Technology Process of (2S,3S)-dibenzyl 2-benzyl-2-hydroxy-3-(4-methylphenylsulfonamido)succinate
There total 4 articles about (2S,3S)-dibenzyl 2-benzyl-2-hydroxy-3-(4-methylphenylsulfonamido)succinate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium osmate(VI) dihydrate; water; 1,4-bis(9-O-dihydroquinidine)phthalazine;
In
acetonitrile;
at 20 ℃;
for 48.5h;
optical yield given as %ee;
enantioselective reaction;
DOI:10.1016/j.tetasy.2012.01.004
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: N,N,N,N,N,N-hexamethylphosphoric triamide; lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere
1.2: 1 h / -78 °C / Inert atmosphere
1.3: 20 °C / Inert atmosphere
2.1: phthalimide; di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / 20 °C
3.1: potassium osmate(VI) dihydrate; water; 1,4-bis(9-O-dihydroquinidine)phthalazine / acetonitrile / 48.5 h / 20 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; potassium osmate(VI) dihydrate; phthalimide; di-isopropyl azodicarboxylate; water; 1,4-bis(9-O-dihydroquinidine)phthalazine; triphenylphosphine; lithium hexamethyldisilazane;
In
tetrahydrofuran; acetonitrile;
2.1: Mitsunobu dehydration / 3.1: Sharpless asymmetric aminohydroxylation;
DOI:10.1016/j.tetasy.2012.01.004
- Guidance literature:
-
Multi-step reaction with 2 steps
1: phthalimide; di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / 20 °C
2: potassium osmate(VI) dihydrate; water; 1,4-bis(9-O-dihydroquinidine)phthalazine / acetonitrile / 48.5 h / 20 °C
With
potassium osmate(VI) dihydrate; phthalimide; di-isopropyl azodicarboxylate; water; 1,4-bis(9-O-dihydroquinidine)phthalazine; triphenylphosphine;
In
tetrahydrofuran; acetonitrile;
1: Mitsunobu dehydration / 2: Sharpless asymmetric aminohydroxylation;
DOI:10.1016/j.tetasy.2012.01.004