethanol; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1002/jhet.5570210243
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 80 percent / methanolic ammonia / dimethylformamide / 22 h / 130 °C / a sealed, glass-lined steel bomb
2: 85 percent / H2 / PtO2 / ethanol; ethyl acetate / 0.5 h / 1520 Torr / Ambient temperature
3: acetic anhydride / 1 h / Heating
With
ammonia; hydrogen; acetic anhydride;
platinum(IV) oxide;
In
ethanol; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1002/jhet.5570210243