Technology Process of (2R,3S)-2-((2S,3S)-2,3-Bis-triethylsilanyloxy-icosyl)-3-phenylsulfanylmethyl-oxirane
There total 11 articles about (2R,3S)-2-((2S,3S)-2,3-Bis-triethylsilanyloxy-icosyl)-3-phenylsulfanylmethyl-oxirane which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
tributylphosphine; triethylamine;
at 0 - 20 ℃;
for 6h;
DOI:10.1021/jo052073c
- Guidance literature:
-
Multi-step reaction with 9 steps
1: NaH; TBAI / tetrahydrofuran / 18 h / 60 °C
2: 92 percent / AD-mix-α; methanesulfonamide; water / K2OsO4*2H2O / 2-methyl-propan-2-ol / 20 h / 0 °C
3: 100 percent / triethylamine; DMAP / tetrahydrofuran / 3 h / 20 °C
4: 78 percent / DDQ; phosphate buffer / CH2Cl2 / 1.5 h / 0 °C / pH 7
5: 96 percent / bisacetoxyiodobenzene; TEMPO / CH2Cl2 / 2 h / 20 °C
6: 91 percent / tetrahydrofuran / 16 h / Heating
7: 89 percent / DIBAL-H / diethyl ether; toluene / 0.5 h / 0 °C
8: 73 percent / D-(-)-DET; Ti(OiPr)4; t-BuOOH / CH2Cl2; toluene / 2.75 h / -30 - -20 °C
9: 94 percent / tributylphosphine; triethylamine / 6 h / 0 - 20 °C
With
titanium(IV) isopropylate; tert.-butylhydroperoxide; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; AD-mix-α; phosphate buffer; diethyl (2S,3S)-tartrate; tributylphosphine; methanesulfonamide; [bis(acetoxy)iodo]benzene; water; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
potassium osmate(VI);
In
tetrahydrofuran; diethyl ether; dichloromethane; toluene; tert-butyl alcohol;
2: Sharpless asymmetric dihydroxylation / 6: Wittig olefination / 8: Sharpless asymmetric epoxidation;
DOI:10.1021/jo052073c
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 87 percent / LAH / bis-(2-methoxy-ethyl) ether / 17 h / 125 °C
2: NaH; TBAI / tetrahydrofuran / 18 h / 60 °C
3: 92 percent / AD-mix-α; methanesulfonamide; water / K2OsO4*2H2O / 2-methyl-propan-2-ol / 20 h / 0 °C
4: 100 percent / triethylamine; DMAP / tetrahydrofuran / 3 h / 20 °C
5: 78 percent / DDQ; phosphate buffer / CH2Cl2 / 1.5 h / 0 °C / pH 7
6: 96 percent / bisacetoxyiodobenzene; TEMPO / CH2Cl2 / 2 h / 20 °C
7: 91 percent / tetrahydrofuran / 16 h / Heating
8: 89 percent / DIBAL-H / diethyl ether; toluene / 0.5 h / 0 °C
9: 73 percent / D-(-)-DET; Ti(OiPr)4; t-BuOOH / CH2Cl2; toluene / 2.75 h / -30 - -20 °C
10: 94 percent / tributylphosphine; triethylamine / 6 h / 0 - 20 °C
With
titanium(IV) isopropylate; tert.-butylhydroperoxide; dmap; 2,2,6,6-tetramethyl-piperidine-N-oxyl; AD-mix-α; lithium aluminium tetrahydride; phosphate buffer; diethyl (2S,3S)-tartrate; tributylphosphine; methanesulfonamide; [bis(acetoxy)iodo]benzene; water; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
potassium osmate(VI);
In
tetrahydrofuran; diethyl ether; dichloromethane; diethylene glycol dimethyl ether; toluene; tert-butyl alcohol;
3: Sharpless asymmetric dihydroxylation / 7: Wittig olefination / 9: Sharpless asymmetric epoxidation;
DOI:10.1021/jo052073c