Technology Process of (4aS,10aS)-7-isopropyl-6-methoxy-1,1,4a-trimethyl-1,2,3,4,4a,10a-hexahydrophenanthrene
There total 1 articles about (4aS,10aS)-7-isopropyl-6-methoxy-1,1,4a-trimethyl-1,2,3,4,4a,10a-hexahydrophenanthrene 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:
-
Multi-step reaction with 14 steps
1.1: H3PO4 / toluene / 2 h / 100 °C
1.2: (-)-α-methylbenzylamine / diethyl ether; hexane
1.3: 90 percent / HCl / methanol
2.1: 90 percent / K2CO3 / acetone / 3 h / 20 °C
3.1: 90 percent / LiAlH4 / diethyl ether / 1 h / -10 °C
4.1: NaOAc; 4A m.s.; PCC / CH2Cl2 / 1 h / -10 °C
5.1: n-butyllithium / hexane / 1 h / 20 °C
5.2: hexane / 4 h / 20 °C
6.1: H2 / 10 percent Pd/C / ethanol / 20 °C
7.1: 85 percent / BF3*Et2O / CH2Cl2
8.1: 95 percent / AlCl3 / CH2Cl2 / -10 - -5 °C
9.1: 95 percent / tetrahydrofuran / 4 h / 0 °C
10.1: 90 percent / p-TosOH / benzene / 0.5 h / Heating
11.1: 95 percent / H2 / 5 percent Pd/C / ethanol / 20 °C
12.1: 90 percent / CrO3 / acetic acid / 0.5 h / 20 °C
13.1: 95 percent / NaBH4 / methanol / 1 h
14.1: p-Tos / benzene / 0.5 h / Heating
With
chromium(VI) oxide; sodium tetrahydroborate; lithium aluminium tetrahydride; n-butyllithium; aluminium trichloride; phosphoric acid; boron trifluoride diethyl etherate; hydrogen; sodium acetate; potassium carbonate; toluene-4-sulfonic acid; pyridinium chlorochromate;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; diethyl ether; ethanol; hexane; dichloromethane; acetic acid; acetone; toluene; benzene;
1.1: Cyclization / 1.2: Acylation / 1.3: Hydrolysis / 2.1: Esterification / 3.1: Reduction / 4.1: Oxidation / 5.1: Metallation / 5.2: Substitution / 6.1: Catalytic hydrogenation / 7.1: Cyclization / 8.1: Acetylation / 9.1: Methylation / 10.1: Dehydration / 11.1: Catalytic hydrogenation / 12.1: Oxidation / 13.1: Reduction / 14.1: Dehydration;
DOI:10.1016/S0957-4166(00)00007-0
- Guidance literature:
-
6,7-dehydroferruginyl methyl ether;
With
ozone;
In
dichloromethane;
at -78 ℃;
With
triphenylphosphine;
In
dichloromethane;
at -78 - 20 ℃;
for 3h;
Further stages.;
DOI:10.1016/j.bmc.2007.01.031
- Guidance literature:
-
(4aS,10aS)-7-isopropyl-6-methoxy-1,1,4a-trimethyl-1,2,3,4,4a,10a-hexahydrophenanthrene;
With
3,3-dimethyldioxirane;
In
dichloromethane; acetone;
at 25 ℃;
for 0.333333h;
With
sodium thioethylate;
In
dichloromethane; N,N-dimethyl-formamide; acetone;
at 90 ℃;
for 8h;
DOI:10.1016/j.tetlet.2013.06.048