Technology Process of 1-((Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-13-Benzyloxy-3-methoxymethoxy-2,4,6,8,10,12-hexamethyl-5,11-bis-triisopropylsilanyloxy-tridec-8-enyloxymethyl)-4-methoxy-benzene
There total 15 articles about 1-((Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-13-Benzyloxy-3-methoxymethoxy-2,4,6,8,10,12-hexamethyl-5,11-bis-triisopropylsilanyloxy-tridec-8-enyloxymethyl)-4-methoxy-benzene which
guide to synthetic route it.
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synthetic route:
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600737-66-4
1-((Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-13-Benzyloxy-3-methoxymethoxy-2,4,6,8,10,12-hexamethyl-5,11-bis-triisopropylsilanyloxy-tridec-8-enyloxymethyl)-4-methoxy-benzene
- Guidance literature:
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Multi-step reaction with 10 steps
1: oxalyl chloride; DMSO / CH2Cl2 / 1 h / -78 °C
2: 4.72 g / TiCl4 / CH2Cl2 / 1 h / -78 °C
3: 98 percent / CeCl3*7H2O; NaBH4 / methanol / 0.25 h / 0 °C
4: TsOH / tetrahydrofuran; H2O / 7 h / Heating
5: 1.58 g / lithium borohydride / tetrahydrofuran / 4 h / 0 °C
6: 88 percent / triethylamine; DMAP / CH2Cl2 / 24 h / 20 °C
7: triethylamine / CH2Cl2 / 24 h
8: 3.61 g / DIBAL-H / CH2Cl2; toluene / 0.33 h / -78 °C
9: 96 percent / triphenyl phosphite methiodide / dimethylformamide / 0.5 h
With
dmap; sodium tetrahydroborate; lithium borohydride; cerium(III) chloride; oxalyl dichloride; triphenyl phosphite methiodide; titanium tetrachloride; diisobutylaluminium hydride; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;
1: Swern oxidation / 3: Luche reduction / 4: Ferrier rearrangement;
DOI:10.1021/jo034521r
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600737-66-4
1-((Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-13-Benzyloxy-3-methoxymethoxy-2,4,6,8,10,12-hexamethyl-5,11-bis-triisopropylsilanyloxy-tridec-8-enyloxymethyl)-4-methoxy-benzene
- Guidance literature:
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Multi-step reaction with 9 steps
1: 4.72 g / TiCl4 / CH2Cl2 / 1 h / -78 °C
2: 98 percent / CeCl3*7H2O; NaBH4 / methanol / 0.25 h / 0 °C
3: TsOH / tetrahydrofuran; H2O / 7 h / Heating
4: 1.58 g / lithium borohydride / tetrahydrofuran / 4 h / 0 °C
5: 88 percent / triethylamine; DMAP / CH2Cl2 / 24 h / 20 °C
6: triethylamine / CH2Cl2 / 24 h
7: 3.61 g / DIBAL-H / CH2Cl2; toluene / 0.33 h / -78 °C
8: 96 percent / triphenyl phosphite methiodide / dimethylformamide / 0.5 h
With
dmap; sodium tetrahydroborate; lithium borohydride; cerium(III) chloride; triphenyl phosphite methiodide; titanium tetrachloride; diisobutylaluminium hydride; toluene-4-sulfonic acid; triethylamine;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;
2: Luche reduction / 3: Ferrier rearrangement;
DOI:10.1021/jo034521r
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600737-66-4
1-((Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-13-Benzyloxy-3-methoxymethoxy-2,4,6,8,10,12-hexamethyl-5,11-bis-triisopropylsilanyloxy-tridec-8-enyloxymethyl)-4-methoxy-benzene
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: Bu2BOTf; triethylamine / CH2Cl2 / 1.5 h / -78 - 0 °C
1.2: 20.09 g / CH2Cl2 / 12 h / -78 - 20 °C
2.1: 86 percent / trimethylaluminium / tetrahydrofuran; benzene / 3.5 h / 0 °C
3.1: 13.0 g / diisopropylethylamine; (nBu)4N(1+)*I(1-) / 2.5 h / 0 °C
4.1: 10.8 g / tetrahydrofuran; diethyl ether / 7 h / 0 °C
With
di-n-butylboryl trifluoromethanesulfonate; trimethylaluminum; tetra-(n-butyl)ammonium iodide; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; diethyl ether; dichloromethane; benzene;
1.2: Evans aldol reaction;
DOI:10.1021/jo034521r