Technology Process of (2R,4aR,6S,7R,8aS,9R,9aR,10aR)-6,9-Bis-benzyloxy-7-(2-methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene
There total 18 articles about (2R,4aR,6S,7R,8aS,9R,9aR,10aR)-6,9-Bis-benzyloxy-7-(2-methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene 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:
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(2R,4aR,6S,7R,8aR,9R,9aS,10aR)-7-(2-Methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene-6,9-diol
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181263-07-0
(2R,4aR,6S,7R,8aS,9R,9aR,10aR)-6,9-Bis-benzyloxy-7-(2-methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene
- Guidance literature:
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With
tetra-(n-butyl)ammonium iodide; sodium hydride;
In
N,N-dimethyl-formamide;
at 23 ℃;
for 24h;
Yield given;
DOI:10.1021/ja961230+
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181263-07-0
(2R,4aR,6S,7R,8aS,9R,9aR,10aR)-6,9-Bis-benzyloxy-7-(2-methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene
- Guidance literature:
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Multi-step reaction with 17 steps
1: K2CO3 / methanol / 12 h / 23 °C
2: CSA / dimethylformamide / 2 h / 50 °C
3: 90 percent / AgNO3, pyridine / dimethylformamide / 4 h / 23 °C
4: OsO4, NMO / 2-methyl-propan-2-ol; tetrahydrofuran; H2O
5: NaIO4 / methanol
6: NiCl2/CrCl2 / tetrahydrofuran; dimethylsulfoxide / 23 °C
7: 91 percent / pyridine
8: n-Bu4NF, imidazole / tetrahydrofuran
9: DBU / CH2Cl2
10: 83 percent / i-Pr2NEt / CH2Cl2
11: 90 percent / DIBAL / diethyl ether / 1.17 h / -78 - 23 °C
12: pyridine, DMAP / dimethylformamide / 3.17 h / 0 - 23 °C
13: AgNO3, pyridine / dimethylformamide
14: PPTS / methanol; CH2Cl2
15: 89 percent / NaH / tetrahydrofuran / 23 °C
16: n-Bu4NF / tetrahydrofuran / 12 h / 23 °C
17: NaH, n-Bu4NI / dimethylformamide / 24 h / 23 °C
With
pyridine; 1H-imidazole; chromium dichloride; dmap; sodium periodate; osmium(VIII) oxide; N-methyl-2-indolinone; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; potassium carbonate; silver nitrate; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; nickel dichloride;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1021/ja961230+
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181263-07-0
(2R,4aR,6S,7R,8aS,9R,9aR,10aR)-6,9-Bis-benzyloxy-7-(2-methoxy-ethyl)-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracene
- Guidance literature:
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Multi-step reaction with 16 steps
1: CSA / dimethylformamide / 2 h / 50 °C
2: 90 percent / AgNO3, pyridine / dimethylformamide / 4 h / 23 °C
3: OsO4, NMO / 2-methyl-propan-2-ol; tetrahydrofuran; H2O
4: NaIO4 / methanol
5: NiCl2/CrCl2 / tetrahydrofuran; dimethylsulfoxide / 23 °C
6: 91 percent / pyridine
7: n-Bu4NF, imidazole / tetrahydrofuran
8: DBU / CH2Cl2
9: 83 percent / i-Pr2NEt / CH2Cl2
10: 90 percent / DIBAL / diethyl ether / 1.17 h / -78 - 23 °C
11: pyridine, DMAP / dimethylformamide / 3.17 h / 0 - 23 °C
12: AgNO3, pyridine / dimethylformamide
13: PPTS / methanol; CH2Cl2
14: 89 percent / NaH / tetrahydrofuran / 23 °C
15: n-Bu4NF / tetrahydrofuran / 12 h / 23 °C
16: NaH, n-Bu4NI / dimethylformamide / 24 h / 23 °C
With
pyridine; 1H-imidazole; chromium dichloride; dmap; sodium periodate; osmium(VIII) oxide; N-methyl-2-indolinone; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; silver nitrate; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; nickel dichloride;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1021/ja961230+