Technology Process of (5R,6R)-1-benzyl-6-[(1'S)-1',3'-dihydroxypropyl]-8,8-dimethyl-3,7,9-trioxa-1-azaspiro[4.5]decan-2-one
There total 10 articles about (5R,6R)-1-benzyl-6-[(1'S)-1',3'-dihydroxypropyl]-8,8-dimethyl-3,7,9-trioxa-1-azaspiro[4.5]decan-2-one 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:
-
(5R,6R)-1-benzyl-6-[(2'R,3'R)-3'-(hydroxymethyl)oxiran-2'-yl]-8,8-dimethyl-3,7,9-trioxa-1-azaspiro[4.5]decan-2-one;
With
sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; toluene;
at 0 ℃;
for 2.5h;
Inert atmosphere;
With
water; sodium fluoride;
In
tetrahydrofuran; diethyl ether; toluene;
at 20 ℃;
for 1h;
regioselective reaction;
DOI:10.1016/j.tetasy.2012.04.012
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere
2.1: pyridine; dmap / 0.5 h / 20 °C / Inert atmosphere
3.1: water; trifluoroacetic acid / 8.5 h / 20 °C / Inert atmosphere
4.1: benzoic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere
5.1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C / Inert atmosphere
5.2: 1.5 h / 0 - 20 °C
6.1: sodium periodate / methanol; water / 0.5 h / 20 °C / Inert atmosphere
7.1: sodium tetrahydroborate / ethanol / 0.5 h / 0 - 20 °C / Inert atmosphere
8.1: camphor-10-sulfonic acid / 1 h / 40 °C / Inert atmosphere
9.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 27 h / 0 - 20 °C / Inert atmosphere
10.1: sodium bis(2-methoxyethoxy)aluminium dihydride / tetrahydrofuran; toluene / 2.5 h / 0 °C / Inert atmosphere
10.2: 1 h / 20 °C
With
pyridine; dmap; sodium tetrahydroborate; sodium periodate; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; water; diisobutylaluminium hydride; 3-chloro-benzenecarboperoxoic acid; sodium bis(2-methoxyethoxy)aluminium dihydride; benzoic acid; trifluoroacetic acid;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; toluene;
4.1: Wittig reaction;
DOI:10.1016/j.tetasy.2012.04.012
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C / Inert atmosphere
1.2: 1.5 h / 0 - 20 °C
2.1: sodium periodate / methanol; water / 0.5 h / 20 °C / Inert atmosphere
3.1: sodium tetrahydroborate / ethanol / 0.5 h / 0 - 20 °C / Inert atmosphere
4.1: camphor-10-sulfonic acid / 1 h / 40 °C / Inert atmosphere
5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 27 h / 0 - 20 °C / Inert atmosphere
6.1: sodium bis(2-methoxyethoxy)aluminium dihydride / tetrahydrofuran; toluene / 2.5 h / 0 °C / Inert atmosphere
6.2: 1 h / 20 °C
With
sodium tetrahydroborate; sodium periodate; camphor-10-sulfonic acid; diisobutylaluminium hydride; 3-chloro-benzenecarboperoxoic acid; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; toluene;
DOI:10.1016/j.tetasy.2012.04.012