Technology Process of (1R,4aR,10aS)-6-Methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester
There total 10 articles about (1R,4aR,10aS)-6-Methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester which
guide to synthetic route it.
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synthetic route:
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154807-85-9
(1S,4aR,10aS)-6-Methoxy-1,4a-dimethyl-2-oxo-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester
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154807-86-0
(1R,4aR,10aS)-6-Methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester
- Guidance literature:
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With
hydrogenchloride; zinc;
In
diethyl ether;
1.) 0 deg C, 4 h, 2.) r.t., 1 h;
DOI:10.1021/jo00079a006
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154807-86-0
(1R,4aR,10aS)-6-Methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester
- Guidance literature:
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Multi-step reaction with 4 steps
1: 90 percent / 4-(dimethylamino)pyridine / toluene / 72 h / Heating
2: 85 percent / LDA, DMPU / tetrahydrofuran / 1.) 0 deg C, 0.5 h, 2.) 0 deg C, 1 h
3: 50 percent / Mn(OAc)3*2H2O / methanol / 8 h / 0 °C
4: 65 percent / HCl, Zn / diethyl ether / 1.) 0 deg C, 4 h, 2.) r.t., 1 h
With
hydrogenchloride; dmap; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; manganese triacetate; zinc; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; toluene;
DOI:10.1021/jo00079a006
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154807-86-0
(1R,4aR,10aS)-6-Methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid (1S,2R,5S)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester
- Guidance literature:
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Multi-step reaction with 7 steps
1: 82 percent / PCC / CH2Cl2 / 1.5 h / Ambient temperature
2: 75 percent / NaH / tetrahydrofuran / 1.) r.t., 1 h, 2.) 1 h
3: 97 percent / DIBAL / toluene; CH2Cl2 / Ambient temperature
4: PBr3 / tetrahydrofuran / 0.5 h / 0 °C
5: 85 percent / LDA, DMPU / tetrahydrofuran / 1.) 0 deg C, 0.5 h, 2.) 0 deg C, 1 h
6: 50 percent / Mn(OAc)3*2H2O / methanol / 8 h / 0 °C
7: 65 percent / HCl, Zn / diethyl ether / 1.) 0 deg C, 4 h, 2.) r.t., 1 h
With
hydrogenchloride; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; manganese triacetate; phosphorus tribromide; sodium hydride; diisobutylaluminium hydride; pyridinium chlorochromate; zinc; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; toluene;
DOI:10.1021/jo00079a006