Technology Process of (1R,2R,4aS,6R,8R,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2,6-dimethyl-8-hydroxy-1-(<(R)-(O-methylmandelyl)oxy>methyl)naphthalene
There total 12 articles about (1R,2R,4aS,6R,8R,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2,6-dimethyl-8-hydroxy-1-(<(R)-(O-methylmandelyl)oxy>methyl)naphthalene 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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101761-22-2
(1RS,2SR,6SR,8SR,8aRS)-1,2,3,5,6,7,8,8a-octahydro-2,6-dimethyl-1-ethynyl-8-hydroxynaphthalene
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101761-31-3
(1R,2R,4aS,6R,8R,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2,6-dimethyl-8-hydroxy-1-(<(R)-(O-methylmandelyl)oxy>methyl)naphthalene
- Guidance literature:
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Multi-step reaction with 10 steps
1: 99 percent / quinoline, hydrogen / Pd/BaSO4 / 50 h
2: 92 percent / 4-(dimethylamino)pyridine / pyridine / 7 h / 60 °C / Heating
3: 95 percent / m-PCBA / CH2Cl2 / 1 h / 0 °C
4: 100 percent / boron trifluoride etherate / benzene / 11 h / Ambient temperature
5: 85 percent / ozone, dimethyl sulfide / CH2Cl2 / 18 h / 40 °C / Heating
6: 91 percent / DBU / CH2Cl2 / 1 h / Ambient temperature
7: 93 percent / Li(t-BuO)3AlH / tetrahydrofuran / -78 °C
8: 85 percent / HCl / methanol / 15 h / 0 °C
9: 1.) MeLi, TMEDA; 2.) KOH / 1.) diethyl ether, 0 deg C, 10 min; 2.) methanol, 15 min
10: DMAP, 1,3-dicyclohexylcarbodiimide / CH2Cl2 / 0 °C
With
quinoline; hydrogenchloride; dmap; potassium hydroxide; dimethylsulfide; N,N,N,N,-tetramethylethylenediamine; boron trifluoride diethyl etherate; methyllithium; hydrogen; ozone; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium tri-t-butoxyaluminum hydride; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide;
Pd-BaSO4;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; benzene;
DOI:10.1021/ja00275a053
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99342-52-6
(3aRS,4SR,8SR,9aSR,9bRS)-2,3,3a,4,5,7,8,9,9a,9b-decahydro-3-oxo-4,8-dimethylnaphtho<1,8-bc>pyran
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101761-31-3
(1R,2R,4aS,6R,8R,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2,6-dimethyl-8-hydroxy-1-(<(R)-(O-methylmandelyl)oxy>methyl)naphthalene
- Guidance literature:
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Multi-step reaction with 12 steps
1: 94 percent / methanol / 18 h / Ambient temperature
2: 86 percent / n-BuLi / hexane; diethyl ether; tetrahydrofuran / 1 h / 2 °C
3: 99 percent / quinoline, hydrogen / Pd/BaSO4 / 50 h
4: 92 percent / 4-(dimethylamino)pyridine / pyridine / 7 h / 60 °C / Heating
5: 95 percent / m-PCBA / CH2Cl2 / 1 h / 0 °C
6: 100 percent / boron trifluoride etherate / benzene / 11 h / Ambient temperature
7: 85 percent / ozone, dimethyl sulfide / CH2Cl2 / 18 h / 40 °C / Heating
8: 91 percent / DBU / CH2Cl2 / 1 h / Ambient temperature
9: 93 percent / Li(t-BuO)3AlH / tetrahydrofuran / -78 °C
10: 85 percent / HCl / methanol / 15 h / 0 °C
11: 1.) MeLi, TMEDA; 2.) KOH / 1.) diethyl ether, 0 deg C, 10 min; 2.) methanol, 15 min
12: DMAP, 1,3-dicyclohexylcarbodiimide / CH2Cl2 / 0 °C
With
quinoline; hydrogenchloride; dmap; potassium hydroxide; n-butyllithium; dimethylsulfide; N,N,N,N,-tetramethylethylenediamine; boron trifluoride diethyl etherate; methyllithium; hydrogen; ozone; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium tri-t-butoxyaluminum hydride; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide;
Pd-BaSO4;
In
tetrahydrofuran; pyridine; methanol; diethyl ether; hexane; dichloromethane; benzene;
DOI:10.1021/ja00275a053
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101773-26-6
(3aRS,4SR,8SR,9aSR,9bRS)-2,3,3a,4,5,7,8,9,9a,9b-decahydro-4,8-dimethyl-3-oxonaphtho<1,8-bc>pyran p-toluenesulfonylhydrazone
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101761-31-3
(1R,2R,4aS,6R,8R,8aR)-1,2,4a,5,6,7,8,8a-octahydro-2,6-dimethyl-8-hydroxy-1-(<(R)-(O-methylmandelyl)oxy>methyl)naphthalene
- Guidance literature:
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Multi-step reaction with 11 steps
1: 86 percent / n-BuLi / hexane; diethyl ether; tetrahydrofuran / 1 h / 2 °C
2: 99 percent / quinoline, hydrogen / Pd/BaSO4 / 50 h
3: 92 percent / 4-(dimethylamino)pyridine / pyridine / 7 h / 60 °C / Heating
4: 95 percent / m-PCBA / CH2Cl2 / 1 h / 0 °C
5: 100 percent / boron trifluoride etherate / benzene / 11 h / Ambient temperature
6: 85 percent / ozone, dimethyl sulfide / CH2Cl2 / 18 h / 40 °C / Heating
7: 91 percent / DBU / CH2Cl2 / 1 h / Ambient temperature
8: 93 percent / Li(t-BuO)3AlH / tetrahydrofuran / -78 °C
9: 85 percent / HCl / methanol / 15 h / 0 °C
10: 1.) MeLi, TMEDA; 2.) KOH / 1.) diethyl ether, 0 deg C, 10 min; 2.) methanol, 15 min
11: DMAP, 1,3-dicyclohexylcarbodiimide / CH2Cl2 / 0 °C
With
quinoline; hydrogenchloride; dmap; potassium hydroxide; n-butyllithium; dimethylsulfide; N,N,N,N,-tetramethylethylenediamine; boron trifluoride diethyl etherate; methyllithium; hydrogen; ozone; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium tri-t-butoxyaluminum hydride; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide;
Pd-BaSO4;
In
tetrahydrofuran; pyridine; methanol; diethyl ether; hexane; dichloromethane; benzene;
DOI:10.1021/ja00275a053