Technology Process of methyl (5R,6S,7R,8R)-5,7-dihydroxy-6-methyl-8-[(tert-butyldimethylsilyl)oxy]-8-phenyloct-2(E)-enoate
There total 8 articles about methyl (5R,6S,7R,8R)-5,7-dihydroxy-6-methyl-8-[(tert-butyldimethylsilyl)oxy]-8-phenyloct-2(E)-enoate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 8 steps
1.1: 100 percent / diethyl ether
2.1: Me3Al / benzene; hexane / 0 - 20 °C
2.2: 93 percent / benzene / 20 °C
3.1: 93 percent / Et3N / CH2Cl2 / 3 h / 0 °C
4.1: 94 percent / tetrahydrofuran; diethyl ether / 5 h / 0 °C
5.1: diisopropylethylamine; dibutylboron triflate / CH2Cl2 / -78 - 0 °C
5.2: 65 percent / CH2Cl2 / -78 - 0 °C
6.1: 87 percent / trichloroacetic acid; water / CH2Cl2 / 1 h / 20 °C
7.1: LiCl; diisopropylethylamine / acetonitrile / 0.08 h
7.2: 77 percent / acetonitrile / 3 h / 20 °C
8.1: 70 percent / LiBH4 / tetrahydrofuran / -78 - -30 °C
With
lithium borohydride; di-n-butylboryl trifluoromethanesulfonate; water; trimethylaluminum; triethylamine; N-ethyl-N,N-diisopropylamine; lithium chloride; trichloroacetic acid;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; acetonitrile; benzene;
1.1: Methylation / 2.1: Metallation / 2.2: Substitution / 3.1: silylation / 4.1: Grignard reaction / 5.1: Addition / 5.2: Condensation / 6.1: Hydrolysis / 7.1: deprotonation / 7.2: Condensation / 8.1: Reduction;
DOI:10.1016/S0040-4020(00)00255-6
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: Me3Al / benzene; hexane / 0 - 20 °C
1.2: 93 percent / benzene / 20 °C
2.1: 93 percent / Et3N / CH2Cl2 / 3 h / 0 °C
3.1: 94 percent / tetrahydrofuran; diethyl ether / 5 h / 0 °C
4.1: diisopropylethylamine; dibutylboron triflate / CH2Cl2 / -78 - 0 °C
4.2: 65 percent / CH2Cl2 / -78 - 0 °C
5.1: 87 percent / trichloroacetic acid; water / CH2Cl2 / 1 h / 20 °C
6.1: LiCl; diisopropylethylamine / acetonitrile / 0.08 h
6.2: 77 percent / acetonitrile / 3 h / 20 °C
7.1: 70 percent / LiBH4 / tetrahydrofuran / -78 - -30 °C
With
lithium borohydride; di-n-butylboryl trifluoromethanesulfonate; water; trimethylaluminum; triethylamine; N-ethyl-N,N-diisopropylamine; lithium chloride; trichloroacetic acid;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; acetonitrile; benzene;
1.1: Metallation / 1.2: Substitution / 2.1: silylation / 3.1: Grignard reaction / 4.1: Addition / 4.2: Condensation / 5.1: Hydrolysis / 6.1: deprotonation / 6.2: Condensation / 7.1: Reduction;
DOI:10.1016/S0040-4020(00)00255-6