Technology Process of (2S,3S,4S,5R)-5-[(N-benzyl-N-(benzyloxycarbonyl))amino]-2,3,4-tris(benzyloxy)-cycloheptanone
There total 11 articles about (2S,3S,4S,5R)-5-[(N-benzyl-N-(benzyloxycarbonyl))amino]-2,3,4-tris(benzyloxy)-cycloheptanone which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
With
pyridinium chlorochromate;
In
dichloromethane;
at 25 ℃;
for 24h;
DOI:10.1515/znb-2011-0315
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sulfuric acid / water / 24 h / 25 °C
1.2: 8 h / Reflux
2.1: 1H-imidazole; iodine; triphenylphosphine / toluene / 2 h / 95 °C
3.1: zinc / tetrahydrofuran / 3.5 h / 40 °C / Sonication
3.2: 4 h / Sonication
4.1: sodium hydrogencarbonate / dichloromethane; water; ethyl acetate / 2 h / 25 °C
5.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 30 h / 25 °C
6.1: borane-THF / tetrahydrofuran / 12 h / -78 - 25 °C
6.2: 5 h
7.1: pyridinium chlorochromate / dichloromethane / 24 h / 25 °C
With
1H-imidazole; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; borane-THF; sulfuric acid; iodine; sodium hydrogencarbonate; triphenylphosphine; pyridinium chlorochromate; zinc;
In
tetrahydrofuran; dichloromethane; water; ethyl acetate; toluene;
5.1: ring-closing metathesis;
DOI:10.1515/znb-2011-0315
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: zinc / tetrahydrofuran / 3.5 h / 40 °C / Sonication
1.2: 4 h / Sonication
2.1: sodium hydrogencarbonate / dichloromethane; water; ethyl acetate / 2 h / 25 °C
3.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 30 h / 25 °C
4.1: borane-THF / tetrahydrofuran / 12 h / -78 - 25 °C
4.2: 5 h
5.1: pyridinium chlorochromate / dichloromethane / 24 h / 25 °C
With
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; borane-THF; sodium hydrogencarbonate; pyridinium chlorochromate; zinc;
In
tetrahydrofuran; dichloromethane; water; ethyl acetate;
3.1: ring-closing metathesis;
DOI:10.1515/znb-2011-0315