Technology Process of 2-[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-ethanol
There total 11 articles about 2-[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-ethanol 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:
-
-
[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-acetic acid ethyl ester
-
-
494760-72-4
2-[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-ethanol
- Guidance literature:
-
With
lithium aluminium tetrahydride;
In
diethyl ether;
at 0 ℃;
for 0.666667h;
DOI:10.1021/ja036984k
-
-
494760-72-4
2-[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-ethanol
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: cyclohexene; BH3*SMe2 / tetrahydrofuran / 1 h / 0 °C
1.2: 95 percent / aq. NaOH; aq. H2O2 / tetrahydrofuran / 1 h / 0 °C
2.1: aq. KBr; TEMPO; NaClO / NaHCO3 / CH2Cl2 / 1 h / 0 °C
3.1: BF3*OEt3 / CH2Cl2 / -78 - 0 °C
4.1: 2.58 g / TBAF / tetrahydrofuran / 10 h / Heating
5.1: 94 percent / N-methylmorpholine / CH2Cl2 / 12 h / 20 °C
6.1: 94 percent / NaHCO3; MeI; H2O / acetonitrile / 2.5 h / 50 °C
7.1: 98 percent / SmI2; MeOH / tetrahydrofuran / 0.33 h / 0 °C
8.1: 2,6-lutidine / CH2Cl2 / 2 h / 0 °C
9.1: 695 mg / LiAlH4 / diethyl ether / 0.67 h / 0 °C
With
4-methyl-morpholine; 2,6-dimethylpyridine; methanol; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; lithium aluminium tetrahydride; samarium diiodide; dimethylsulfide borane complex; boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; water; sodium hydrogencarbonate; potassium bromide; cyclohexene; methyl iodide;
sodium hydrogencarbonate;
In
tetrahydrofuran; diethyl ether; dichloromethane; acetonitrile;
7.1: Nakata reaction;
DOI:10.1021/ja036984k
-
-
494760-72-4
2-[(2R,3S,4aR,5S,7S,8aR,9aS,10aS)-5-Benzyloxy-7-(3-benzyloxy-propyl)-3-(tert-butyl-dimethyl-silanyloxy)-4a,10a-dimethyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-ethanol
- Guidance literature:
-
Multi-step reaction with 8 steps
1: aq. KBr; TEMPO; NaClO / NaHCO3 / CH2Cl2 / 1 h / 0 °C
2: BF3*OEt3 / CH2Cl2 / -78 - 0 °C
3: 2.58 g / TBAF / tetrahydrofuran / 10 h / Heating
4: 94 percent / N-methylmorpholine / CH2Cl2 / 12 h / 20 °C
5: 94 percent / NaHCO3; MeI; H2O / acetonitrile / 2.5 h / 50 °C
6: 98 percent / SmI2; MeOH / tetrahydrofuran / 0.33 h / 0 °C
7: 2,6-lutidine / CH2Cl2 / 2 h / 0 °C
8: 695 mg / LiAlH4 / diethyl ether / 0.67 h / 0 °C
With
4-methyl-morpholine; 2,6-dimethylpyridine; methanol; 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; lithium aluminium tetrahydride; samarium diiodide; boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; water; sodium hydrogencarbonate; potassium bromide; methyl iodide;
sodium hydrogencarbonate;
In
tetrahydrofuran; diethyl ether; dichloromethane; acetonitrile;
6: Nakata reaction;
DOI:10.1021/ja036984k