Technology Process of (+)-9-[(1R,2R,3R,4R)-2-fluoro-3-benzyloxy-4-(benzyloxymethyl)-5-methylenecyclopentan-1-yl]-6-N,N-di-Boc-adenine
There total 10 articles about (+)-9-[(1R,2R,3R,4R)-2-fluoro-3-benzyloxy-4-(benzyloxymethyl)-5-methylenecyclopentan-1-yl]-6-N,N-di-Boc-adenine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
N6,N6-bis(tert-butoxycarbonyl)adenine;
With
di-isopropyl azodicarboxylate; triphenylphosphine;
In
tetrahydrofuran;
at 0 ℃;
for 0.5h;
(-)-[(1R,2R,3R,4S)-2-(benzoyloxy)-3-fluoro-4-hydroxy-5-methylenecyclopentyl]methyl benzoate;
In
tetrahydrofuran;
at 20 ℃;
for 3h;
DOI:10.1016/j.bmcl.2011.08.113
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: trifluoroacetic acid / water / 3 h / 50 °C
2.1: 1H-imidazole / N,N-dimethyl-formamide / 0 - 20 °C / Inert atmosphere
3.1: dimethylaminosulphur trifluoride / dichloromethane / 0.33 h / 20 °C
4.1: tetrabutyl ammonium fluoride; acetic acid / tetrahydrofuran / 1 h / 20 °C
5.1: pyridine / 4 h / 20 °C
6.1: boron trichloride / dichloromethane / 0.75 h / -78 °C
7.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 0.5 h / 0 °C
7.2: 3 h / 20 °C
With
pyridine; 1H-imidazole; dimethylaminosulphur trifluoride; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; boron trichloride; acetic acid; triphenylphosphine; trifluoroacetic acid;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2011.08.113
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C / Inert atmosphere
1.2: 0 - 20 °C / Inert atmosphere
2.1: trifluoroacetic acid / water / 3 h / 50 °C
3.1: 1H-imidazole / N,N-dimethyl-formamide / 0 - 20 °C / Inert atmosphere
4.1: dimethylaminosulphur trifluoride / dichloromethane / 0.33 h / 20 °C
5.1: tetrabutyl ammonium fluoride; acetic acid / tetrahydrofuran / 1 h / 20 °C
6.1: pyridine / 4 h / 20 °C
7.1: boron trichloride / dichloromethane / 0.75 h / -78 °C
8.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 0.5 h / 0 °C
8.2: 3 h / 20 °C
With
pyridine; 1H-imidazole; dimethylaminosulphur trifluoride; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; boron trichloride; sodium hydride; acetic acid; triphenylphosphine; trifluoroacetic acid;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.bmcl.2011.08.113