Technology Process of 2-(6-{(1E,4R)-5-[(4-methoxyphenyl)methoxy]-2-methyl-2-(1,1,2,2-tetramethyl-1-silapropoxy)pent-1-enyl}(2S,6R)-4-methylene-2,3,5,6-tetrahydropyran-2-yl)ethan-1-ol
There total 9 articles about 2-(6-{(1E,4R)-5-[(4-methoxyphenyl)methoxy]-2-methyl-2-(1,1,2,2-tetramethyl-1-silapropoxy)pent-1-enyl}(2S,6R)-4-methylene-2,3,5,6-tetrahydropyran-2-yl)ethan-1-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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858917-26-7
(4E,2R)-5-{(6S,2R)-6-[2-(2,2-dimethyl-1,1-diphenyl-1-silapropoxy)ethyl]-4-methylene-(2,3,5,6-tetrahydropyran-2-yl)}-1-[(4-methoxyphenyl)methoxy]-4-methyl-2-(1,1,2,2-tetramethyl-1-silapropoxy)pent-4-ene
- Guidance literature:
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With
tetrabutyl ammonium fluoride; acetic acid;
In
N,N-dimethyl-formamide;
at 20 ℃;
for 15h;
DOI:10.1021/ol051040g
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: (R)-BINOL; Ti(OiPr)4; TFA / molecular sieves 4 Angstroem / CH2Cl2 / 120 h / -20 °C
2.1: 97 percent / imidazole / dimethylformamide / 8 h / 20 °C
3.1: NaH / tetrahydrofuran / 2 h / 20 °C
4.1: 93 percent / LAH / diethyl ether / 0 - 20 °C
5.1: 4 Angstroem molecular sieves; NMO; TPAP / CH2Cl2 / 0.5 h / 20 °C
6.1: TMSOTf / diethyl ether / 0.67 h / -78 °C
6.2: 85 percent / Huenig's base / diethyl ether / 0.17 h / 0 °C
7.1: 89 percent / TBAF; HOAc / dimethylformamide / 15 h / 20 °C
With
1H-imidazole; titanium(IV) isopropylate; lithium aluminium tetrahydride; N-methyl-2-indolinone; tetrapropylammonium perruthennate; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; tetrabutyl ammonium fluoride; (R)-1,1'-Bi-2-naphthol; sodium hydride; acetic acid; trifluoroacetic acid;
4 A molecular sieve;
In
tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ol051040g
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: (R)-BINOL; Ti(OiPr)4; TFA / molecular sieves 4 Angstroem / CH2Cl2 / 120 h / -20 °C
2.1: 97 percent / imidazole / dimethylformamide / 8 h / 20 °C
3.1: NaH / tetrahydrofuran / 2 h / 20 °C
4.1: 93 percent / LAH / diethyl ether / 0 - 20 °C
5.1: 4 Angstroem molecular sieves; NMO; TPAP / CH2Cl2 / 0.5 h / 20 °C
6.1: TMSOTf / diethyl ether / 0.67 h / -78 °C
6.2: 85 percent / Huenig's base / diethyl ether / 0.17 h / 0 °C
7.1: 89 percent / TBAF; HOAc / dimethylformamide / 15 h / 20 °C
With
1H-imidazole; titanium(IV) isopropylate; lithium aluminium tetrahydride; N-methyl-2-indolinone; tetrapropylammonium perruthennate; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; tetrabutyl ammonium fluoride; (R)-1,1'-Bi-2-naphthol; sodium hydride; acetic acid; trifluoroacetic acid;
4 A molecular sieve;
In
tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ol051040g