Technology Process of (1S,2S)-2-(2-Methoxycarbonyl-ethyl)-1-methyl-cyclohex-3-enecarboxylic acid methyl ester
There total 10 articles about (1S,2S)-2-(2-Methoxycarbonyl-ethyl)-1-methyl-cyclohex-3-enecarboxylic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: NaClO2; H2O2 / acetonitrile; H2O / 0 - 20 °C
1.2: 95 percent / diethyl ether / 0 - 20 °C
2.1: PDC; tert-butyl hydroperoxide / CH2Cl2 / 10 - 20 °C
2.2: NaBH4; CeCl3*7H2O / methanol / 0 - 20 °C
3.1: LiOH / tetrahydrofuran; H2O / 20 °C
3.2: BF3*OEt2 / CH2Cl2 / 0 °C
4.1: NaOMe / methanol / Heating
4.2: DIAD; PPh3; BzOH / tetrahydrofuran / 0 - 20 °C
4.3: aq. NaOH / 20 °C
5.1: 93 percent / propionic acid / 137 °C
6.1: aq. HCl / tetrahydrofuran / 20 °C
6.2: BF3*OEt2 / CH2Cl2 / 0 - 20 °C
7.1: 96 percent / nBu3SnH; AIBN / 130 °C
With
hydrogenchloride; tert.-butylhydroperoxide; lithium hydroxide; sodium chlorite; dipyridinium dichromate; 2,2'-azobis(isobutyronitrile); dihydrogen peroxide; tri-n-butyl-tin hydride; sodium methylate; propionic acid;
In
tetrahydrofuran; methanol; dichloromethane; water; acetonitrile;
5.1: Johnson's orthoester Claisen rearrangement;
DOI:10.1016/j.tetlet.2006.01.038
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: PDC; tert-butyl hydroperoxide / CH2Cl2 / 10 - 20 °C
1.2: NaBH4; CeCl3*7H2O / methanol / 0 - 20 °C
2.1: LiOH / tetrahydrofuran; H2O / 20 °C
2.2: BF3*OEt2 / CH2Cl2 / 0 °C
3.1: NaOMe / methanol / Heating
3.2: DIAD; PPh3; BzOH / tetrahydrofuran / 0 - 20 °C
3.3: aq. NaOH / 20 °C
4.1: 93 percent / propionic acid / 137 °C
5.1: aq. HCl / tetrahydrofuran / 20 °C
5.2: BF3*OEt2 / CH2Cl2 / 0 - 20 °C
6.1: 96 percent / nBu3SnH; AIBN / 130 °C
With
hydrogenchloride; tert.-butylhydroperoxide; lithium hydroxide; dipyridinium dichromate; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; sodium methylate; propionic acid;
In
tetrahydrofuran; methanol; dichloromethane; water;
4.1: Johnson's orthoester Claisen rearrangement;
DOI:10.1016/j.tetlet.2006.01.038
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: NaOMe / methanol / Heating
1.2: DIAD; PPh3; BzOH / tetrahydrofuran / 0 - 20 °C
1.3: aq. NaOH / 20 °C
2.1: 93 percent / propionic acid / 137 °C
3.1: aq. HCl / tetrahydrofuran / 20 °C
3.2: BF3*OEt2 / CH2Cl2 / 0 - 20 °C
4.1: 96 percent / nBu3SnH; AIBN / 130 °C
With
hydrogenchloride; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; sodium methylate; propionic acid;
In
tetrahydrofuran; methanol;
2.1: Johnson's orthoester Claisen rearrangement;
DOI:10.1016/j.tetlet.2006.01.038