Technology Process of (E)-(S)-3-Isopropyl-3-phenyl-hex-4-enoic acid ethyl ester
There total 7 articles about (E)-(S)-3-Isopropyl-3-phenyl-hex-4-enoic acid ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 27.6 g / diethyl ether / 2 h
2: 42 percent / Burkholderia cepacia lipase / diethyl ether; various solvent(s)
3: 93 percent / aq. KOH / ethanol / 4 h / Heating
4: propionic acid / 150 °C
With
Burkholderia cepacia lipase; potassium hydroxide; propionic acid;
In
diethyl ether; ethanol;
4: Claisen-Johnson rearrangement;
DOI:10.1055/s-2005-861856
- Guidance literature:
-
Multi-step reaction with 6 steps
1: Red-Al / tetrahydrofuran; toluene / 20 °C
2: MnO2 / CH2Cl2 / 24 h / 20 °C
3: 27.6 g / diethyl ether / 2 h
4: 42 percent / Burkholderia cepacia lipase / diethyl ether; various solvent(s)
5: 93 percent / aq. KOH / ethanol / 4 h / Heating
6: propionic acid / 150 °C
With
Burkholderia cepacia lipase; manganese(IV) oxide; potassium hydroxide; propionic acid; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; toluene;
6: Claisen-Johnson rearrangement;
DOI:10.1055/s-2005-861856
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: NaH / toluene / 1 h / Heating
1.2: 41.5 percent / tetrahydrofuran / 14 h / Heating
2.1: Red-Al / tetrahydrofuran; toluene / 20 °C
3.1: MnO2 / CH2Cl2 / 24 h / 20 °C
4.1: 27.6 g / diethyl ether / 2 h
5.1: 42 percent / Burkholderia cepacia lipase / diethyl ether; various solvent(s)
6.1: 93 percent / aq. KOH / ethanol / 4 h / Heating
7.1: propionic acid / 150 °C
With
Burkholderia cepacia lipase; manganese(IV) oxide; potassium hydroxide; sodium hydride; propionic acid; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; toluene;
1.2: Horner-Emmons olefination / 7.1: Claisen-Johnson rearrangement;
DOI:10.1055/s-2005-861856