Technology Process of 4-Hyxdroxy-2-iodo-3-methoxypyridine
There total 2 articles about 4-Hyxdroxy-2-iodo-3-methoxypyridine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2-iodo-3-methoxy-pyridine;
With
2,2,6,6-tetramethyl-piperidine; n-butyllithium;
In
tetrahydrofuran; hexane;
at -50 ℃;
for 1h;
With
Trimethyl borate;
In
tetrahydrofuran; hexane;
at -75 ℃;
for 2h;
With
peracetic acid; acetic acid;
In
tetrahydrofuran; hexane;
at -75 - 20 ℃;
DOI:10.1016/S0040-4020(01)01142-5
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: 85 percent / MeONa / dimethylformamide / 15 h / 0 - 20 °C
2.1: 2,2,6,6-tetramethylpiperidine; BuLi / tetrahydrofuran; hexane / 1 h / -50 °C
2.2: B(OMe)3 / tetrahydrofuran; hexane / 2 h / -75 °C
2.3: 63 percent / aq. AcOH; AcOOH / tetrahydrofuran; hexane / -75 - 20 °C
With
2,2,6,6-tetramethyl-piperidine; n-butyllithium; sodium methylate;
In
tetrahydrofuran; hexane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(01)01142-5
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 69 percent / Ag2CO3 / tetrahydrofuran / 15 h / 20 °C
2.1: BuLi / tetrahydrofuran; hexane / 0.25 h / -75 °C
2.2: ZnCl2 / tetrahydrofuran; hexane / -75 - 20 °C
2.3: [Pd(PPh3)4] / tetrahydrofuran; hexane / 20 h / Heating
3.1: aq. HCl / tetrahydrofuran / 7 h / 50 °C
4.1: 71 percent / aq. HBr / acetic acid / 5 h / Heating
With
hydrogenchloride; n-butyllithium; hydrogen bromide; silver carbonate;
In
tetrahydrofuran; hexane; acetic acid;
DOI:10.1016/S0040-4020(01)01142-5