Technology Process of 5-(4-nitrophenyl)-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine-8(9H)-thione
There total 4 articles about 5-(4-nitrophenyl)-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine-8(9H)-thione which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: 52 percent / aq. H2SO4; CrO3 / acetone / 15 - 20 °C
2.1: Et3N; isobutyl chloroformate / tetrahydrofuran / -20 °C
2.2: 75 percent / hydrazine hydrate / tetrahydrofuran / 20 °C
3.1: 79 percent / phosphorus pentasulfide / pyridine / Heating
With
chromium(VI) oxide; diphosphorus pentasulfide; sulfuric acid; triethylamine; isobutyl chloroformate;
In
tetrahydrofuran; pyridine; acetone;
1.1: Jones oxidation;
DOI:10.1021/jm0580003
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: Et3N; isobutyl chloroformate / tetrahydrofuran / -20 °C
1.2: 75 percent / hydrazine hydrate / tetrahydrofuran / 20 °C
2.1: 79 percent / phosphorus pentasulfide / pyridine / Heating
With
diphosphorus pentasulfide; triethylamine; isobutyl chloroformate;
In
tetrahydrofuran; pyridine;
DOI:10.1021/jm0580003
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 95 percent / LiAlH4 / diethyl ether; tetrahydrofuran / 8 h / 20 °C
2.1: 83 percent / aq. HCl / toluene / 20 °C
3.1: 52 percent / aq. H2SO4; CrO3 / acetone / 15 - 20 °C
4.1: Et3N; isobutyl chloroformate / tetrahydrofuran / -20 °C
4.2: 75 percent / hydrazine hydrate / tetrahydrofuran / 20 °C
5.1: 79 percent / phosphorus pentasulfide / pyridine / Heating
With
chromium(VI) oxide; hydrogenchloride; diphosphorus pentasulfide; lithium aluminium tetrahydride; sulfuric acid; triethylamine; isobutyl chloroformate;
In
tetrahydrofuran; pyridine; diethyl ether; acetone; toluene;
3.1: Jones oxidation;
DOI:10.1021/jm0580003