Technology Process of Methanesulfonic acid (E)-(S)-8-benzyloxy-1-((2S,5S,2'S)-5'-oxo-octahydro-[2,2']bifuranyl-5-yl)-oct-4-enyl ester
There total 11 articles about Methanesulfonic acid (E)-(S)-8-benzyloxy-1-((2S,5S,2'S)-5'-oxo-octahydro-[2,2']bifuranyl-5-yl)-oct-4-enyl ester 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
1.1: 60 percent / diethyl ether; tetrahydrofuran / 1 h / -78 °C
2.1: L-(+)-diethyl tartrate; Ti(O-iPr)4; tert-BuOOH / CH2Cl2; hexane / 48 h / -20 °C
3.1: n-BuLi; iPr2NH / tetrahydrofuran; hexane / 0.42 h
3.2: tetrahydrofuran; hexane / 3 h / Heating
3.3: PTSA*H2O / benzene / 1 h / Heating
4.1: diisopropyl azodicarboxylate; PPh3 / tetrahydrofuran / 12 h / 20 °C
5.1: aqueous NaOH / methanol / 2 h / 60 °C
6.1: PTSA*H2O / CH2Cl2 / 1 h / 20 °C
7.1: TFAA; Re2O7; 2,6-lutidine / CH2Cl2 / 6 h / 0 - 20 °C
8.1: triethylamine
With
2,6-dimethylpyridine; titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium hydroxide; n-butyllithium; diethyl (2R,3R)-tartrate; di-isopropyl azodicarboxylate; toluene-4-sulfonic acid; rhenium(VII) oxide; triethylamine; diisopropylamine; triphenylphosphine; trifluoroacetic anhydride;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane;
2.1: Sharpless asymmetric epoxidation / 4.1: Mitsunobu reaction;
DOI:10.1021/jo050697c
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 91 percent / DMSO; oxalyl chloride; Et3N / CH2Cl2 / 1.5 h / -78 - 0 °C
2.1: 60 percent / diethyl ether; tetrahydrofuran / 1 h / -78 °C
3.1: L-(+)-diethyl tartrate; Ti(O-iPr)4; tert-BuOOH / CH2Cl2; hexane / 48 h / -20 °C
4.1: n-BuLi; iPr2NH / tetrahydrofuran; hexane / 0.42 h
4.2: tetrahydrofuran; hexane / 3 h / Heating
4.3: PTSA*H2O / benzene / 1 h / Heating
5.1: diisopropyl azodicarboxylate; PPh3 / tetrahydrofuran / 12 h / 20 °C
6.1: aqueous NaOH / methanol / 2 h / 60 °C
7.1: PTSA*H2O / CH2Cl2 / 1 h / 20 °C
8.1: TFAA; Re2O7; 2,6-lutidine / CH2Cl2 / 6 h / 0 - 20 °C
9.1: triethylamine
With
2,6-dimethylpyridine; titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium hydroxide; n-butyllithium; oxalyl dichloride; diethyl (2R,3R)-tartrate; di-isopropyl azodicarboxylate; toluene-4-sulfonic acid; rhenium(VII) oxide; dimethyl sulfoxide; triethylamine; diisopropylamine; triphenylphosphine; trifluoroacetic anhydride;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane;
1.1: Swern oxidation / 3.1: Sharpless asymmetric epoxidation / 5.1: Mitsunobu reaction;
DOI:10.1021/jo050697c
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: L-(+)-diethyl tartrate; Ti(O-iPr)4; tert-BuOOH / CH2Cl2; hexane / 48 h / -20 °C
2.1: n-BuLi; iPr2NH / tetrahydrofuran; hexane / 0.42 h
2.2: tetrahydrofuran; hexane / 3 h / Heating
2.3: PTSA*H2O / benzene / 1 h / Heating
3.1: diisopropyl azodicarboxylate; PPh3 / tetrahydrofuran / 12 h / 20 °C
4.1: aqueous NaOH / methanol / 2 h / 60 °C
5.1: PTSA*H2O / CH2Cl2 / 1 h / 20 °C
6.1: TFAA; Re2O7; 2,6-lutidine / CH2Cl2 / 6 h / 0 - 20 °C
7.1: triethylamine
With
2,6-dimethylpyridine; titanium(IV) isopropylate; tert.-butylhydroperoxide; sodium hydroxide; n-butyllithium; diethyl (2R,3R)-tartrate; di-isopropyl azodicarboxylate; toluene-4-sulfonic acid; rhenium(VII) oxide; triethylamine; diisopropylamine; triphenylphosphine; trifluoroacetic anhydride;
In
tetrahydrofuran; methanol; hexane; dichloromethane;
1.1: Sharpless asymmetric epoxidation / 3.1: Mitsunobu reaction;
DOI:10.1021/jo050697c