Technology Process of (-)-benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-hydroxymethul-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester
There total 14 articles about (-)-benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-hydroxymethul-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester 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:
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669010-52-0
Benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-(tert-butyl-dimethyl-silanyloxymethyl)-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester
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669010-41-7
(-)-benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-hydroxymethul-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester
- Guidance literature:
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With
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
at 20 ℃;
DOI:10.1021/ol036338q
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669010-36-0
[(1S,2S,4aS,5S,8S,8aS)-2-(1-Ethoxy-ethoxymethyl)-3,8-dimethyl-5-triisopropylsilanyloxy-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl]-methanol
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669010-41-7
(-)-benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-hydroxymethul-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester
- Guidance literature:
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Multi-step reaction with 11 steps
1.1: 98 percent / imidazole / CH2Cl2 / 20 °C
2.1: 87 percent / HCl / tetrahydrofuran / 20 °C
3.1: 78 percent / Dess-Martin periodinane / CH2Cl2 / 20 °C
4.1: 93 percent / PPh3 / CH2Cl2 / 20 °C
5.1: 73 percent / n-BuLi / tetrahydrofuran / -78 - 0 °C
6.1: Cp2ZrCl2 / H2O; CH2Cl2 / -20 - 0 °C
6.2: 86 percent / I2 / tetrahydrofuran / 0 °C
7.1: 99 percent / PdCl2(PPh3)2 / tetrahydrofuran / 20 °C
8.1: 95 percent / TBAG / tetrahydrofuran / Heating
9.1: 86 percent / imidazole / CH2Cl2 / 20 °C
10.1: 93 percent / DMAP / CH2Cl2 / 0 - 20 °C
11.1: 89 percent / TBAF / tetrahydrofuran / 20 °C
With
1H-imidazole; hydrogenchloride; dmap; n-butyllithium; tetrabutyl ammonium fluoride; Dess-Martin periodane; triphenylphosphine;
bis-triphenylphosphine-palladium(II) chloride; zirconocene dichloride;
In
tetrahydrofuran; dichloromethane; water;
DOI:10.1021/ol036338q
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669010-34-8
(1S,2S,4aS,5S,8S,8aR)-2-Hydroxymethyl-3,8-dimethyl-5-triisopropylsilanyloxy-1,2,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylic acid methoxy-methyl-amide
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669010-41-7
(-)-benzoic acid (1S,4S,4aS,5S,6R,8aS)-5-hydroxymethul-4,7-dimethyl-6-((E)-1-methyl-propenyl)-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl ester
- Guidance literature:
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Multi-step reaction with 13 steps
1.1: 90 percent / PPTS / CH2Cl2 / 20 °C
2.1: 89 percent / BH3-NH3; LDA / tetrahydrofuran / 0 - 20 °C
3.1: 98 percent / imidazole / CH2Cl2 / 20 °C
4.1: 87 percent / HCl / tetrahydrofuran / 20 °C
5.1: 78 percent / Dess-Martin periodinane / CH2Cl2 / 20 °C
6.1: 93 percent / PPh3 / CH2Cl2 / 20 °C
7.1: 73 percent / n-BuLi / tetrahydrofuran / -78 - 0 °C
8.1: Cp2ZrCl2 / H2O; CH2Cl2 / -20 - 0 °C
8.2: 86 percent / I2 / tetrahydrofuran / 0 °C
9.1: 99 percent / PdCl2(PPh3)2 / tetrahydrofuran / 20 °C
10.1: 95 percent / TBAG / tetrahydrofuran / Heating
11.1: 86 percent / imidazole / CH2Cl2 / 20 °C
12.1: 93 percent / DMAP / CH2Cl2 / 0 - 20 °C
13.1: 89 percent / TBAF / tetrahydrofuran / 20 °C
With
1H-imidazole; hydrogenchloride; dmap; n-butyllithium; borane-ammonia complex; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; Dess-Martin periodane; triphenylphosphine; lithium diisopropyl amide;
bis-triphenylphosphine-palladium(II) chloride; zirconocene dichloride;
In
tetrahydrofuran; dichloromethane; water;
DOI:10.1021/ol036338q