Technology Process of Tetracosanoic acid [(1S,2S,3R)-2,3-bis-benzyloxy-1-((2S,3R,4S,5S,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxymethyl)-octyl]-amide
There total 13 articles about Tetracosanoic acid [(1S,2S,3R)-2,3-bis-benzyloxy-1-((2S,3R,4S,5S,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxymethyl)-octyl]-amide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: dimethylsulfide; triflic anhydride; 2-chloropyridine / molecular sieves 4 Angstroem / CH2Cl2 / 0.67 h / 0 - 20 °C
1.2: 82 percent / CH2Cl2 / 20 h / 20 °C
2.1: triphenylphosphine; pyridine / H2O / 12 h / 40 °C
3.1: 88 mg / 1-hydroxybenzotriazole hydrate; triethylamine / 1,2-dichloro-ethane; dimethylformamide / 0 - 20 °C
With
pyridine; 2-chloropyridine; dimethylsulfide; trifluoromethylsulfonic anhydride; 1-hydroxybenzotriazol-hydrate; triethylamine; triphenylphosphine;
4 A molecular sieve;
In
dichloromethane; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
2.1: Staudinger reaction;
DOI:10.1016/j.tet.2004.12.027
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 2,6-lutidine; molecular sieves 4 Angstroem / CH2Cl2 / -40 °C
2.1: tetramethylguanidinium azide / CH2Cl2 / -40 - 20 °C
3.1: 68 percent / acetic acid / methanol / 60 °C
4.1: pyridine
5.1: sodium hydride / dimethylformamide
6.1: acetic acid / H2O
7.1: dimethylsulfide; triflic anhydride; 2-chloropyridine / molecular sieves 4 Angstroem / CH2Cl2 / 0.67 h / 0 - 20 °C
7.2: 82 percent / CH2Cl2 / 20 h / 20 °C
8.1: triphenylphosphine; pyridine / H2O / 12 h / 40 °C
9.1: 88 mg / 1-hydroxybenzotriazole hydrate; triethylamine / 1,2-dichloro-ethane; dimethylformamide / 0 - 20 °C
With
pyridine; 2,6-dimethylpyridine; 2-chloropyridine; dimethylsulfide; trifluoromethylsulfonic anhydride; 4 A molecular sieve; sodium hydride; acetic acid; 1-hydroxybenzotriazol-hydrate; triethylamine; triphenylphosphine; tetramethylguanidinum azide;
4 A molecular sieve;
In
methanol; dichloromethane; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
8.1: Staudinger reaction;
DOI:10.1016/j.tet.2004.12.027
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: 88 percent / hydrogen / palladium(II) hydroxide / ethyl acetate
2.1: 2,6-lutidine; molecular sieves 4 Angstroem / CH2Cl2 / -40 °C
3.1: tetramethylguanidinium azide / CH2Cl2 / -40 - 20 °C
4.1: 68 percent / acetic acid / methanol / 60 °C
5.1: pyridine
6.1: sodium hydride / dimethylformamide
7.1: acetic acid / H2O
8.1: dimethylsulfide; triflic anhydride; 2-chloropyridine / molecular sieves 4 Angstroem / CH2Cl2 / 0.67 h / 0 - 20 °C
8.2: 82 percent / CH2Cl2 / 20 h / 20 °C
9.1: triphenylphosphine; pyridine / H2O / 12 h / 40 °C
10.1: 88 mg / 1-hydroxybenzotriazole hydrate; triethylamine / 1,2-dichloro-ethane; dimethylformamide / 0 - 20 °C
With
pyridine; 2,6-dimethylpyridine; 2-chloropyridine; dimethylsulfide; trifluoromethylsulfonic anhydride; 4 A molecular sieve; hydrogen; sodium hydride; acetic acid; 1-hydroxybenzotriazol-hydrate; triethylamine; triphenylphosphine; tetramethylguanidinum azide;
palladium dihydroxide; 4 A molecular sieve;
In
methanol; dichloromethane; water; ethyl acetate; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
9.1: Staudinger reaction;
DOI:10.1016/j.tet.2004.12.027