Technology Process of (S)-2-[((2R,3R,4S,5R,6R)-6-{[((2R,3R,4S,5R,6R)-6-Aminomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-3-phenyl-propionic acid methyl ester
There total 11 articles about (S)-2-[((2R,3R,4S,5R,6R)-6-{[((2R,3R,4S,5R,6R)-6-Aminomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-3-phenyl-propionic acid methyl ester which
guide to synthetic route it.
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synthetic route:
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177213-19-3
(S)-2-[((2R,3R,4S,5R,6R)-6-{[((2R,3R,4S,5R,6R)-6-Aminomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-3-phenyl-propionic acid methyl ester
- Guidance literature:
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Multi-step reaction with 11 steps
1.1: 83 percent / imidazole / dimethylformamide / 2 h / 20 °C
2.1: Ag2O / dimethylformamide / 20 h / 20 °C
2.2: 7.60 g / acetic acid / H2O; tetrahydrofuran / 15 h / 20 °C
3.1: pyridine / CH2Cl2 / 12 h / 20 °C
4.1: 81 percent / sodium azide / dimethylformamide / 12 h / 20 °C
5.1: 82 percent / LiOH*H2O / H2O; methanol; tetrahydrofuran / 12 h / 20 °C
6.1: hydrogen / Lindlar catalyst / methanol / 3 h / 20 °C
7.1: 54 percent / LiOH*H2O / 12 h / 20 °C
8.1: 92 percent / Et3N / dimethylformamide / 0 - 20 °C
9.1: HCl / ethyl acetate / 1 h / 20 °C
10.1: 90 percent / diethylphosphoryl cyanide; Et3N / dimethylformamide / 16 h / 20 °C
11.1: HCl / ethyl acetate / 20 °C
With
pyridine; 1H-imidazole; hydrogenchloride; lithium hydroxide; sodium azide; diethylphosphoryl cyanide; hydrogen; triethylamine; silver(l) oxide;
Lindlar's catalyst;
In
tetrahydrofuran; methanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2006.05.080
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177213-19-3
(S)-2-[((2R,3R,4S,5R,6R)-6-{[((2R,3R,4S,5R,6R)-6-Aminomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-3-phenyl-propionic acid methyl ester
- Guidance literature:
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Multi-step reaction with 9 steps
1: pyridine / CH2Cl2 / 12 h / 20 °C
2: 81 percent / sodium azide / dimethylformamide / 12 h / 20 °C
3: 82 percent / LiOH*H2O / H2O; methanol; tetrahydrofuran / 12 h / 20 °C
4: hydrogen / Lindlar catalyst / methanol / 3 h / 20 °C
5: 54 percent / LiOH*H2O / 12 h / 20 °C
6: 92 percent / Et3N / dimethylformamide / 0 - 20 °C
7: HCl / ethyl acetate / 1 h / 20 °C
8: 90 percent / diethylphosphoryl cyanide; Et3N / dimethylformamide / 16 h / 20 °C
9: HCl / ethyl acetate / 20 °C
With
pyridine; hydrogenchloride; lithium hydroxide; sodium azide; diethylphosphoryl cyanide; hydrogen; triethylamine;
Lindlar's catalyst;
In
tetrahydrofuran; methanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2006.05.080
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177213-19-3
(S)-2-[((2R,3R,4S,5R,6R)-6-{[((2R,3R,4S,5R,6R)-6-Aminomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carbonyl)-amino]-3-phenyl-propionic acid methyl ester
- Guidance literature:
-
Multi-step reaction with 6 steps
1: hydrogen / Lindlar catalyst / methanol / 3 h / 20 °C
2: 54 percent / LiOH*H2O / 12 h / 20 °C
3: 92 percent / Et3N / dimethylformamide / 0 - 20 °C
4: HCl / ethyl acetate / 1 h / 20 °C
5: 90 percent / diethylphosphoryl cyanide; Et3N / dimethylformamide / 16 h / 20 °C
6: HCl / ethyl acetate / 20 °C
With
hydrogenchloride; lithium hydroxide; diethylphosphoryl cyanide; hydrogen; triethylamine;
Lindlar's catalyst;
In
methanol; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2006.05.080