Technology Process of (3S,3aS,5S,6aR,7aS,8R,11R,11aS,11bR,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-11-ol
There total 15 articles about (3S,3aS,5S,6aR,7aS,8R,11R,11aS,11bR,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-11-ol 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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130146-59-7,149400-18-0,149400-43-1
(3S,3aS,5S,6aR,7aS,8R,11R,11aS,11bR,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-11-ol
- Guidance literature:
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Multi-step reaction with 13 steps
1: 72 percent / LiClO4 / diethyl ether / 9 h / Ambient temperature
2: 1.) NaBH4, 2.) concd. HCl / 1.) methanol, 0 deg C
3: 86 percent / imidazole / dimethylformamide
4: 100 percent / i-Bu2AlH / tetrahydrofuran / -78 °C
5: 100 percent / concd. HCl / tetrahydrofuran
6: 1.) B2H6, 2.) 3 N NaOH, 30percent H2O2 / 1.) THF, 0 deg C
7: PCC, NaOAc / CH2Cl2
8: 1.) LDA / 1.) THF, from -78 deg C to 0 deg C, 2.) -78 deg C
9: Pd(OAc)2, Na2CO3 / acetonitrile / 45 °C
10: 81 percent / lithium, liquid ammonia, tert-butyl alcohol / -78 °C
11: methanol; tetrahydrofuran
12: n-butyllithium / -78 °C
With
1H-imidazole; hydrogenchloride; palladium diacetate; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; ammonia; dihydrogen peroxide; sodium acetate; lithium perchlorate; lithium; diisobutylaluminium hydride; sodium carbonate; pyridinium chlorochromate; diborane; tert-butyl alcohol; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ja00181a079
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86669-09-2,87758-23-4,123929-85-1
(4aR,5S,8S,8aR)-8-Methoxy-5,8a-dimethyl-3-oxo-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-2-carbaldehyde
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130146-59-7,149400-18-0,149400-43-1
(3S,3aS,5S,6aR,7aS,8R,11R,11aS,11bR,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-11-ol
- Guidance literature:
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Multi-step reaction with 13 steps
1: 72 percent / LiClO4 / diethyl ether / 9 h / Ambient temperature
2: 1.) NaBH4, 2.) concd. HCl / 1.) methanol, 0 deg C
3: 86 percent / imidazole / dimethylformamide
4: 100 percent / i-Bu2AlH / tetrahydrofuran / -78 °C
5: 100 percent / concd. HCl / tetrahydrofuran
6: 1.) B2H6, 2.) 3 N NaOH, 30percent H2O2 / 1.) THF, 0 deg C
7: PCC, NaOAc / CH2Cl2
8: 1.) LDA / 1.) THF, from -78 deg C to 0 deg C, 2.) -78 deg C
9: Pd(OAc)2, Na2CO3 / acetonitrile / 45 °C
10: 81 percent / lithium, liquid ammonia, tert-butyl alcohol / -78 °C
11: methanol; tetrahydrofuran
12: n-butyllithium / -78 °C
With
1H-imidazole; hydrogenchloride; palladium diacetate; sodium hydroxide; sodium tetrahydroborate; n-butyllithium; ammonia; dihydrogen peroxide; sodium acetate; lithium perchlorate; lithium; diisobutylaluminium hydride; sodium carbonate; pyridinium chlorochromate; diborane; tert-butyl alcohol; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ja00181a079
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125458-63-1,149400-06-6
(3aS,6aR,7aS,8R,11R,11aS,11bS,11cS)-11c-Hydroxymethyl-11-methoxy-3,8,11a-trimethyl-3a,4,6a,7,7a,8,9,10,11,11a,11b,11c-dodecahydro-1H-6-oxa-benzo[de]anthracen-5-one
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130146-59-7,149400-18-0,149400-43-1
(3S,3aS,5S,6aR,7aS,8R,11R,11aS,11bR,11cS)-11c-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-3,8,11a-trimethyl-3,3a,4,5,6a,7,7a,8,9,10,11,11a,11b,11c-tetradecahydro-6-oxa-benzo[de]anthracen-11-ol
- Guidance literature:
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Multi-step reaction with 11 steps
1: 86 percent / imidazole / dimethylformamide
2: 100 percent / i-Bu2AlH / tetrahydrofuran / -78 °C
3: 100 percent / concd. HCl / tetrahydrofuran
4: 1.) B2H6, 2.) 3 N NaOH, 30percent H2O2 / 1.) THF, 0 deg C
5: PCC, NaOAc / CH2Cl2
6: 1.) LDA / 1.) THF, from -78 deg C to 0 deg C, 2.) -78 deg C
7: Pd(OAc)2, Na2CO3 / acetonitrile / 45 °C
8: 81 percent / lithium, liquid ammonia, tert-butyl alcohol / -78 °C
9: methanol; tetrahydrofuran
10: n-butyllithium / -78 °C
With
1H-imidazole; hydrogenchloride; palladium diacetate; sodium hydroxide; n-butyllithium; ammonia; dihydrogen peroxide; sodium acetate; lithium; diisobutylaluminium hydride; sodium carbonate; pyridinium chlorochromate; diborane; tert-butyl alcohol; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ja00181a079