Technology Process of 5-Bromo-2-nitrothiophene-3-carbaldehyde
There total 1 articles about 5-Bromo-2-nitrothiophene-3-carbaldehyde which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
5-bromo-3-(dichloromethyl)-2-nitrothiophene;
With
zinc(II) chloride;
In
formic acid;
Reflux;
With
water;
In
formic acid;
at 20 ℃;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: hydroxylamine hydrochloride; sodium acetate / ethanol / 20 °C
2: toluene-4-sulfonic acid; 1,2-bis-(diphenylphosphino)ethane / carbonyl bis(hydrido)tris(triphenylphosphine)ruthenium(II) / toluene / 24 h / 111 °C / Inert atmosphere
3: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 90 °C / Inert atmosphere
With
hydroxylamine hydrochloride; sodium acetate; sodium carbonate; toluene-4-sulfonic acid; 1,2-bis-(diphenylphosphino)ethane;
tetrakis(triphenylphosphine) palladium(0); carbonyl bis(hydrido)tris(triphenylphosphine)ruthenium(II);
In
tetrahydrofuran; ethanol; toluene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: hydroxylamine hydrochloride; sodium acetate / ethanol / 20 °C
2: toluene-4-sulfonic acid; 1,2-bis-(diphenylphosphino)ethane / carbonyl bis(hydrido)tris(triphenylphosphine)ruthenium(II) / toluene / 24 h / 111 °C / Inert atmosphere
3: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 90 °C / Inert atmosphere
4: hydrogen / 3percent Pt/C doped with 0.6percent V / methanol / 20 °C
With
hydroxylamine hydrochloride; hydrogen; sodium acetate; sodium carbonate; toluene-4-sulfonic acid; 1,2-bis-(diphenylphosphino)ethane;
tetrakis(triphenylphosphine) palladium(0); carbonyl bis(hydrido)tris(triphenylphosphine)ruthenium(II);
In
tetrahydrofuran; methanol; ethanol; toluene;