Technology Process of Pyrimido[4,5-g]quinazoline-4,9-dione, 2-(chloromethyl)-3,8-dihydro-5,10-dimethoxy-3,7,8-trimethyl-
There total 11 articles about Pyrimido[4,5-g]quinazoline-4,9-dione, 2-(chloromethyl)-3,8-dihydro-5,10-dimethoxy-3,7,8-trimethyl- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sulfuric acid;
In
acetic acid;
at 100 ℃;
for 4h;
DOI:10.1021/jo00047a017
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 80 percent / 1 N aq. NaOH, 10percent aq. hydrogen peroxide / ethanol / 0.33 h / 40 °C
2: 73 percent / conc. sulfuric acid, aq. sodium nitrite / 70 °C
3: 75 percent / conc. sulfuric acid / Heating
4: 91 percent / methanol / 5 h / Ambient temperature
5: 75 percent / H2 / 5percent Pd/C / methanol / 2585.7 Torr
6: 144 mg / pyridine / dimethylformamide / 2 h / Ambient temperature
7: 58 percent / fuming nitric acid / 0.75 h / 0 °C
8: 87 percent / H2 / 5percent Pd/C / methanol / 2 h / 2585.7 Torr
9: pyridine / dimethylformamide / 0.5 h / Ambient temperature
10: 54 percent / conc. sulfuric acid / acetic acid / 4 h / 100 °C
With
pyridine; sodium hydroxide; sulfuric acid; hydrogen; dihydrogen peroxide; nitric acid; sodium nitrite;
palladium on activated charcoal;
In
methanol; ethanol; acetic acid; N,N-dimethyl-formamide;
DOI:10.1021/jo00047a017
- Guidance literature:
-
Multi-step reaction with 11 steps
1: 71 percent / acetic anhydride, 90percent nitric acid / 0.25 h / Ambient temperature
2: 80 percent / 1 N aq. NaOH, 10percent aq. hydrogen peroxide / ethanol / 0.33 h / 40 °C
3: 73 percent / conc. sulfuric acid, aq. sodium nitrite / 70 °C
4: 75 percent / conc. sulfuric acid / Heating
5: 91 percent / methanol / 5 h / Ambient temperature
6: 75 percent / H2 / 5percent Pd/C / methanol / 2585.7 Torr
7: 144 mg / pyridine / dimethylformamide / 2 h / Ambient temperature
8: 58 percent / fuming nitric acid / 0.75 h / 0 °C
9: 87 percent / H2 / 5percent Pd/C / methanol / 2 h / 2585.7 Torr
10: pyridine / dimethylformamide / 0.5 h / Ambient temperature
11: 54 percent / conc. sulfuric acid / acetic acid / 4 h / 100 °C
With
pyridine; sodium hydroxide; sulfuric acid; hydrogen; dihydrogen peroxide; nitric acid; acetic anhydride; sodium nitrite;
palladium on activated charcoal;
In
methanol; ethanol; acetic acid; N,N-dimethyl-formamide;
DOI:10.1021/jo00047a017