Technology Process of (S)-6-OH-α-Me-Dopa
There total 6 articles about (S)-6-OH-α-Me-Dopa which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 75 percent / Fe / acetic acid / 3 h / Heating
2: 81 percent / (NH4)2CO3 / ethanol; H2O / 6.5 h / Heating
3: 67 percent / BaCO3*8H2O / H2O / 48 h / Heating
4: 1.) 1N ethanolic HCl, 3A molecular sieves, 2.) 0.5N aq. NaOH / 12 h / Heating
6: 48percent aq. HBr, glacial acetic acid, 50W-X8 ion exchange resin (H+ form) / 3 h
With
hydrogenchloride; sodium hydroxide; 3 A molecular sieve; 50W-X8 ion exchange resin (H+ form); hydrogen bromide; ammonium carbonate; iron; acetic acid; barium carbonate;
In
ethanol; water; acetic acid;
DOI:10.1021/jm00186a007
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 81 percent / (NH4)2CO3 / ethanol; H2O / 6.5 h / Heating
2: 67 percent / BaCO3*8H2O / H2O / 48 h / Heating
3: 1.) 1N ethanolic HCl, 3A molecular sieves, 2.) 0.5N aq. NaOH / 12 h / Heating
5: 48percent aq. HBr, glacial acetic acid, 50W-X8 ion exchange resin (H+ form) / 3 h
With
hydrogenchloride; sodium hydroxide; 3 A molecular sieve; 50W-X8 ion exchange resin (H+ form); hydrogen bromide; ammonium carbonate; acetic acid; barium carbonate;
In
ethanol; water;
DOI:10.1021/jm00186a007
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 67 percent / BaCO3*8H2O / H2O / 48 h / Heating
2: 1.) 1N ethanolic HCl, 3A molecular sieves, 2.) 0.5N aq. NaOH / 12 h / Heating
4: 48percent aq. HBr, glacial acetic acid, 50W-X8 ion exchange resin (H+ form) / 3 h
With
hydrogenchloride; sodium hydroxide; 3 A molecular sieve; 50W-X8 ion exchange resin (H+ form); hydrogen bromide; acetic acid; barium carbonate;
In
water;
DOI:10.1021/jm00186a007