Technology Process of tert-Butyl-{(1S,2S,4aR,5R)-2,5-dimethyl-5-phenylsulfanylmethyl-1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ylmethoxy}-dimethyl-silane
There total 12 articles about tert-Butyl-{(1S,2S,4aR,5R)-2,5-dimethyl-5-phenylsulfanylmethyl-1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ylmethoxy}-dimethyl-silane which
guide to synthetic route it.
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synthetic route:
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535932-88-8
tert-Butyl-{(1S,2S,4aR,5R)-2,5-dimethyl-5-phenylsulfanylmethyl-1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ylmethoxy}-dimethyl-silane
- Guidance literature:
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With
pyridine; thionyl chloride;
at 0 ℃;
for 0.75h;
DOI:10.1021/jo020743y
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535932-88-8
tert-Butyl-{(1S,2S,4aR,5R)-2,5-dimethyl-5-phenylsulfanylmethyl-1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ylmethoxy}-dimethyl-silane
- Guidance literature:
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Multi-step reaction with 6 steps
1.1: 79 percent / Bu3P; pyridine / 1.5 h / 60 °C
2.1: BuLi; diisopropylamine / hexane; tetrahydrofuran / 0.5 h / 0 °C
2.2: 97 percent / HMPA / hexane; tetrahydrofuran / 2 h / 0 °C
3.1: DIBALH / hexane; toluene / 0.5 h / -78 °C
4.1: 413 mg / LiBH4 / tetrahydrofuran / 19 h / 40 °C
5.1: 92 percent / imidazole / dimethylformamide / 1 h / 20 °C
6.1: 97 percent / SOCl2; pyridine / 0.75 h / 0 °C
With
pyridine; 1H-imidazole; lithium borohydride; n-butyllithium; thionyl chloride; tributylphosphine; diisobutylaluminium hydride; diisopropylamine;
In
tetrahydrofuran; hexane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo020743y
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535932-88-8
tert-Butyl-{(1S,2S,4aR,5R)-2,5-dimethyl-5-phenylsulfanylmethyl-1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ylmethoxy}-dimethyl-silane
- Guidance literature:
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Multi-step reaction with 10 steps
1.1: 95 percent / DCC; DMAP / toluene / 0.5 h / 0 °C
2.1: 84 percent / ethyl propiolate; pyridine / toluene / 61 h / Heating
3.1: H2; PtO2 / acetic acid / 30 h / 20 °C / 3040 Torr
4.1: 369 mg / tetra-n-butylammonium fluoride / tetrahydrofuran / 1 h / 20 °C
5.1: 79 percent / Bu3P; pyridine / 1.5 h / 60 °C
6.1: BuLi; diisopropylamine / hexane; tetrahydrofuran / 0.5 h / 0 °C
6.2: 97 percent / HMPA / hexane; tetrahydrofuran / 2 h / 0 °C
7.1: DIBALH / hexane; toluene / 0.5 h / -78 °C
8.1: 413 mg / LiBH4 / tetrahydrofuran / 19 h / 40 °C
9.1: 92 percent / imidazole / dimethylformamide / 1 h / 20 °C
10.1: 97 percent / SOCl2; pyridine / 0.75 h / 0 °C
With
pyridine; 1H-imidazole; dmap; platinum(IV) oxide; lithium borohydride; n-butyllithium; thionyl chloride; tributylphosphine; tetrabutyl ammonium fluoride; hydrogen; diisobutylaluminium hydride; diisopropylamine; dicyclohexyl-carbodiimide; propynoic acid ethyl ester;
In
tetrahydrofuran; hexane; acetic acid; N,N-dimethyl-formamide; toluene;
2.1: intramolecular Diels-Alder reaction;
DOI:10.1021/jo020743y