Technology Process of (2R,3R)-1-acetoxy-3-methoxy-5-(4-methoxyphenyl)-2-methyl-(4E)-pentene
There total 12 articles about (2R,3R)-1-acetoxy-3-methoxy-5-(4-methoxyphenyl)-2-methyl-(4E)-pentene 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:
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 42 percent / Zn / benzene / 1 h / Heating
2: 92 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / diethyl ether / 0.5 h / Ambient temperature
3: 14 percent / Zn(BH4)2 / diethyl ether / 0 °C
4: 96 percent / LiBH4 / tetrahydrofuran / 0.5 h / Ambient temperature
5: 86 percent / imidazole / dimethylformamide / 2 h / 0 °C
6: 97 percent / KH / tetrahydrofuran / 3 h / Ambient temperature
7: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 4 h / Ambient temperature
8: 2,2,4-trimethyl-pentane; diisopropyl ether / 40 h / 33 °C / lipase "Nagase P" (Pseudomonas sp.)
With
1H-imidazole; lithium borohydride; zinc(II) tetrahydroborate; tetrabutyl ammonium fluoride; potassium hydride; 2,3-dicyano-5,6-dichloro-p-benzoquinone; zinc;
In
tetrahydrofuran; 2,2,4-trimethylpentane; diethyl ether; di-isopropyl ether; N,N-dimethyl-formamide; benzene;
DOI:10.1248/cpb.43.1111
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 2 percent / Zn(BH4)2 / diethyl ether / 0 °C
2: 96 percent / LiBH4 / tetrahydrofuran / 0.25 h / Ambient temperature
3: 85 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / diethyl ether / 0.25 h / Ambient temperature
4: Zn(BH4)2 / diethyl ether / 1 h / 0 °C
5: 86 percent / imidazole / dimethylformamide / 2 h / 0 °C
6: 97 percent / KH / tetrahydrofuran / 3 h / Ambient temperature
7: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 4 h / Ambient temperature
8: 2,2,4-trimethyl-pentane; diisopropyl ether / 40 h / 33 °C / lipase "Nagase P" (Pseudomonas sp.)
With
1H-imidazole; lithium borohydride; zinc(II) tetrahydroborate; tetrabutyl ammonium fluoride; potassium hydride; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; 2,2,4-trimethylpentane; diethyl ether; di-isopropyl ether; N,N-dimethyl-formamide;
DOI:10.1248/cpb.43.1111
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 92 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / diethyl ether / 0.5 h / Ambient temperature
2: 14 percent / Zn(BH4)2 / diethyl ether / 0 °C
3: 96 percent / LiBH4 / tetrahydrofuran / 0.5 h / Ambient temperature
4: 86 percent / imidazole / dimethylformamide / 2 h / 0 °C
5: 97 percent / KH / tetrahydrofuran / 3 h / Ambient temperature
6: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 4 h / Ambient temperature
7: 2,2,4-trimethyl-pentane; diisopropyl ether / 40 h / 33 °C / lipase "Nagase P" (Pseudomonas sp.)
With
1H-imidazole; lithium borohydride; zinc(II) tetrahydroborate; tetrabutyl ammonium fluoride; potassium hydride; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; 2,2,4-trimethylpentane; diethyl ether; di-isopropyl ether; N,N-dimethyl-formamide;
DOI:10.1248/cpb.43.1111